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mirrors�

(function(a,b){
"use strict";
var c=a.Array;
var d=a.isNaN;
var e=a.JSON.stringify;
var f=a.Map.prototype.entries;
var g=(new a.Map).entries().next;
var h=(new a.Set).values().next;
var i=a.Set.prototype.values;
var j={
UNDEFINED_TYPE:'undefined',
NULL_TYPE:'null',
BOOLEAN_TYPE:'boolean',
NUMBER_TYPE:'number',
STRING_TYPE:'string',
SYMBOL_TYPE:'symbol',
OBJECT_TYPE:'object',
FUNCTION_TYPE:'function',
REGEXP_TYPE:'regexp',
ERROR_TYPE:'error',
PROPERTY_TYPE:'property',
INTERNAL_PROPERTY_TYPE:'internalProperty',
FRAME_TYPE:'frame',
SCRIPT_TYPE:'script',
CONTEXT_TYPE:'context',
SCOPE_TYPE:'scope',
PROMISE_TYPE:'promise',
MAP_TYPE:'map',
SET_TYPE:'set',
ITERATOR_TYPE:'iterator',
GENERATOR_TYPE:'generator',
}
function MakeMirror(k){
var l;
if((k===(void 0))){
l=new UndefinedMirror();
}else if((k===null)){
l=new NullMirror();
}else if((typeof(k)==='boolean')
){
l=new BooleanMirror(k);
}else if((typeof(k)==='number')){
l=new NumberMirror(k);
}else if((typeof(k)==='string')){
l=new StringMirror(k);
}else if((typeof(k)==='symbol')){
l=new SymbolMirror(k);
}else if((%_IsArray(k))){
l=new ArrayMirror(k);
}else if((%IsDate(k))
){
l=new DateMirror(k);
}else if((%IsFunction(k))){
l=new FunctionMirror(k);
}else if(%IsRegExp(k)){
l=new RegExpMirror(k);
}else if((%IsJSError(k))
){
l=new ErrorMirror(k);
}else if((%IsScriptWrapper(k))
){
l=new ScriptMirror(k);
}else if((%_IsJSMap(k))
||(%_IsJSWeakMap(k))){
l=new MapMirror(k);
}else if((%_IsJSSet(k))
||(%_IsJSWeakSet(k))){
l=new SetMirror(k);
}else if((%IsJSMapIterator(k))
||(%IsJSSetIterator(k))
){
l=new IteratorMirror(k);
}else if(%is_promise(k)){
l=new PromiseMirror(k);
}else if((%IsJSGeneratorObject(k))
){
l=new GeneratorMirror(k);
}else{
l=new ObjectMirror(k,j.OBJECT_TYPE);
}
return l;
}
function GetUndefinedMirror(){
return MakeMirror((void 0));
}
function inherits(m,n){
var o=function(){};
o.prototype=n.prototype;
m.super_=n.prototype;
m.prototype=new o();
m.prototype.constructor=m;
}
var p=80;
var q={};
q.Data=0;
q.Accessor=1;
var r={};
r.None=0;
r.ReadOnly=1;
r.DontEnum=2;
r.DontDelete=4;
var s={Global:0,
Local:1,
With:2,
Closure:3,
Catch:4,
Block:5,
Script:6,
Eval:7,
Module:8,
};
function Mirror(t){
this.type_=t;
}
Mirror.prototype.type=function(){
return this.type_;
};
Mirror.prototype.isValue=function(){
return this instanceof ValueMirror;
};
Mirror.prototype.isUndefined=function(){
return this instanceof UndefinedMirror;
};
Mirror.prototype.isNull=function(){
return this instanceof NullMirror;
};
Mirror.prototype.isBoolean=function(){
return this instanceof BooleanMirror;
};
Mirror.prototype.isNumber=function(){
return this instanceof NumberMirror;
};
Mirror.prototype.isString=function(){
return this instanceof StringMirror;
};
Mirror.prototype.isSymbol=function(){
return this instanceof SymbolMirror;
};
Mirror.prototype.isObject=function(){
return this instanceof ObjectMirror;
};
Mirror.prototype.isFunction=function(){
return this instanceof FunctionMirror;
};
Mirror.prototype.isUnresolvedFunction=function(){
return this instanceof UnresolvedFunctionMirror;
};
Mirror.prototype.isArray=function(){
return this instanceof ArrayMirror;
};
Mirror.prototype.isDate=function(){
return this instanceof DateMirror;
};
Mirror.prototype.isRegExp=function(){
return this instanceof RegExpMirror;
};
Mirror.prototype.isError=function(){
return this instanceof ErrorMirror;
};
Mirror.prototype.isPromise=function(){
return this instanceof PromiseMirror;
};
Mirror.prototype.isGenerator=function(){
return this instanceof GeneratorMirror;
};
Mirror.prototype.isProperty=function(){
return this instanceof PropertyMirror;
};
Mirror.prototype.isInternalProperty=function(){
return this instanceof InternalPropertyMirror;
};
Mirror.prototype.isFrame=function(){
return this instanceof FrameMirror;
};
Mirror.prototype.isScript=function(){
return this instanceof ScriptMirror;
};
Mirror.prototype.isContext=function(){
return this instanceof ContextMirror;
};
Mirror.prototype.isScope=function(){
return this instanceof ScopeMirror;
};
Mirror.prototype.isMap=function(){
return this instanceof MapMirror;
};
Mirror.prototype.isSet=function(){
return this instanceof SetMirror;
};
Mirror.prototype.isIterator=function(){
return this instanceof IteratorMirror;
};
Mirror.prototype.toText=function(){
return"#<"+this.constructor.name+">";
};
function ValueMirror(t,k){
%_Call(Mirror,this,t);
this.value_=k;
}
inherits(ValueMirror,Mirror);
ValueMirror.prototype.isPrimitive=function(){
var t=this.type();
return t==='undefined'||
t==='null'||
t==='boolean'||
t==='number'||
t==='string'||
t==='symbol';
};
ValueMirror.prototype.value=function(){
return this.value_;
};
function UndefinedMirror(){
%_Call(ValueMirror,this,j.UNDEFINED_TYPE,(void 0));
}
inherits(UndefinedMirror,ValueMirror);
UndefinedMirror.prototype.toText=function(){
return'undefined';
};
function NullMirror(){
%_Call(ValueMirror,this,j.NULL_TYPE,null);
}
inherits(NullMirror,ValueMirror);
NullMirror.prototype.toText=function(){
return'null';
};
function BooleanMirror(k){
%_Call(ValueMirror,this,j.BOOLEAN_TYPE,k);
}
inherits(BooleanMirror,ValueMirror);
BooleanMirror.prototype.toText=function(){
return this.value_?'true':'false';
};
function NumberMirror(k){
%_Call(ValueMirror,this,j.NUMBER_TYPE,k);
}
inherits(NumberMirror,ValueMirror);
NumberMirror.prototype.toText=function(){
return''+this.value_;
};
function StringMirror(k){
%_Call(ValueMirror,this,j.STRING_TYPE,k);
}
inherits(StringMirror,ValueMirror);
StringMirror.prototype.length=function(){
return this.value_.length;
};
StringMirror.prototype.getTruncatedValue=function(u){
if(u!=-1&&this.length()>u){
return this.value_.substring(0,u)+
'... (length: '+this.length()+')';
}
return this.value_;
};
StringMirror.prototype.toText=function(){
return this.getTruncatedValue(p);
};
function SymbolMirror(k){
%_Call(ValueMirror,this,j.SYMBOL_TYPE,k);
}
inherits(SymbolMirror,ValueMirror);
SymbolMirror.prototype.description=function(){
return %SymbolDescription(%ValueOf(this.value_));
}
SymbolMirror.prototype.toText=function(){
return %SymbolDescriptiveString(%ValueOf(this.value_));
}
function ObjectMirror(k,t){
t=t||j.OBJECT_TYPE;
%_Call(ValueMirror,this,t,k);
}
inherits(ObjectMirror,ValueMirror);
ObjectMirror.prototype.className=function(){
return %ClassOf(this.value_);
};
ObjectMirror.prototype.constructorFunction=function(){
return MakeMirror(%DebugGetProperty(this.value_,'constructor'));
};
ObjectMirror.prototype.prototypeObject=function(){
return MakeMirror(%DebugGetProperty(this.value_,'prototype'));
};
ObjectMirror.prototype.protoObject=function(){
return MakeMirror(%DebugGetPrototype(this.value_));
};
ObjectMirror.prototype.hasNamedInterceptor=function(){
var v=%GetInterceptorInfo(this.value_);
return(v&2)!=0;
};
ObjectMirror.prototype.hasIndexedInterceptor=function(){
var v=%GetInterceptorInfo(this.value_);
return(v&1)!=0;
};
ObjectMirror.prototype.propertyNames=function(){
return %GetOwnPropertyKeys(this.value_,0);
};
ObjectMirror.prototype.properties=function(){
var w=this.propertyNames();
var x=new c(w.length);
for(var y=0;y<w.length;y++){
x[y]=this.property(w[y]);
}
return x;
};
ObjectMirror.prototype.internalProperties=function(){
return ObjectMirror.GetInternalProperties(this.value_);
}
ObjectMirror.prototype.property=function(z){
var A=%DebugGetPropertyDetails(this.value_,z);
if(A){
return new PropertyMirror(this,z,A);
}
return GetUndefinedMirror();
};
ObjectMirror.prototype.lookupProperty=function(k){
var x=this.properties();
for(var y=0;y<x.length;y++){
var B=x[y];
if(B.propertyType()==q.Data){
if(B.value_===k.value_){
return B;
}
}
}
return GetUndefinedMirror();
};
ObjectMirror.prototype.referencedBy=function(C){
var D=%DebugReferencedBy(this.value_,
Mirror.prototype,C||0);
for(var y=0;y<D.length;y++){
D[y]=MakeMirror(D[y]);
}
return D;
};
ObjectMirror.prototype.toText=function(){
var z;
var m=this.constructorFunction();
if(!m.isFunction()){
z=this.className();
}else{
z=m.name();
if(!z){
z=this.className();
}
}
return'#<'+z+'>';
};
ObjectMirror.GetInternalProperties=function(k){
var x=%DebugGetInternalProperties(k);
var D=[];
for(var y=0;y<x.length;y+=2){
D.push(new InternalPropertyMirror(x[y],x[y+1]));
}
return D;
}
function FunctionMirror(k){
%_Call(ObjectMirror,this,k,j.FUNCTION_TYPE);
this.resolved_=true;
}
inherits(FunctionMirror,ObjectMirror);
FunctionMirror.prototype.resolved=function(){
return this.resolved_;
};
FunctionMirror.prototype.name=function(){
return %FunctionGetName(this.value_);
};
FunctionMirror.prototype.debugName=function(){
return %FunctionGetDebugName(this.value_);
}
FunctionMirror.prototype.inferredName=function(){
return %FunctionGetInferredName(this.value_);
};
FunctionMirror.prototype.source=function(){
if(this.resolved()){
return %FunctionToString(this.value_);
}
};
FunctionMirror.prototype.script=function(){
if(this.resolved()){
if(this.script_){
return this.script_;
}
var E=%FunctionGetScript(this.value_);
if(E){
return this.script_=MakeMirror(E);
}
}
};
FunctionMirror.prototype.sourcePosition_=function(){
if(this.resolved()){
return %FunctionGetScriptSourcePosition(this.value_);
}
};
FunctionMirror.prototype.sourceLocation=function(){
if(this.resolved()){
var E=this.script();
if(E){
return E.locationFromPosition(this.sourcePosition_(),true);
}
}
};
FunctionMirror.prototype.constructedBy=function(F){
if(this.resolved()){
var D=%DebugConstructedBy(this.value_,F||0);
for(var y=0;y<D.length;y++){
D[y]=MakeMirror(D[y]);
}
return D;
}else{
return[];
}
};
FunctionMirror.prototype.scopeCount=function(){
if(this.resolved()){
if((this.scopeCount_===(void 0))){
this.scopeCount_=%GetFunctionScopeCount(this.value());
}
return this.scopeCount_;
}else{
return 0;
}
};
FunctionMirror.prototype.scope=function(G){
if(this.resolved()){
return new ScopeMirror((void 0),this,(void 0),G);
}
};
FunctionMirror.prototype.toText=function(){
return this.source();
};
FunctionMirror.prototype.context=function(){
if(this.resolved()){
if(!this._context)
this._context=new ContextMirror(%FunctionGetContextData(this.value_));
return this._context;
}
};
function UnresolvedFunctionMirror(k){
%_Call(ValueMirror,this,j.FUNCTION_TYPE,k);
this.propertyCount_=0;
this.elementCount_=0;
this.resolved_=false;
}
inherits(UnresolvedFunctionMirror,FunctionMirror);
UnresolvedFunctionMirror.prototype.className=function(){
return'Function';
};
UnresolvedFunctionMirror.prototype.constructorFunction=function(){
return GetUndefinedMirror();
};
UnresolvedFunctionMirror.prototype.prototypeObject=function(){
return GetUndefinedMirror();
};
UnresolvedFunctionMirror.prototype.protoObject=function(){
return GetUndefinedMirror();
};
UnresolvedFunctionMirror.prototype.name=function(){
return this.value_;
};
UnresolvedFunctionMirror.prototype.debugName=function(){
return this.value_;
};
UnresolvedFunctionMirror.prototype.inferredName=function(){
return(void 0);
};
UnresolvedFunctionMirror.prototype.propertyNames=function(H,I){
return[];
};
function ArrayMirror(k){
%_Call(ObjectMirror,this,k);
}
inherits(ArrayMirror,ObjectMirror);
ArrayMirror.prototype.length=function(){
return this.value_.length;
};
ArrayMirror.prototype.indexedPropertiesFromRange=function(opt_from_index,
opt_to_index){
var J=opt_from_index||0;
var K=opt_to_index||this.length()-1;
if(J>K)return new c();
var L=new c(K-J+1);
for(var y=J;y<=K;y++){
var A=%DebugGetPropertyDetails(this.value_,(%_ToString(y)));
var k;
if(A){
k=new PropertyMirror(this,y,A);
}else{
k=GetUndefinedMirror();
}
L[y-J]=k;
}
return L;
};
function DateMirror(k){
%_Call(ObjectMirror,this,k);
}
inherits(DateMirror,ObjectMirror);
DateMirror.prototype.toText=function(){
var M=e(this.value_);
return M.substring(1,M.length-1);
};
function RegExpMirror(k){
%_Call(ObjectMirror,this,k,j.REGEXP_TYPE);
}
inherits(RegExpMirror,ObjectMirror);
RegExpMirror.prototype.source=function(){
return this.value_.source;
};
RegExpMirror.prototype.global=function(){
return this.value_.global;
};
RegExpMirror.prototype.ignoreCase=function(){
return this.value_.ignoreCase;
};
RegExpMirror.prototype.multiline=function(){
return this.value_.multiline;
};
RegExpMirror.prototype.sticky=function(){
return this.value_.sticky;
};
RegExpMirror.prototype.unicode=function(){
return this.value_.unicode;
};
RegExpMirror.prototype.toText=function(){
return"/"+this.source()+"/";
};
function ErrorMirror(k){
%_Call(ObjectMirror,this,k,j.ERROR_TYPE);
}
inherits(ErrorMirror,ObjectMirror);
ErrorMirror.prototype.message=function(){
return this.value_.message;
};
ErrorMirror.prototype.toText=function(){
var N;
try{
N=%ErrorToString(this.value_);
}catch(e){
N='#<Error>';
}
return N;
};
function PromiseMirror(k){
%_Call(ObjectMirror,this,k,j.PROMISE_TYPE);
}
inherits(PromiseMirror,ObjectMirror);
function PromiseGetStatus_(k){
var O=%PromiseStatus(k);
if(O==0)return"pending";
if(O==1)return"resolved";
return"rejected";
}
function PromiseGetValue_(k){
return %PromiseResult(k);
}
PromiseMirror.prototype.status=function(){
return PromiseGetStatus_(this.value_);
};
PromiseMirror.prototype.promiseValue=function(){
return MakeMirror(PromiseGetValue_(this.value_));
};
function MapMirror(k){
%_Call(ObjectMirror,this,k,j.MAP_TYPE);
}
inherits(MapMirror,ObjectMirror);
MapMirror.prototype.entries=function(P){
var D=[];
if((%_IsJSWeakMap(this.value_))){
var Q=%GetWeakMapEntries(this.value_,P||0);
for(var y=0;y<Q.length;y+=2){
D.push({
key:Q[y],
value:Q[y+1]
});
}
return D;
}
var R=%_Call(f,this.value_);
var S;
while((!P||D.length<P)&&
!(S=R.next()).done){
D.push({
key:S.value[0],
value:S.value[1]
});
}
return D;
};
function SetMirror(k){
%_Call(ObjectMirror,this,k,j.SET_TYPE);
}
inherits(SetMirror,ObjectMirror);
function IteratorGetValues_(R,T,P){
var D=[];
var S;
while((!P||D.length<P)&&
!(S=%_Call(T,R)).done){
D.push(S.value);
}
return D;
}
SetMirror.prototype.values=function(P){
if((%_IsJSWeakSet(this.value_))){
return %GetWeakSetValues(this.value_,P||0);
}
var R=%_Call(i,this.value_);
return IteratorGetValues_(R,h,P);
};
function IteratorMirror(k){
%_Call(ObjectMirror,this,k,j.ITERATOR_TYPE);
}
inherits(IteratorMirror,ObjectMirror);
IteratorMirror.prototype.preview=function(P){
if((%IsJSMapIterator(this.value_))
){
return IteratorGetValues_(%MapIteratorClone(this.value_),
g,
P);
}else if((%IsJSSetIterator(this.value_))
){
return IteratorGetValues_(%SetIteratorClone(this.value_),
h,
P);
}
};
function GeneratorMirror(k){
%_Call(ObjectMirror,this,k,j.GENERATOR_TYPE);
}
inherits(GeneratorMirror,ObjectMirror);
function GeneratorGetStatus_(k){
var U=%GeneratorGetContinuation(k);
if(U<-1)return"running";
if(U==-1)return"closed";
return"suspended";
}
GeneratorMirror.prototype.status=function(){
return GeneratorGetStatus_(this.value_);
};
GeneratorMirror.prototype.sourcePosition_=function(){
return %GeneratorGetSourcePosition(this.value_);
};
GeneratorMirror.prototype.sourceLocation=function(){
var V=this.sourcePosition_();
if(!(V===(void 0))){
var E=this.func().script();
if(E){
return E.locationFromPosition(V,true);
}
}
};
GeneratorMirror.prototype.func=function(){
if(!this.func_){
this.func_=MakeMirror(%GeneratorGetFunction(this.value_));
}
return this.func_;
};
GeneratorMirror.prototype.receiver=function(){
if(!this.receiver_){
this.receiver_=MakeMirror(%GeneratorGetReceiver(this.value_));
}
return this.receiver_;
};
GeneratorMirror.prototype.scopeCount=function(){
return %GetGeneratorScopeCount(this.value());
};
GeneratorMirror.prototype.scope=function(G){
return new ScopeMirror((void 0),(void 0),this,G);
};
GeneratorMirror.prototype.allScopes=function(){
var W=[];
for(let y=0;y<this.scopeCount();y++){
W.push(this.scope(y));
}
return W;
};
function PropertyMirror(l,z,A){
%_Call(Mirror,this,j.PROPERTY_TYPE);
this.mirror_=l;
this.name_=z;
this.value_=A[0];
this.details_=A[1];
this.is_interceptor_=A[2];
if(A.length>3){
this.exception_=A[3];
this.getter_=A[4];
this.setter_=A[5];
}
}
inherits(PropertyMirror,Mirror);
PropertyMirror.prototype.isReadOnly=function(){
return(this.attributes()&r.ReadOnly)!=0;
};
PropertyMirror.prototype.isEnum=function(){
return(this.attributes()&r.DontEnum)==0;
};
PropertyMirror.prototype.canDelete=function(){
return(this.attributes()&r.DontDelete)==0;
};
PropertyMirror.prototype.name=function(){
return this.name_;
};
PropertyMirror.prototype.toText=function(){
if((typeof(this.name_)==='symbol'))return %SymbolDescriptiveString(this.name_);
return this.name_;
};
PropertyMirror.prototype.isIndexed=function(){
for(var y=0;y<this.name_.length;y++){
if(this.name_[y]<'0'||'9'<this.name_[y]){
return false;
}
}
return true;
};
PropertyMirror.prototype.value=function(){
return MakeMirror(this.value_,false);
};
PropertyMirror.prototype.isException=function(){
return this.exception_?true:false;
};
PropertyMirror.prototype.attributes=function(){
return %DebugPropertyAttributesFromDetails(this.details_);
};
PropertyMirror.prototype.propertyType=function(){
return %DebugPropertyKindFromDetails(this.details_);
};
PropertyMirror.prototype.hasGetter=function(){
return this.getter_?true:false;
};
PropertyMirror.prototype.hasSetter=function(){
return this.setter_?true:false;
};
PropertyMirror.prototype.getter=function(){
if(this.hasGetter()){
return MakeMirror(this.getter_);
}else{
return GetUndefinedMirror();
}
};
PropertyMirror.prototype.setter=function(){
if(this.hasSetter()){
return MakeMirror(this.setter_);
}else{
return GetUndefinedMirror();
}
};
PropertyMirror.prototype.isNative=function(){
return this.is_interceptor_||
((this.propertyType()==q.Accessor)&&
!this.hasGetter()&&!this.hasSetter());
};
function InternalPropertyMirror(z,k){
%_Call(Mirror,this,j.INTERNAL_PROPERTY_TYPE);
this.name_=z;
this.value_=k;
}
inherits(InternalPropertyMirror,Mirror);
InternalPropertyMirror.prototype.name=function(){
return this.name_;
};
InternalPropertyMirror.prototype.value=function(){
return MakeMirror(this.value_,false);
};
var X=0;
var Y=1;
var Z=2;
var aa=3;
var ab=4;
var ac=5;
var ad=6;
var ae=7;
var af=8;
var ag=9;
var ah=10;
var ai=0;
var aj=1;
var ak=2;
var al=1<<0;
var am=1<<1;
var an=7<<2;
function FrameDetails(ao,G){
this.break_id_=ao;
this.details_=%GetFrameDetails(ao,G);
}
FrameDetails.prototype.frameId=function(){
%CheckExecutionState(this.break_id_);
return this.details_[X];
};
FrameDetails.prototype.receiver=function(){
%CheckExecutionState(this.break_id_);
return this.details_[Y];
};
FrameDetails.prototype.func=function(){
%CheckExecutionState(this.break_id_);
return this.details_[Z];
};
FrameDetails.prototype.script=function(){
%CheckExecutionState(this.break_id_);
return this.details_[aa];
};
FrameDetails.prototype.isConstructCall=function(){
%CheckExecutionState(this.break_id_);
return this.details_[ae];
};
FrameDetails.prototype.isAtReturn=function(){
%CheckExecutionState(this.break_id_);
return this.details_[af];
};
FrameDetails.prototype.isDebuggerFrame=function(){
%CheckExecutionState(this.break_id_);
var ap=al;
return(this.details_[ag]&ap)==ap;
};
FrameDetails.prototype.isOptimizedFrame=function(){
%CheckExecutionState(this.break_id_);
var ap=am;
return(this.details_[ag]&ap)==ap;
};
FrameDetails.prototype.isInlinedFrame=function(){
return this.inlinedFrameIndex()>0;
};
FrameDetails.prototype.inlinedFrameIndex=function(){
%CheckExecutionState(this.break_id_);
var ap=an;
return(this.details_[ag]&ap)>>2;
};
FrameDetails.prototype.argumentCount=function(){
%CheckExecutionState(this.break_id_);
return this.details_[ab];
};
FrameDetails.prototype.argumentName=function(G){
%CheckExecutionState(this.break_id_);
if(G>=0&&G<this.argumentCount()){
return this.details_[ah+
G*ak+
ai];
}
};
FrameDetails.prototype.argumentValue=function(G){
%CheckExecutionState(this.break_id_);
if(G>=0&&G<this.argumentCount()){
return this.details_[ah+
G*ak+
aj];
}
};
FrameDetails.prototype.localCount=function(){
%CheckExecutionState(this.break_id_);
return this.details_[ac];
};
FrameDetails.prototype.sourcePosition=function(){
%CheckExecutionState(this.break_id_);
return this.details_[ad];
};
FrameDetails.prototype.localName=function(G){
%CheckExecutionState(this.break_id_);
if(G>=0&&G<this.localCount()){
var aq=ah+
this.argumentCount()*ak;
return this.details_[aq+
G*ak+
ai];
}
};
FrameDetails.prototype.localValue=function(G){
%CheckExecutionState(this.break_id_);
if(G>=0&&G<this.localCount()){
var aq=ah+
this.argumentCount()*ak;
return this.details_[aq+
G*ak+
aj];
}
};
FrameDetails.prototype.returnValue=function(){
%CheckExecutionState(this.break_id_);
var ar=
ah+
(this.argumentCount()+this.localCount())*ak;
if(this.details_[af]){
return this.details_[ar];
}
};
FrameDetails.prototype.scopeCount=function(){
if((this.scopeCount_===(void 0))){
this.scopeCount_=%GetScopeCount(this.break_id_,this.frameId());
}
return this.scopeCount_;
};
function FrameMirror(ao,G){
%_Call(Mirror,this,j.FRAME_TYPE);
this.break_id_=ao;
this.index_=G;
this.details_=new FrameDetails(ao,G);
}
inherits(FrameMirror,Mirror);
FrameMirror.prototype.details=function(){
return this.details_;
};
FrameMirror.prototype.index=function(){
return this.index_;
};
FrameMirror.prototype.func=function(){
if(this.func_){
return this.func_;
}
var ap=this.details_.func();
if((%IsFunction(ap))){
return this.func_=MakeMirror(ap);
}else{
return new UnresolvedFunctionMirror(ap);
}
};
FrameMirror.prototype.script=function(){
if(!this.script_){
this.script_=MakeMirror(this.details_.script());
}
return this.script_;
}
FrameMirror.prototype.receiver=function(){
return MakeMirror(this.details_.receiver());
};
FrameMirror.prototype.isConstructCall=function(){
return this.details_.isConstructCall();
};
FrameMirror.prototype.isAtReturn=function(){
return this.details_.isAtReturn();
};
FrameMirror.prototype.isDebuggerFrame=function(){
return this.details_.isDebuggerFrame();
};
FrameMirror.prototype.isOptimizedFrame=function(){
return this.details_.isOptimizedFrame();
};
FrameMirror.prototype.isInlinedFrame=function(){
return this.details_.isInlinedFrame();
};
FrameMirror.prototype.inlinedFrameIndex=function(){
return this.details_.inlinedFrameIndex();
};
FrameMirror.prototype.argumentCount=function(){
return this.details_.argumentCount();
};
FrameMirror.prototype.argumentName=function(G){
return this.details_.argumentName(G);
};
FrameMirror.prototype.argumentValue=function(G){
return MakeMirror(this.details_.argumentValue(G));
};
FrameMirror.prototype.localCount=function(){
return this.details_.localCount();
};
FrameMirror.prototype.localName=function(G){
return this.details_.localName(G);
};
FrameMirror.prototype.localValue=function(G){
return MakeMirror(this.details_.localValue(G));
};
FrameMirror.prototype.returnValue=function(){
return MakeMirror(this.details_.returnValue());
};
FrameMirror.prototype.sourcePosition=function(){
return this.details_.sourcePosition();
};
FrameMirror.prototype.sourceLocation=function(){
var E=this.script();
if(E){
return E.locationFromPosition(this.sourcePosition(),true);
}
};
FrameMirror.prototype.sourceLine=function(){
var as=this.sourceLocation();
if(as){
return as.line;
}
};
FrameMirror.prototype.sourceColumn=function(){
var as=this.sourceLocation();
if(as){
return as.column;
}
};
FrameMirror.prototype.sourceLineText=function(){
var as=this.sourceLocation();
if(as){
return as.sourceText;
}
};
FrameMirror.prototype.scopeCount=function(){
return this.details_.scopeCount();
};
FrameMirror.prototype.scope=function(G){
return new ScopeMirror(this,(void 0),(void 0),G);
};
FrameMirror.prototype.allScopes=function(at){
var au=%GetAllScopesDetails(this.break_id_,
this.details_.frameId(),
this.details_.inlinedFrameIndex(),
!!at);
var D=[];
for(var y=0;y<au.length;++y){
D.push(new ScopeMirror(this,(void 0),(void 0),y,
au[y]));
}
return D;
};
FrameMirror.prototype.evaluate=function(source,throw_on_side_effect=false){
return MakeMirror(%DebugEvaluate(this.break_id_,
this.details_.frameId(),
this.details_.inlinedFrameIndex(),
source,
throw_on_side_effect));
};
FrameMirror.prototype.invocationText=function(){
var D='';
var av=this.func();
var aw=this.receiver();
if(this.isConstructCall()){
D+='new ';
D+=av.name()?av.name():'[anonymous]';
}else if(this.isDebuggerFrame()){
D+='[debugger]';
}else{
var ax=
!aw.className||(aw.className()!='global');
if(ax){
D+=aw.toText();
}
var B=GetUndefinedMirror();
if(aw.isObject()){
for(var ay=aw;
!ay.isNull()&&B.isUndefined();
ay=ay.protoObject()){
B=ay.lookupProperty(av);
}
}
if(!B.isUndefined()){
if(!B.isIndexed()){
if(ax){
D+='.';
}
D+=B.toText();
}else{
D+='[';
D+=B.toText();
D+=']';
}
if(av.name()&&av.name()!=B.name()){
D+='(aka '+av.name()+')';
}
}else{
if(ax){
D+='.';
}
D+=av.name()?av.name():'[anonymous]';
}
}
if(!this.isDebuggerFrame()){
D+='(';
for(var y=0;y<this.argumentCount();y++){
if(y!=0)D+=', ';
if(this.argumentName(y)){
D+=this.argumentName(y);
D+='=';
}
D+=this.argumentValue(y).toText();
}
D+=')';
}
if(this.isAtReturn()){
D+=' returning ';
D+=this.returnValue().toText();
}
return D;
};
FrameMirror.prototype.sourceAndPositionText=function(){
var D='';
var av=this.func();
if(av.resolved()){
var E=av.script();
if(E){
if(E.name()){
D+=E.name();
}else{
D+='[unnamed]';
}
if(!this.isDebuggerFrame()){
var as=this.sourceLocation();
D+=' line ';
D+=!(as===(void 0))?(as.line+1):'?';
D+=' column ';
D+=!(as===(void 0))?(as.column+1):'?';
if(!(this.sourcePosition()===(void 0))){
D+=' (position '+(this.sourcePosition()+1)+')';
}
}
}else{
D+='[no source]';
}
}else{
D+='[unresolved]';
}
return D;
};
FrameMirror.prototype.localsText=function(){
var D='';
var az=this.localCount();
if(az>0){
for(var y=0;y<az;++y){
D+='      var ';
D+=this.localName(y);
D+=' = ';
D+=this.localValue(y).toText();
if(y<az-1)D+='\n';
}
}
return D;
};
FrameMirror.prototype.restart=function(){
var D=%LiveEditRestartFrame(this.break_id_,this.index_);
if((D===(void 0))){
D="Failed to find requested frame";
}
return D;
};
FrameMirror.prototype.toText=function(aA){
var D='';
D+='#'+(this.index()<=9?'0':'')+this.index();
D+=' ';
D+=this.invocationText();
D+=' ';
D+=this.sourceAndPositionText();
if(aA){
D+='\n';
D+=this.localsText();
}
return D;
};
var aB=0;
var aC=1;
var aD=2;
var aE=3;
var aF=4;
var aG=5;
function ScopeDetails(aH,aI,aJ,G,aK){
if(aH){
this.break_id_=aH.break_id_;
this.details_=aK||
%GetScopeDetails(aH.break_id_,
aH.details_.frameId(),
aH.details_.inlinedFrameIndex(),
G);
this.frame_id_=aH.details_.frameId();
this.inlined_frame_id_=aH.details_.inlinedFrameIndex();
}else if(aI){
this.details_=aK||%GetFunctionScopeDetails(aI.value(),G);
this.fun_value_=aI.value();
this.break_id_=(void 0);
}else{
this.details_=
aK||%GetGeneratorScopeDetails(aJ.value(),G);
this.gen_value_=aJ.value();
this.break_id_=(void 0);
}
this.index_=G;
}
ScopeDetails.prototype.type=function(){
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
}
return this.details_[aB];
};
ScopeDetails.prototype.object=function(){
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
}
return this.details_[aC];
};
ScopeDetails.prototype.name=function(){
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
}
return this.details_[aD];
};
ScopeDetails.prototype.startPosition=function(){
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
}
return this.details_[aE];
}
ScopeDetails.prototype.endPosition=function(){
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
}
return this.details_[aF];
}
ScopeDetails.prototype.func=function(){
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
}
return this.details_[aG];
}
ScopeDetails.prototype.setVariableValueImpl=function(z,aL){
var aM;
if(!(this.break_id_===(void 0))){
%CheckExecutionState(this.break_id_);
aM=%SetScopeVariableValue(this.break_id_,this.frame_id_,
this.inlined_frame_id_,this.index_,z,aL);
}else if(!(this.fun_value_===(void 0))){
aM=%SetScopeVariableValue(this.fun_value_,null,null,this.index_,
z,aL);
}else{
aM=%SetScopeVariableValue(this.gen_value_,null,null,this.index_,
z,aL);
}
if(!aM)throw %make_error(2,"Failed to set variable value");
};
function ScopeMirror(aH,aI,aJ,G,aK){
%_Call(Mirror,this,j.SCOPE_TYPE);
if(aH){
this.frame_index_=aH.index_;
}else{
this.frame_index_=(void 0);
}
this.scope_index_=G;
this.details_=new ScopeDetails(aH,aI,aJ,G,aK);
}
inherits(ScopeMirror,Mirror);
ScopeMirror.prototype.details=function(){
return this.details_;
};
ScopeMirror.prototype.frameIndex=function(){
return this.frame_index_;
};
ScopeMirror.prototype.scopeIndex=function(){
return this.scope_index_;
};
ScopeMirror.prototype.scopeType=function(){
return this.details_.type();
};
ScopeMirror.prototype.scopeObject=function(){
return MakeMirror(this.details_.object());
};
ScopeMirror.prototype.setVariableValue=function(z,aL){
this.details_.setVariableValueImpl(z,aL);
};
function ScriptMirror(E){
%_Call(Mirror,this,j.SCRIPT_TYPE);
this.script_=E;
this.context_=new ContextMirror(E.context_data);
}
inherits(ScriptMirror,Mirror);
ScriptMirror.prototype.value=function(){
return this.script_;
};
ScriptMirror.prototype.name=function(){
return this.script_.name||this.script_.nameOrSourceURL();
};
ScriptMirror.prototype.id=function(){
return this.script_.id;
};
ScriptMirror.prototype.source=function(){
return this.script_.source;
};
ScriptMirror.prototype.setSource=function(aN){
if(!(typeof(aN)==='string'))throw %make_error(2,"Source is not a string");
%DebugSetScriptSource(this.script_,aN);
};
ScriptMirror.prototype.lineOffset=function(){
return this.script_.line_offset;
};
ScriptMirror.prototype.columnOffset=function(){
return this.script_.column_offset;
};
ScriptMirror.prototype.data=function(){
return this.script_.data;
};
ScriptMirror.prototype.scriptType=function(){
return this.script_.type;
};
ScriptMirror.prototype.compilationType=function(){
return this.script_.compilation_type;
};
ScriptMirror.prototype.lineCount=function(){
return %ScriptLineCount(this.script_);
};
ScriptMirror.prototype.locationFromPosition=function(
position,include_resource_offset){
return this.script_.locationFromPosition(position,include_resource_offset);
};
ScriptMirror.prototype.context=function(){
return this.context_;
};
ScriptMirror.prototype.evalFromScript=function(){
return MakeMirror(this.script_.eval_from_script);
};
ScriptMirror.prototype.evalFromFunctionName=function(){
return MakeMirror(this.script_.eval_from_function_name);
};
ScriptMirror.prototype.evalFromLocation=function(){
var aO=this.evalFromScript();
if(!aO.isUndefined()){
var aP=this.script_.eval_from_script_position;
return aO.locationFromPosition(aP,true);
}
};
ScriptMirror.prototype.toText=function(){
var D='';
D+=this.name();
D+=' (lines: ';
if(this.lineOffset()>0){
D+=this.lineOffset();
D+='-';
D+=this.lineOffset()+this.lineCount()-1;
}else{
D+=this.lineCount();
}
D+=')';
return D;
};
function ContextMirror(aQ){
%_Call(Mirror,this,j.CONTEXT_TYPE);
this.data_=aQ;
}
inherits(ContextMirror,Mirror);
ContextMirror.prototype.data=function(){
return this.data_;
};
b.InstallConstants(a,[
"MakeMirror",MakeMirror,
"ScopeType",s,
"PropertyType",q,
"PropertyAttribute",r,
"Mirror",Mirror,
"ValueMirror",ValueMirror,
"UndefinedMirror",UndefinedMirror,
"NullMirror",NullMirror,
"BooleanMirror",BooleanMirror,
"NumberMirror",NumberMirror,
"StringMirror",StringMirror,
"SymbolMirror",SymbolMirror,
"ObjectMirror",ObjectMirror,
"FunctionMirror",FunctionMirror,
"UnresolvedFunctionMirror",UnresolvedFunctionMirror,
"ArrayMirror",ArrayMirror,
"DateMirror",DateMirror,
"RegExpMirror",RegExpMirror,
"ErrorMirror",ErrorMirror,
"PromiseMirror",PromiseMirror,
"MapMirror",MapMirror,
"SetMirror",SetMirror,
"IteratorMirror",IteratorMirror,
"GeneratorMirror",GeneratorMirror,
"PropertyMirror",PropertyMirror,
"InternalPropertyMirror",InternalPropertyMirror,
"FrameMirror",FrameMirror,
"ScriptMirror",ScriptMirror,
"ScopeMirror",ScopeMirror,
"FrameDetails",FrameDetails,
]);
})

debug�U
(function(a,b){
"use strict";
var c=a.FrameMirror;
var d=a.Array;
var e=a.RegExp;
var f=a.isNaN;
var g=a.MakeMirror;
var h=a.Math.min;
var i=a.Mirror;
var j=a.ValueMirror;
var k={};
k.DebugEvent={Break:1,
Exception:2,
AfterCompile:3,
CompileError:4,
AsyncTaskEvent:5};
k.ExceptionBreak={Caught:0,
Uncaught:1};
k.StepAction={StepOut:0,
StepNext:1,
StepIn:2};
k.ScriptType={Native:0,
Extension:1,
Normal:2,
Wasm:3};
k.ScriptCompilationType={Host:0,
Eval:1,
JSON:2};
function ScriptTypeFlag(l){
return(1<<l);
}
var m={
breakOnCaughtException:{
getValue:function(){return k.isBreakOnException();},
setValue:function(n){
if(n){
k.setBreakOnException();
}else{
k.clearBreakOnException();
}
}
},
breakOnUncaughtException:{
getValue:function(){return k.isBreakOnUncaughtException();},
setValue:function(n){
if(n){
k.setBreakOnUncaughtException();
}else{
k.clearBreakOnUncaughtException();
}
}
},
};
k.findScript=function(o){
if((%IsFunction(o))){
return %FunctionGetScript(o);
}else if(%IsRegExp(o)){
var p=this.scripts();
var q=null;
var r=0;
for(var s in p){
var t=p[s];
if(o.test(t.name)){
q=t;
r++;
}
}
if(r==1){
return q;
}else{
return(void 0);
}
}else{
return %GetScript(o);
}
};
k.scriptSource=function(o){
return this.findScript(o).source;
};
k.source=function(u){
if(!(%IsFunction(u)))throw %make_type_error(47);
return %FunctionGetSourceCode(u);
};
k.sourcePosition=function(u){
if(!(%IsFunction(u)))throw %make_type_error(47);
return %FunctionGetScriptSourcePosition(u);
};
k.findFunctionSourceLocation=function(v,w,x){
var t=%FunctionGetScript(v);
var y=%FunctionGetScriptSourcePosition(v);
return %ScriptLocationFromLine(t,w,x,y);
};
k.findScriptSourcePosition=function(t,w,x){
var z=%ScriptLocationFromLine(t,w,x,0);
return z?z.position:null;
};
k.clearStepping=function(){
%ClearStepping();
};
k.setBreakOnException=function(){
return %ChangeBreakOnException(k.ExceptionBreak.Caught,true);
};
k.clearBreakOnException=function(){
return %ChangeBreakOnException(k.ExceptionBreak.Caught,false);
};
k.isBreakOnException=function(){
return!!%IsBreakOnException(k.ExceptionBreak.Caught);
};
k.setBreakOnUncaughtException=function(){
return %ChangeBreakOnException(k.ExceptionBreak.Uncaught,true);
};
k.clearBreakOnUncaughtException=function(){
return %ChangeBreakOnException(k.ExceptionBreak.Uncaught,false);
};
k.isBreakOnUncaughtException=function(){
return!!%IsBreakOnException(k.ExceptionBreak.Uncaught);
};
k.scripts=function(){
return %DebugGetLoadedScripts();
};
function scriptById(A){
var p=k.scripts();
for(var t of p){
if(t.id==A)return t;
}
return(void 0);
};
k.debuggerFlags=function(){
return m;
};
k.MakeMirror=g;
function MakeExecutionState(B){
return new ExecutionState(B);
}
function ExecutionState(B){
this.break_id=B;
this.selected_frame=0;
}
ExecutionState.prototype.prepareStep=function(C){
if(C===k.StepAction.StepIn||
C===k.StepAction.StepOut||
C===k.StepAction.StepNext){
return %PrepareStep(this.break_id,C);
}
throw %make_type_error(47);
};
ExecutionState.prototype.evaluateGlobal=function(D){
return g(%DebugEvaluateGlobal(this.break_id,D));
};
ExecutionState.prototype.frameCount=function(){
return %GetFrameCount(this.break_id);
};
ExecutionState.prototype.frame=function(E){
if(E==null)E=this.selected_frame;
if(E<0||E>=this.frameCount()){
throw %make_type_error(46);
}
return new c(this.break_id,E);
};
ExecutionState.prototype.setSelectedFrame=function(F){
var s=(%_ToNumber(F));
if(s<0||s>=this.frameCount()){
throw %make_type_error(46);
}
this.selected_frame=s;
};
ExecutionState.prototype.selectedFrame=function(){
return this.selected_frame;
};
function MakeExceptionEvent(B,G,H,I){
return new ExceptionEvent(B,G,H,I);
}
function ExceptionEvent(B,G,H,I){
this.exec_state_=new ExecutionState(B);
this.exception_=G;
this.uncaught_=H;
this.promise_=I;
}
ExceptionEvent.prototype.eventType=function(){
return k.DebugEvent.Exception;
};
ExceptionEvent.prototype.exception=function(){
return this.exception_;
};
ExceptionEvent.prototype.uncaught=function(){
return this.uncaught_;
};
ExceptionEvent.prototype.promise=function(){
return this.promise_;
};
ExceptionEvent.prototype.func=function(){
return this.exec_state_.frame(0).func();
};
ExceptionEvent.prototype.sourceLine=function(){
return this.exec_state_.frame(0).sourceLine();
};
ExceptionEvent.prototype.sourceColumn=function(){
return this.exec_state_.frame(0).sourceColumn();
};
ExceptionEvent.prototype.sourceLineText=function(){
return this.exec_state_.frame(0).sourceLineText();
};
function MakeCompileEvent(t,l){
return new CompileEvent(t,l);
}
function CompileEvent(t,l){
this.script_=g(t);
this.type_=l;
}
CompileEvent.prototype.eventType=function(){
return this.type_;
};
CompileEvent.prototype.script=function(){
return this.script_;
};
function MakeScriptObject_(t,J){
var K={id:t.id(),
name:t.name(),
lineOffset:t.lineOffset(),
columnOffset:t.columnOffset(),
lineCount:t.lineCount(),
};
if(!(t.data()===(void 0))){
K.data=t.data();
}
if(J){
K.source=t.source();
}
return K;
}
function MakeAsyncTaskEvent(l,L){
return new AsyncTaskEvent(l,L);
}
function AsyncTaskEvent(l,L){
this.type_=l;
this.id_=L;
}
AsyncTaskEvent.prototype.type=function(){
return this.type_;
}
AsyncTaskEvent.prototype.id=function(){
return this.id_;
}
b.InstallConstants(a,[
"Debug",k,
"CompileEvent",CompileEvent,
]);
b.InstallConstants(b,[
"MakeExecutionState",MakeExecutionState,
"MakeExceptionEvent",MakeExceptionEvent,
"MakeCompileEvent",MakeCompileEvent,
"MakeAsyncTaskEvent",MakeAsyncTaskEvent,
]);
})

 liveedit��
(function(a,b){
"use strict";
var c=a.Debug.findScriptSourcePosition;
var d=a.Array;
var e=a.Math.floor;
var f=a.Math.max;
var g=a.SyntaxError;
var h;
function ApplyPatchMultiChunk(script,diff_array,new_source,preview_only,
change_log){
var i=script.source;
var j=GatherCompileInfo(i,script);
var k=BuildCodeInfoTree(j);
var l=new PosTranslator(diff_array);
MarkChangedFunctions(k,l.GetChunks());
FindLiveSharedInfos(k,script);
var m;
try{
m=GatherCompileInfo(new_source,script);
}catch(e){
var n=
new Failure("Failed to compile new version of script: "+e);
if(e instanceof g){
var o={
type:"liveedit_compile_error",
syntaxErrorMessage:e.message
};
CopyErrorPositionToDetails(e,o);
n.details=o;
}
throw n;
}
var p=m.reduce(
(max,info)=>f(max,info.function_literal_id),0);
var q=BuildCodeInfoTree(m);
FindCorrespondingFunctions(k,q);
var r=new d();
var s=new d();
var t=new d();
var u=new d();
function HarvestTodo(v){
function CollectDamaged(w){
s.push(w);
for(var x=0;x<w.children.length;x++){
CollectDamaged(w.children[x]);
}
}
function CollectNew(y){
for(var x=0;x<y.length;x++){
t.push(y[x]);
CollectNew(y[x].children);
}
}
if(v.status==h.DAMAGED){
CollectDamaged(v);
return;
}
if(v.status==h.UNCHANGED){
u.push(v);
}else if(v.status==h.SOURCE_CHANGED){
u.push(v);
}else if(v.status==h.CHANGED){
r.push(v);
CollectNew(v.unmatched_new_nodes);
}
for(var x=0;x<v.children.length;x++){
HarvestTodo(v.children[x]);
}
}
var z={
change_tree:DescribeChangeTree(k),
textual_diff:{
old_len:i.length,
new_len:new_source.length,
chunks:diff_array
},
updated:false
};
if(preview_only){
return z;
}
HarvestTodo(k);
var A=new d();
var B=new d();
for(var x=0;x<r.length;x++){
var C=r[x].live_shared_function_infos;
var D=
r[x].corresponding_node.info.shared_function_info;
if(C){
for(var E=0;E<C.length;E++){
A.push(C[E]);
B.push(D);
}
}
}
var F=
CheckStackActivations(A,
B,
change_log);
z.stack_modified=F!=0;
var G;
if(s.length==0){
%LiveEditReplaceScript(script,new_source,null);
G=(void 0);
}else{
var H=CreateNameForOldScript(script);
G=%LiveEditReplaceScript(script,new_source,H);
var I=new d();
change_log.push({linked_to_old_script:I});
for(var x=0;x<s.length;x++){
LinkToOldScript(s[x],G,
I);
}
z.created_script_name=H;
}
for(var x=0;x<r.length;x++){
PatchFunctionCode(r[x],change_log);
}
var J=new d();
change_log.push({position_patched:J});
for(var x=0;x<u.length;x++){
PatchPositions(u[x],diff_array,
J);
if(u[x].live_shared_function_infos){
var K=
u[x]
.corresponding_node.info.function_literal_id;
u[x].live_shared_function_infos.forEach(function(
info){
%LiveEditFunctionSourceUpdated(
info.raw_array,K);
});
}
}
%LiveEditFixupScript(script,p);
for(var x=0;x<t.length;x++){
%LiveEditFunctionSetScript(
t[x].info.shared_function_info,script);
}
z.updated=true;
return z;
}
function GatherCompileInfo(L,M){
var N=%LiveEditGatherCompileInfo(M,L);
var O=new d();
var P=new d();
for(var x=0;x<N.length;x++){
var Q=new FunctionCompileInfo(N[x]);
%LiveEditFunctionSetScript(Q.shared_function_info,(void 0));
O.push(Q);
P.push(x);
}
for(var x=0;x<O.length;x++){
var R=x;
for(var E=x+1;E<O.length;E++){
if(O[R].start_position>O[E].start_position){
R=E;
}
}
if(R!=x){
var S=O[R];
var T=P[R];
O[R]=O[x];
P[R]=P[x];
O[x]=S;
P[x]=T;
}
}
var U=0;
function ResetIndexes(V,W){
var X=-1;
while(U<O.length&&
O[U].outer_index==W){
var Y=U;
O[Y].outer_index=V;
if(X!=-1){
O[X].next_sibling_index=Y;
}
X=Y;
U++;
ResetIndexes(Y,P[Y]);
}
if(X!=-1){
O[X].next_sibling_index=-1;
}
}
ResetIndexes(-1,-1);
Assert(U==O.length);
return O;
}
function PatchFunctionCode(v,Z){
var D=v.corresponding_node.info;
if(v.live_shared_function_infos){
v.live_shared_function_infos.forEach(function(aa){
%LiveEditReplaceFunctionCode(D.raw_array,
aa.raw_array);
for(var x=0;x<v.children.length;x++){
if(v.children[x].corresponding_node){
var ab=
v.children[x].corresponding_node.info.
shared_function_info;
if(v.children[x].live_shared_function_infos){
v.children[x].live_shared_function_infos.
forEach(function(ac){
%LiveEditReplaceRefToNestedFunction(
aa.info,
ab,
ac.info);
});
}
}
}
});
Z.push({function_patched:D.function_name});
}else{
Z.push({function_patched:D.function_name,
function_info_not_found:true});
}
}
function LinkToOldScript(ad,G,ae){
if(ad.live_shared_function_infos){
ad.live_shared_function_infos.
forEach(function(Q){
%LiveEditFunctionSetScript(Q.info,G);
});
ae.push({name:ad.info.function_name});
}else{
ae.push(
{name:ad.info.function_name,not_found:true});
}
}
function Assert(af,ag){
if(!af){
if(ag){
throw"Assert "+ag;
}else{
throw"Assert";
}
}
}
function DiffChunk(ah,ai,aj,ak){
this.pos1=ah;
this.pos2=ai;
this.len1=aj;
this.len2=ak;
}
function PosTranslator(al){
var am=new d();
var an=0;
for(var x=0;x<al.length;x+=3){
var ao=al[x];
var ap=ao+an;
var aq=al[x+1];
var ar=al[x+2];
am.push(new DiffChunk(ao,ap,aq-ao,
ar-ap));
an=ar-aq;
}
this.chunks=am;
}
PosTranslator.prototype.GetChunks=function(){
return this.chunks;
};
PosTranslator.prototype.Translate=function(as,at){
var au=this.chunks;
if(au.length==0||as<au[0].pos1){
return as;
}
var av=0;
var aw=au.length-1;
while(av<aw){
var ax=e((av+aw)/2);
if(as<au[ax+1].pos1){
aw=ax;
}else{
av=ax+1;
}
}
var ay=au[av];
if(as>=ay.pos1+ay.len1){
return as+ay.pos2+ay.len2-ay.pos1-ay.len1;
}
if(!at){
at=PosTranslator.DefaultInsideChunkHandler;
}
return at(as,ay);
};
PosTranslator.DefaultInsideChunkHandler=function(as,az){
Assert(false,"Cannot translate position in changed area");
};
PosTranslator.ShiftWithTopInsideChunkHandler=
function(as,az){
return as-az.pos1+az.pos2;
};
var h={
UNCHANGED:"unchanged",
SOURCE_CHANGED:"source changed",
CHANGED:"changed",
DAMAGED:"damaged"
};
function CodeInfoTreeNode(aA,aB,aC){
this.info=aA;
this.children=aB;
this.array_index=aC;
this.parent=(void 0);
this.status=h.UNCHANGED;
this.status_explanation=(void 0);
this.new_start_pos=(void 0);
this.new_end_pos=(void 0);
this.corresponding_node=(void 0);
this.unmatched_new_nodes=(void 0);
this.textual_corresponding_node=(void 0);
this.textually_unmatched_new_nodes=(void 0);
this.live_shared_function_infos=(void 0);
}
function BuildCodeInfoTree(aD){
var aE=0;
function BuildNode(){
var aF=aE;
aE++;
var aG=new d();
while(aE<aD.length&&
aD[aE].outer_index==aF){
aG.push(BuildNode());
}
var w=new CodeInfoTreeNode(aD[aF],aG,
aF);
for(var x=0;x<aG.length;x++){
aG[x].parent=w;
}
return w;
}
var aH=BuildNode();
Assert(aE==aD.length);
return aH;
}
function MarkChangedFunctions(aI,am){
var aJ=new function(){
var aK=0;
var aL=0;
this.current=function(){return am[aK];};
this.next=function(){
var ay=am[aK];
aL=ay.pos2+ay.len2-(ay.pos1+ay.len1);
aK++;
};
this.done=function(){return aK>=am.length;};
this.TranslatePos=function(as){return as+aL;};
};
function ProcessInternals(aM){
aM.new_start_pos=aJ.TranslatePos(
aM.info.start_position);
var aN=0;
var aO=false;
var aP=false;
while(!aJ.done()&&
aJ.current().pos1<aM.info.end_position){
if(aN<aM.children.length){
var aQ=aM.children[aN];
if(aQ.info.end_position<=aJ.current().pos1){
ProcessUnchangedChild(aQ);
aN++;
continue;
}else if(aQ.info.start_position>=
aJ.current().pos1+aJ.current().len1){
aO=true;
aJ.next();
continue;
}else if(aQ.info.start_position<=aJ.current().pos1&&
aQ.info.end_position>=aJ.current().pos1+
aJ.current().len1){
ProcessInternals(aQ);
aP=aP||
(aQ.status!=h.UNCHANGED);
aO=aO||
(aQ.status==h.DAMAGED);
aN++;
continue;
}else{
aO=true;
aQ.status=h.DAMAGED;
aQ.status_explanation=
"Text diff overlaps with function boundary";
aN++;
continue;
}
}else{
if(aJ.current().pos1+aJ.current().len1<=
aM.info.end_position){
aM.status=h.CHANGED;
aJ.next();
continue;
}else{
aM.status=h.DAMAGED;
aM.status_explanation=
"Text diff overlaps with function boundary";
return;
}
}
Assert("Unreachable",false);
}
while(aN<aM.children.length){
var aQ=aM.children[aN];
ProcessUnchangedChild(aQ);
aN++;
}
if(aO){
aM.status=h.CHANGED;
}else if(aP){
aM.status=h.SOURCE_CHANGED;
}
aM.new_end_pos=
aJ.TranslatePos(aM.info.end_position);
}
function ProcessUnchangedChild(w){
w.new_start_pos=aJ.TranslatePos(w.info.start_position);
w.new_end_pos=aJ.TranslatePos(w.info.end_position);
}
ProcessInternals(aI);
}
function FindCorrespondingFunctions(aR,aS){
function ProcessNode(v,aT){
var aU=
IsFunctionContextLocalsChanged(v.info,aT.info);
if(aU){
v.status=h.CHANGED;
}
var aV=v.children;
var aW=aT.children;
var aX=[];
var aY=[];
var aZ=0;
var ba=0;
while(aZ<aV.length){
if(aV[aZ].status==h.DAMAGED){
aZ++;
}else if(ba<aW.length){
if(aW[ba].info.start_position<
aV[aZ].new_start_pos){
aX.push(aW[ba]);
aY.push(aW[ba]);
ba++;
}else if(aW[ba].info.start_position==
aV[aZ].new_start_pos){
if(aW[ba].info.end_position==
aV[aZ].new_end_pos){
aV[aZ].corresponding_node=
aW[ba];
aV[aZ].textual_corresponding_node=
aW[ba];
if(aU){
aV[aZ].status=h.DAMAGED;
aV[aZ].status_explanation=
"Enclosing function is now incompatible. "+
aU;
aV[aZ].corresponding_node=(void 0);
}else if(aV[aZ].status!=
h.UNCHANGED){
ProcessNode(aV[aZ],
aW[ba]);
if(aV[aZ].status==h.DAMAGED){
aX.push(
aV[aZ].corresponding_node);
aV[aZ].corresponding_node=(void 0);
v.status=h.CHANGED;
}
}else{
ProcessNode(aV[aZ],aW[ba]);
}
}else{
aV[aZ].status=h.DAMAGED;
aV[aZ].status_explanation=
"No corresponding function in new script found";
v.status=h.CHANGED;
aX.push(aW[ba]);
aY.push(aW[ba]);
}
ba++;
aZ++;
}else{
aV[aZ].status=h.DAMAGED;
aV[aZ].status_explanation=
"No corresponding function in new script found";
v.status=h.CHANGED;
aZ++;
}
}else{
aV[aZ].status=h.DAMAGED;
aV[aZ].status_explanation=
"No corresponding function in new script found";
v.status=h.CHANGED;
aZ++;
}
}
while(ba<aW.length){
aX.push(aW[ba]);
aY.push(aW[ba]);
ba++;
}
if(v.status==h.CHANGED){
if(v.info.param_num!=aT.info.param_num){
v.status=h.DAMAGED;
v.status_explanation="Changed parameter number: "+
v.info.param_num+" and "+aT.info.param_num;
}
}
v.unmatched_new_nodes=aX;
v.textually_unmatched_new_nodes=
aY;
}
ProcessNode(aR,aS);
aR.corresponding_node=aS;
aR.textual_corresponding_node=aS;
Assert(aR.status!=h.DAMAGED,
"Script became damaged");
}
function FindLiveSharedInfos(aR,M){
var bb=%LiveEditFindSharedFunctionInfosForScript(M);
var bc=new d();
for(var x=0;x<bb.length;x++){
bc.push(new SharedInfoWrapper(bb[x]));
}
function FindFunctionInfos(O){
var bd=[];
for(var x=0;x<bc.length;x++){
var be=bc[x];
if(be.start_position==O.start_position&&
be.end_position==O.end_position){
bd.push(be);
}
}
if(bd.length>0){
return bd;
}
}
function TraverseTree(w){
w.live_shared_function_infos=FindFunctionInfos(w.info);
for(var x=0;x<w.children.length;x++){
TraverseTree(w.children[x]);
}
}
TraverseTree(aR);
}
function FunctionCompileInfo(bf){
this.function_name=bf[0];
this.start_position=bf[1];
this.end_position=bf[2];
this.param_num=bf[3];
this.scope_info=bf[4];
this.outer_index=bf[5];
this.shared_function_info=bf[6];
this.function_literal_id=bf[7];
this.next_sibling_index=null;
this.raw_array=bf;
}
function SharedInfoWrapper(bf){
this.function_name=bf[0];
this.start_position=bf[1];
this.end_position=bf[2];
this.info=bf[3];
this.raw_array=bf;
}
function PatchPositions(ad,al,ae){
if(ad.live_shared_function_infos){
ad.live_shared_function_infos.forEach(function(Q){
%LiveEditPatchFunctionPositions(Q.raw_array,
al);
});
ae.push({name:ad.info.function_name});
}else{
ae.push(
{name:ad.info.function_name,info_not_found:true});
}
}
function CreateNameForOldScript(M){
return M.name+" (old)";
}
function IsFunctionContextLocalsChanged(bg,bh){
var bi=bg.scope_info;
var bj=bh.scope_info;
var bk;
var bl;
if(bi){
bk=bi.toString();
}else{
bk="";
}
if(bj){
bl=bj.toString();
}else{
bl="";
}
if(bk!=bl){
return"Variable map changed: ["+bk+
"] => ["+bl+"]";
}
return;
}
var bm;
function CheckStackActivations(old_shared_wrapper_list,
new_shared_list,
Z){
var bn=new d();
for(var x=0;x<old_shared_wrapper_list.length;x++){
bn[x]=old_shared_wrapper_list[x].info;
}
var bo=%LiveEditCheckAndDropActivations(
bn,new_shared_list,true);
if(bo[old_shared_wrapper_list.length]){
throw new Failure(bo[old_shared_wrapper_list.length]);
}
var bp=new d();
var bq=new d();
for(var x=0;x<bn.length;x++){
var br=old_shared_wrapper_list[x];
if(bo[x]==bm.REPLACED_ON_ACTIVE_STACK){
bq.push({name:br.function_name});
}else if(bo[x]!=bm.AVAILABLE_FOR_PATCH){
var bs={
name:br.function_name,
start_pos:br.start_position,
end_pos:br.end_position,
replace_problem:
bm.SymbolName(bo[x])
};
bp.push(bs);
}
}
if(bq.length>0){
Z.push({dropped_from_stack:bq});
}
if(bp.length>0){
Z.push({functions_on_stack:bp});
throw new Failure("Blocked by functions on stack");
}
return bq.length;
}
var bm={
AVAILABLE_FOR_PATCH:1,
BLOCKED_ON_ACTIVE_STACK:2,
BLOCKED_ON_OTHER_STACK:3,
BLOCKED_UNDER_NATIVE_CODE:4,
REPLACED_ON_ACTIVE_STACK:5,
BLOCKED_UNDER_GENERATOR:6,
BLOCKED_ACTIVE_GENERATOR:7,
BLOCKED_NO_NEW_TARGET_ON_RESTART:8
};
bm.SymbolName=function(bt){
var bu=bm;
for(var bv in bu){
if(bu[bv]==bt){
return bv;
}
}
};
function Failure(ag){
this.message=ag;
}
Failure.prototype.toString=function(){
return"LiveEdit Failure: "+this.message;
};
function CopyErrorPositionToDetails(bw,o){
function createPositionStruct(M,bx){
if(bx==-1)return;
var by=M.locationFromPosition(bx,true);
if(by==null)return;
return{
line:by.line+1,
column:by.column+1,
position:bx
};
}
if(!("scriptObject"in bw)||!("startPosition"in bw)){
return;
}
var M=bw.scriptObject;
var bz={
start:createPositionStruct(M,bw.startPosition),
end:createPositionStruct(M,bw.endPosition)
};
o.position=bz;
}
function SetScriptSource(M,bA,bB,Z){
var i=M.source;
var bC=CompareStrings(i,bA);
return ApplyPatchMultiChunk(M,bC,bA,bB,
Z);
}
function CompareStrings(bD,bE){
return %LiveEditCompareStrings(bD,bE);
}
function ApplySingleChunkPatch(M,change_pos,change_len,new_str,
Z){
var i=M.source;
var bA=i.substring(0,change_pos)+
new_str+i.substring(change_pos+change_len);
return ApplyPatchMultiChunk(M,
[change_pos,change_pos+change_len,change_pos+new_str.length],
bA,false,Z);
}
function DescribeChangeTree(aR){
function ProcessOldNode(w){
var bF=[];
for(var x=0;x<w.children.length;x++){
var aQ=w.children[x];
if(aQ.status!=h.UNCHANGED){
bF.push(ProcessOldNode(aQ));
}
}
var bG=[];
if(w.textually_unmatched_new_nodes){
for(var x=0;x<w.textually_unmatched_new_nodes.length;x++){
var aQ=w.textually_unmatched_new_nodes[x];
bG.push(ProcessNewNode(aQ));
}
}
var bH={
name:w.info.function_name,
positions:DescribePositions(w),
status:w.status,
children:bF,
new_children:bG
};
if(w.status_explanation){
bH.status_explanation=w.status_explanation;
}
if(w.textual_corresponding_node){
bH.new_positions=DescribePositions(w.textual_corresponding_node);
}
return bH;
}
function ProcessNewNode(w){
var bF=[];
if(false){
for(var x=0;x<w.children.length;x++){
bF.push(ProcessNewNode(w.children[x]));
}
}
var bH={
name:w.info.function_name,
positions:DescribePositions(w),
children:bF,
};
return bH;
}
function DescribePositions(w){
return{
start_position:w.info.start_position,
end_position:w.info.end_position
};
}
return ProcessOldNode(aR);
}
var bI={};
bI.SetScriptSource=SetScriptSource;
bI.ApplyPatchMultiChunk=ApplyPatchMultiChunk;
bI.Failure=Failure;
bI.TestApi={
PosTranslator:PosTranslator,
CompareStrings:CompareStrings,
ApplySingleChunkPatch:ApplySingleChunkPatch
};
b.InstallConstants(b,[
"SetScriptSource",bI.SetScriptSource,
]);
a.Debug.LiveEdit=bI;
})

 prologue�&
(function(a,b,c){
"use strict";
%CheckIsBootstrapping();
var d=(void 0);
var e=%ExportFromRuntime({});
function Export(f){
f(e);
}
function Import(f){
f.next=d;
d=f;
}
function ImportNow(g){
return e[g];
}
function InstallConstants(h,i){
%CheckIsBootstrapping();
%OptimizeObjectForAddingMultipleProperties(h,i.length>>1);
var j=2|4|1;
for(var k=0;k<i.length;k+=2){
var g=i[k];
var l=i[k+1];
%AddNamedProperty(h,g,l,j);
}
%ToFastProperties(h);
}
function SetUpLockedPrototype(
constructor,fields,methods){
%CheckIsBootstrapping();
var m=constructor.prototype;
var n=(methods.length>>1)+(fields?fields.length:0);
if(n>=4){
%OptimizeObjectForAddingMultipleProperties(m,n);
}
if(fields){
for(var k=0;k<fields.length;k++){
%AddNamedProperty(m,fields[k],
(void 0),2|4);
}
}
for(var k=0;k<methods.length;k+=2){
var o=methods[k];
var f=methods[k+1];
%AddNamedProperty(m,o,f,2|4|1);
%SetNativeFlag(f);
}
%InternalSetPrototype(m,null);
%ToFastProperties(m);
}
function PostNatives(b){
%CheckIsBootstrapping();
for(;!(d===(void 0));d=d.next){
d(e);
}
e=(void 0);
b.Export=(void 0);
b.Import=(void 0);
b.ImportNow=(void 0);
b.PostNatives=(void 0);
}
var p=ImportNow("iterator_symbol");
function GetMethod(q,r){
var s=q[r];
if((s==null))return(void 0);
if((typeof(s)==='function'))return s;
throw %make_type_error(25,typeof s);
}
function GetIterator(q,t){
if((t===(void 0))){
t=q[p];
}
if(!(typeof(t)==='function')){
throw %make_type_error(89,q);
}
var u=%_Call(t,q);
if(!(%_IsJSReceiver(u))){
throw %make_type_error(82,u);
}
return u;
}
e.GetIterator=GetIterator;
e.GetMethod=GetMethod;
%OptimizeObjectForAddingMultipleProperties(b,14);
b.Import=Import;
b.ImportNow=ImportNow;
b.Export=Export;
b.InstallConstants=InstallConstants;
b.SetUpLockedPrototype=SetUpLockedPrototype;
b.PostNatives=PostNatives;
%ToFastProperties(b);
%OptimizeObjectForAddingMultipleProperties(c,11);
c.logStackTrace=function logStackTrace(){
%DebugTrace();
};
c.log=function log(){
let message='';
for(const arg of arguments){
message+=arg;
}
%GlobalPrint(message);
};
c.createPrivateSymbol=function createPrivateSymbol(g){
return %CreatePrivateSymbol(g);
};
c.uncurryThis=function uncurryThis(s){
return function(thisArg,...args){
return %reflect_apply(s,thisArg,args);
};
};
c.markPromiseAsHandled=function markPromiseAsHandled(v){
%PromiseMarkAsHandled(v);
};
c.promiseState=function promiseState(v){
return %PromiseStatus(v);
};
c.kPROMISE_PENDING=0;
c.kPROMISE_FULFILLED=1;
c.kPROMISE_REJECTED=2;
%ToFastProperties(c);
})

arrayu�
(function(a,b,c){
"use strict";
%CheckIsBootstrapping();
var d;
var e;
var f=a.Array;
var g=b.InternalArray;
var h=a.Math.max;
var i=a.Math.min;
var j=a.Object.prototype.hasOwnProperty;
var k=a.Object.prototype.toString;
var l=b.ImportNow("iterator_symbol");
var m=b.ImportNow("unscopables_symbol");
b.Import(function(n){
d=n.GetIterator;
e=n.GetMethod;
});
function ArraySpeciesCreate(o,p){
p=((p)+0)
;
var q=%ArraySpeciesConstructor(o);
return new q(p);
}
function KeySortCompare(r,s){
return r-s;
}
function GetSortedArrayKeys(o,t){
if((typeof(t)==='number')){
var u=t;
var v=new g();
for(var w=0;w<u;++w){
var x=o[w];
if(!(x===(void 0))||w in o){
v.push(w);
}
}
return v;
}
return InnerArraySort(t,t.length,KeySortCompare);
}
function SparseJoinWithSeparatorJS(o,v,p,y,z){
var A=v.length;
var B=new g(A*2);
for(var w=0;w<A;w++){
var C=v[w];
B[w*2]=C;
B[w*2+1]=ConvertToString(y,o[C]);
}
return %SparseJoinWithSeparator(B,p,z);
}
function SparseJoin(o,v,y){
var A=v.length;
var B=new g(A);
for(var w=0;w<A;w++){
B[w]=ConvertToString(y,o[v[w]]);
}
return %StringBuilderConcat(B,A,'');
}
function UseSparseVariant(o,p,D,E){
if(!D||p<1000||%HasComplexElements(o)){
return false;
}
if(!%_IsSmi(p)){
return true;
}
var F=p>>2;
var G=%EstimateNumberOfElements(o);
return(G<F)&&
(E>G*4);
}
function Stack(){
this.length=0;
this.values=new g();
}
Stack.prototype.length=null;
Stack.prototype.values=null;
function StackPush(H,I){
H.values[H.length++]=I;
}
function StackPop(H){
H.values[--H.length]=null
}
function StackHas(H,J){
var p=H.length;
var K=H.values;
for(var w=0;w<p;w++){
if(K[w]===J)return true;
}
return false;
}
var L=new Stack();
function DoJoin(o,p,D,z,y){
if(UseSparseVariant(o,p,D,p)){
%NormalizeElements(o);
var v=GetSortedArrayKeys(o,%GetArrayKeys(o,p));
if(z===''){
if(v.length===0)return'';
return SparseJoin(o,v,y);
}else{
return SparseJoinWithSeparatorJS(
o,v,p,y,z);
}
}
if(p===1){
return ConvertToString(y,o[0]);
}
var B=new g(p);
for(var w=0;w<p;w++){
B[w]=ConvertToString(y,o[w]);
}
if(z===''){
return %StringBuilderConcat(B,p,'');
}else{
return %StringBuilderJoin(B,p,z);
}
}
function Join(o,p,z,y){
if(p===0)return'';
var D=(%_IsArray(o));
if(D){
if(StackHas(L,o))return'';
StackPush(L,o);
}
try{
return DoJoin(o,p,D,z,y);
}finally{
if(D)StackPop(L);
}
}
function ConvertToString(y,M){
if((M==null))return'';
return(%_ToString(y?M.toLocaleString():M));
}
function SparseSlice(o,N,O,P,Q){
var t=%GetArrayKeys(o,N+O);
if((typeof(t)==='number')){
var u=t;
for(var w=N;w<u;++w){
var R=o[w];
if(!(R===(void 0))||w in o){
%CreateDataProperty(Q,w-N,R);
}
}
}else{
var p=t.length;
for(var S=0;S<p;++S){
var C=t[S];
if(C>=N){
var R=o[C];
if(!(R===(void 0))||C in o){
%CreateDataProperty(Q,C-N,R);
}
}
}
}
}
function SparseMove(o,N,O,P,T){
if(T===O)return;
var U=new g(
i(P-O+T,0xffffffff));
var V;
var t=%GetArrayKeys(o,P);
if((typeof(t)==='number')){
var u=t;
for(var w=0;w<N&&w<u;++w){
var R=o[w];
if(!(R===(void 0))||w in o){
U[w]=R;
}
}
for(var w=N+O;w<u;++w){
var R=o[w];
if(!(R===(void 0))||w in o){
U[w-O+T]=R;
}
}
}else{
var p=t.length;
for(var S=0;S<p;++S){
var C=t[S];
if(C<N){
var R=o[C];
if(!(R===(void 0))||C in o){
U[C]=R;
}
}else if(C>=N+O){
var R=o[C];
if(!(R===(void 0))||C in o){
var W=C-O+T;
U[W]=R;
if(W>0xfffffffe){
V=V||new g();
V.push(W);
}
}
}
}
}
%MoveArrayContents(U,o);
if(!(V===(void 0))){
var p=V.length;
for(var w=0;w<p;++w){
var C=V[w];
o[C]=U[C];
}
}
}
function SimpleSlice(o,N,O,P,Q){
for(var w=0;w<O;w++){
var X=N+w;
if(X in o){
var R=o[X];
%CreateDataProperty(Q,w,R);
}
}
}
function SimpleMove(o,N,O,P,T){
if(T!==O){
if(T>O){
for(var w=P-O;w>N;w--){
var Y=w+O-1;
var Z=w+T-1;
if(Y in o){
o[Z]=o[Y];
}else{
delete o[Z];
}
}
}else{
for(var w=N;w<P-O;w++){
var Y=w+O;
var Z=w+T;
if(Y in o){
o[Z]=o[Y];
}else{
delete o[Z];
}
}
for(var w=P;w>P-O+T;w--){
delete o[w-1];
}
}
}
}
var aa;
%DefineMethodsInternal(f.prototype,class{toString(){
var o;
var ab;
if((%_IsArray(this))){
ab=this.join;
if(ab===aa){
return Join(this,this.length,',',false);
}
o=this;
}else{
o=(%_ToObject(this));
ab=o.join;
}
if(!(typeof(ab)==='function')){
return %_Call(k,o);
}
return %_Call(ab,o);
}},-1);
function InnerArrayToLocaleString(o,p){
return Join(o,(%_ToLength(p)),',',true);
}
%DefineMethodsInternal(f.prototype,class{toLocaleString(){
var o=(%_ToObject(this));
var ac=o.length;
return InnerArrayToLocaleString(o,ac);
}},-1);
function InnerArrayJoin(z,o,p){
if((z===(void 0))){
z=',';
}else{
z=(%_ToString(z));
}
if(p===1){
var x=o[0];
if((x==null))return'';
return(%_ToString(x));
}
return Join(o,p,z,false);
}
%DefineMethodsInternal(f.prototype,class{join(z){
var o=(%_ToObject(this));
var p=(%_ToLength(o.length));
return InnerArrayJoin(z,o,p);
}},-1);
function ArrayPopFallback(){
var o=(%_ToObject(this));
var ad=(%_ToLength(o.length));
if(ad==0){
o.length=ad;
return;
}
ad--;
var I=o[ad];
delete o[ad];
o.length=ad;
return I;
}
function ArrayPushFallback(){
var o=(%_ToObject(this));
var ad=(%_ToLength(o.length));
var ae=arguments.length;
if(ae>9007199254740991-ad)throw %make_type_error(256,ae,ad);
for(var w=0;w<ae;w++){
o[w+ad]=arguments[w];
}
var af=ad+ae;
o.length=af;
return af;
}
function SparseReverse(o,P){
var v=GetSortedArrayKeys(o,%GetArrayKeys(o,P));
var ag=v.length-1;
var ah=0;
while(ah<=ag){
var w=v[ah];
var ai=v[ag];
var aj=P-ai-1;
var ak,al;
if(aj<=w){
al=ai;
while(v[--ag]==ai){}
ak=aj;
}
if(aj>=w){
ak=w;
while(v[++ah]==w){}
al=P-w-1;
}
var am=o[ak];
if(!(am===(void 0))||ak in o){
var an=o[al];
if(!(an===(void 0))||al in o){
o[ak]=an;
o[al]=am;
}else{
o[al]=am;
delete o[ak];
}
}else{
var an=o[al];
if(!(an===(void 0))||al in o){
o[ak]=an;
delete o[al];
}
}
}
}
function PackedArrayReverse(o,P){
var ai=P-1;
for(var w=0;w<ai;w++,ai--){
var am=o[w];
var an=o[ai];
o[w]=an;
o[ai]=am;
}
return o;
}
function GenericArrayReverse(o,P){
var ai=P-1;
for(var w=0;w<ai;w++,ai--){
if(w in o){
var am=o[w];
if(ai in o){
var an=o[ai];
o[w]=an;
o[ai]=am;
}else{
o[ai]=am;
delete o[w];
}
}else{
if(ai in o){
var an=o[ai];
o[w]=an;
delete o[ai];
}
}
}
return o;
}
%DefineMethodsInternal(f.prototype,class{reverse(){
var o=(%_ToObject(this));
var P=(%_ToLength(o.length));
var ao=(%_IsArray(o));
if(UseSparseVariant(o,P,ao,P)){
%NormalizeElements(o);
SparseReverse(o,P);
return o;
}else if(ao&&%_HasFastPackedElements(o)){
return PackedArrayReverse(o,P);
}else{
return GenericArrayReverse(o,P);
}
}},-1);
function ArrayShiftFallback(){
var o=(%_ToObject(this));
var P=(%_ToLength(o.length));
if(P===0){
o.length=0;
return;
}
if(%object_is_sealed(o))throw %make_type_error(15);
var ap=o[0];
if(UseSparseVariant(o,P,(%_IsArray(o)),P)){
SparseMove(o,0,1,P,0);
}else{
SimpleMove(o,0,1,P,0);
}
o.length=P-1;
return ap;
}
function ArrayUnshiftFallback(aq){
var o=(%_ToObject(this));
var P=(%_ToLength(o.length));
var ar=arguments.length;
if(P>0&&UseSparseVariant(o,P,(%_IsArray(o)),P)&&
!%object_is_sealed(o)){
SparseMove(o,0,0,P,ar);
}else{
SimpleMove(o,0,0,P,ar);
}
for(var w=0;w<ar;w++){
o[w]=arguments[w];
}
var af=P+ar;
o.length=af;
return af;
}
function ArraySliceFallback(as,at){
return null;
}
function ComputeSpliceStartIndex(N,P){
if(N<0){
N+=P;
return N<0?0:N;
}
return N>P?P:N;
}
function ComputeSpliceDeleteCount(au,ar,P,N){
var O=0;
if(ar==1)
return P-N;
O=(%_ToInteger(au));
if(O<0)
return 0;
if(O>P-N)
return P-N;
return O;
}
function ArraySpliceFallback(as,au){
var ar=arguments.length;
var o=(%_ToObject(this));
var P=(%_ToLength(o.length));
var N=ComputeSpliceStartIndex((%_ToInteger(as)),P);
var O=ComputeSpliceDeleteCount(au,ar,P,
N);
var Q=ArraySpeciesCreate(o,O);
Q.length=O;
var av=ar>2?ar-2:0;
if(O!=av&&%object_is_sealed(o)){
throw %make_type_error(15);
}else if(O>0&&%object_is_frozen(o)){
throw %make_type_error(14);
}
var aw=O;
if(av!=O){
aw+=P-N-O;
}
if(UseSparseVariant(o,P,(%_IsArray(o)),aw)){
%NormalizeElements(o);
if((%_IsArray(Q)))%NormalizeElements(Q);
SparseSlice(o,N,O,P,Q);
SparseMove(o,N,O,P,av);
}else{
SimpleSlice(o,N,O,P,Q);
SimpleMove(o,N,O,P,av);
}
var w=N;
var ax=2;
var ay=arguments.length;
while(ax<ay){
o[w++]=arguments[ax++];
}
o.length=P-O+av;
return Q;
}
function InnerArraySort(o,p,az){
if(!(typeof(az)==='function')){
az=function(M,aA){
if(M===aA)return 0;
if(%_IsSmi(M)&&%_IsSmi(aA)){
return %SmiLexicographicCompare(M,aA);
}
M=(%_ToString(M));
aA=(%_ToString(aA));
if(M==aA)return 0;
else return M<aA?-1:1;
};
}
function InsertionSort(r,n,aB){
for(var w=n+1;w<aB;w++){
var aC=r[w];
for(var ai=w-1;ai>=n;ai--){
var aD=r[ai];
var aE=az(aD,aC);
if(aE>0){
r[ai+1]=aD;
}else{
break;
}
}
r[ai+1]=aC;
}
};
function GetThirdIndex(r,n,aB){
var aF=new g();
var aG=200+((aB-n)&15);
var ai=0;
n+=1;
aB-=1;
for(var w=n;w<aB;w+=aG){
aF[ai]=[w,r[w]];
ai++;
}
aF.sort(function(r,s){
return az(r[1],s[1]);
});
var aH=aF[aF.length>>1][0];
return aH;
}
function QuickSort(r,n,aB){
var aH=0;
while(true){
if(aB-n<=10){
InsertionSort(r,n,aB);
return;
}
if(aB-n>1000){
aH=GetThirdIndex(r,n,aB);
}else{
aH=n+((aB-n)>>1);
}
var aI=r[n];
var aJ=r[aB-1];
var aK=r[aH];
var aL=az(aI,aJ);
if(aL>0){
var aD=aI;
aI=aJ;
aJ=aD;
}
var aM=az(aI,aK);
if(aM>=0){
var aD=aI;
aI=aK;
aK=aJ;
aJ=aD;
}else{
var aN=az(aJ,aK);
if(aN>0){
var aD=aJ;
aJ=aK;
aK=aD;
}
}
r[n]=aI;
r[aB-1]=aK;
var aO=aJ;
var aP=n+1;
var aQ=aB-1;
r[aH]=r[aP];
r[aP]=aO;
partition:for(var w=aP+1;w<aQ;w++){
var aC=r[w];
var aE=az(aC,aO);
if(aE<0){
r[w]=r[aP];
r[aP]=aC;
aP++;
}else if(aE>0){
do{
aQ--;
if(aQ==w)break partition;
var aR=r[aQ];
aE=az(aR,aO);
}while(aE>0);
r[w]=r[aQ];
r[aQ]=aC;
if(aE<0){
aC=r[w];
r[w]=r[aP];
r[aP]=aC;
aP++;
}
}
}
if(aB-aQ<aP-n){
QuickSort(r,aQ,aB);
aB=aP;
}else{
QuickSort(r,n,aP);
n=aQ;
}
}
};
function CopyFromPrototype(aS,p){
var aT=0;
for(var aU=%object_get_prototype_of(aS);aU;
aU=%object_get_prototype_of(aU)){
var t=(%_IsJSProxy(aU))
?p:%GetArrayKeys(aU,p);
if((typeof(t)==='number')){
var aV=t;
for(var w=0;w<aV;w++){
if(!(%_Call(j,aS,w))&&(%_Call(j,aU,w))){
aS[w]=aU[w];
if(w>=aT){aT=w+1;}
}
}
}else{
for(var w=0;w<t.length;w++){
var X=t[w];
if(!(%_Call(j,aS,X))&&(%_Call(j,aU,X))){
aS[X]=aU[X];
if(X>=aT){aT=X+1;}
}
}
}
}
return aT;
};
function ShadowPrototypeElements(aS,n,aB){
for(var aU=%object_get_prototype_of(aS);aU;
aU=%object_get_prototype_of(aU)){
var t=(%_IsJSProxy(aU))
?aB:%GetArrayKeys(aU,aB);
if((typeof(t)==='number')){
var aV=t;
for(var w=n;w<aV;w++){
if((%_Call(j,aU,w))){
aS[w]=(void 0);
}
}
}else{
for(var w=0;w<t.length;w++){
var X=t[w];
if(n<=X&&(%_Call(j,aU,X))){
aS[X]=(void 0);
}
}
}
}
};
function SafeRemoveArrayHoles(aS){
var aW=0;
var aX=p-1;
var aY=0;
while(aW<aX){
while(aW<aX&&
!(aS[aW]===(void 0))){
aW++;
}
if(!(%_Call(j,aS,aW))){
aY++;
}
while(aW<aX&&
(aS[aX]===(void 0))){
if(!(%_Call(j,aS,aX))){
aY++;
}
aX--;
}
if(aW<aX){
aS[aW]=aS[aX];
aS[aX]=(void 0);
}
}
if(!(aS[aW]===(void 0)))aW++;
var w;
for(w=aW;w<p-aY;w++){
aS[w]=(void 0);
}
for(w=p-aY;w<p;w++){
if(w in %object_get_prototype_of(aS)){
aS[w]=(void 0);
}else{
delete aS[w];
}
}
return aW;
};
if(p<2)return o;
var D=(%_IsArray(o));
var aZ;
if(!D){
aZ=CopyFromPrototype(o,p);
}
var ba=%RemoveArrayHoles(o,p);
if(ba==-1){
ba=SafeRemoveArrayHoles(o);
}
QuickSort(o,0,ba);
if(!D&&(ba+1<aZ)){
ShadowPrototypeElements(o,ba,aZ);
}
return o;
}
%DefineMethodsInternal(f.prototype,class{sort(az){
if(!(az===(void 0))&&!(typeof(az)==='function')){
throw %make_type_error(18,az);
}
var o=(%_ToObject(this));
var p=(%_ToLength(o.length));
return InnerArraySort(o,p,az);
}},-1);
%DefineMethodsInternal(f.prototype,class{lastIndexOf(aC,X){
var o=(%_ToObject(this));
var p=(%_ToLength(this.length));
if(p==0)return-1;
if(arguments.length<2){
X=p-1;
}else{
X=(((%_ToInteger(X)))+0)
;
if(X<0)X+=p;
if(X<0)return-1;
else if(X>=p)X=p-1;
}
var bb=0;
var aT=X;
if(UseSparseVariant(o,p,(%_IsArray(o)),X)){
%NormalizeElements(o);
var t=%GetArrayKeys(o,X+1);
if((typeof(t)==='number')){
aT=t;
}else{
if(t.length==0)return-1;
var bc=GetSortedArrayKeys(o,t);
var w=bc.length-1;
while(w>=0){
var C=bc[w];
if(o[C]===aC)return C;
w--;
}
return-1;
}
}
if(!(aC===(void 0))){
for(var w=aT;w>=bb;w--){
if(o[w]===aC)return w;
}
return-1;
}
for(var w=aT;w>=bb;w--){
if((o[w]===(void 0))&&w in o){
return w;
}
}
return-1;
}},1);
%DefineMethodsInternal(f.prototype,class{copyWithin(target,as,at){
var o=(%_ToObject(this));
var p=(%_ToLength(o.length));
target=(%_ToInteger(target));
var aB;
if(target<0){
aB=h(p+target,0);
}else{
aB=i(target,p);
}
as=(%_ToInteger(as));
var n;
if(as<0){
n=h(p+as,0);
}else{
n=i(as,p);
}
at=(at===(void 0))?p:(%_ToInteger(at));
var bd;
if(at<0){
bd=h(p+at,0);
}else{
bd=i(at,p);
}
var be=i(bd-n,p-aB);
var bf=1;
if(n<aB&&aB<(n+be)){
bf=-1;
n=n+be-1;
aB=aB+be-1;
}
while(be>0){
if(n in o){
o[aB]=o[n];
}else{
delete o[aB];
}
n=n+bf;
aB=aB+bf;
be--;
}
return o;
}},2);
%DefineMethodsInternal(f.prototype,class{fill(I,as,at){
var o=(%_ToObject(this));
var p=(%_ToLength(o.length));
var w=(as===(void 0))?0:(%_ToInteger(as));
var at=(at===(void 0))?p:(%_ToInteger(at));
if(w<0){
w+=p;
if(w<0)w=0;
}else{
if(w>p)w=p;
}
if(at<0){
at+=p;
if(at<0)at=0;
}else{
if(at>p)at=p;
}
if((at-w)>0&&%object_is_frozen(o)){
throw %make_type_error(14);
}
for(;w<at;w++)
o[w]=I;
return o;
}},1);
var bg={
__proto__:null,
copyWithin:true,
entries:true,
fill:true,
find:true,
findIndex:true,
includes:true,
keys:true,
};
%ToFastProperties(bg);
%AddNamedProperty(f.prototype,m,bg,
2|1);
var bh=f.prototype.indexOf;
var aa=f.prototype.join;
var bi=f.prototype.pop;
var bj=f.prototype.push;
var bk=f.prototype.slice;
var bl=f.prototype.shift;
var bm=f.prototype.sort;
var bn=f.prototype.splice;
var bo=f.prototype.toString;
var bp=f.prototype.unshift;
var bq=f.prototype.entries;
var br=f.prototype.forEach;
var bs=f.prototype.keys;
var bt=f.prototype[l];
b.SetUpLockedPrototype(g,f(),[
"indexOf",bh,
"join",aa,
"pop",bi,
"push",bj,
"shift",bl,
"sort",bm,
"splice",bn
]);
b.SetUpLockedPrototype(c.InternalPackedArray,f(),[
"push",bj,
"pop",bi,
"shift",bl,
"unshift",bp,
"splice",bn,
"slice",bk
]);
b.Export(function(aB){
aB.ArrayJoin=aa;
aB.ArrayPush=bj;
aB.ArrayToString=bo;
aB.ArrayValues=bt;
aB.InnerArrayJoin=InnerArrayJoin;
aB.InnerArraySort=InnerArraySort;
aB.InnerArrayToLocaleString=InnerArrayToLocaleString;
});
%InstallToContext([
"array_entries_iterator",bq,
"array_for_each_iterator",br,
"array_keys_iterator",bs,
"array_values_iterator",bt,
"array_pop",ArrayPopFallback,
"array_push",ArrayPushFallback,
"array_shift",ArrayShiftFallback,
"array_splice",ArraySpliceFallback,
"array_unshift",ArrayUnshiftFallback,
]);
});

(typedarray}
(function(a,b){
"use strict";
%CheckIsBootstrapping();
var c=b.ImportNow("ArrayToString");
var d;
var e;
var f;
var g;
var h;
var i=b.InternalArray;
var j=b.ImportNow("iterator_symbol");
var k=a.Uint8Array;

var l=a.Int8Array;

var m=a.Uint16Array;

var n=a.Int16Array;

var o=a.Uint32Array;

var p=a.Int32Array;

var q=a.Float32Array;

var r=a.Float64Array;

var s=a.Uint8ClampedArray;

var t=a.BigUint64Array;

var u=a.BigInt64Array;


var v=%object_get_prototype_of(k);
b.Import(function(w){
d=w.GetIterator;
e=w.GetMethod;
f=w.InnerArrayJoin;
g=w.InnerArraySort;
h=w.InnerArrayToLocaleString;
});
function ValidateTypedArray(x,y){
if(!(%_IsTypedArray(x))
)throw %make_type_error(92);
if(%_ArrayBufferViewWasNeutered(x))
throw %make_type_error(50,y);
}
function TypedArrayCreate(z,A,B,C){
if((B===(void 0))){
var D=new z(A);
}else{
var D=new z(A,B,C);
}
ValidateTypedArray(D,"TypedArrayCreate");
if((typeof(A)==='number')&&%_TypedArrayGetLength(D)<A){
throw %make_type_error(284);
}
return D;
}
%DefineMethodsInternal(v.prototype,class{sort(comparefn){
ValidateTypedArray(this,"%TypedArray%.prototype.sort");
if(!(comparefn===(void 0))&&!(typeof(comparefn)==='function')){
throw %make_type_error(18,comparefn);
}
var E=%_TypedArrayGetLength(this);
if((comparefn===(void 0))){
return %TypedArraySortFast(this);
}
return g(this,E,comparefn);
}},-1);
%DefineMethodsInternal(v.prototype,class{toLocaleString(){
ValidateTypedArray(this,"%TypedArray%.prototype.toLocaleString");
var E=%_TypedArrayGetLength(this);
return h(this,E);
}},-1);
%DefineMethodsInternal(v.prototype,class{join(separator){
ValidateTypedArray(this,"%TypedArray%.prototype.join");
var E=%_TypedArrayGetLength(this);
return f(separator,this,E);
}},-1);
function TypedArrayConstructor(){
throw %make_type_error(36,"TypedArray");
}
%SetCode(v,TypedArrayConstructor);
%AddNamedProperty(v.prototype,"toString",c,
2);
})

 messages}
(function(a,b){
"use strict";
%CheckIsBootstrapping();
var c=b.ImportNow("Script");
function ScriptLocationFromPosition(position,
include_resource_offset){
return %ScriptPositionInfo(this,position,!!include_resource_offset);
}
function ScriptNameOrSourceURL(){
if(this.source_url)return this.source_url;
return this.name;
}
b.SetUpLockedPrototype(c,[
"source",
"name",
"source_url",
"source_mapping_url",
"line_offset",
"column_offset"
],[
"locationFromPosition",ScriptLocationFromPosition,
"nameOrSourceURL",ScriptNameOrSourceURL,
]
);
});

spread5
(function(a,b){
"use strict";
var c=b.InternalArray;
function SpreadArguments(){
var d=arguments.length;
var e=new c();
for(var f=0;f<d;++f){
var g=arguments[f];
var h=g.length;
for(var i=0;i<h;++i){
e.push(g[i]);
}
}
return e;
}
function SpreadIterable(j){
if((j==null)){
throw %make_type_error(89,j);
}
var e=new c();
for(var k of j){
e.push(k);
}
return e;
}
%InstallToContext([
"spread_arguments",SpreadArguments,
"spread_iterable",SpreadIterable,
]);
})

intl��

(function(a,b){
"use strict";
%CheckIsBootstrapping();
var c;
var d;
var e=a.Date;
var f=a.Intl;
var g=f.DateTimeFormat;
var h=f.NumberFormat;
var i=f.Collator;
var j=b.ImportNow("PluralRules");
var k=f.v8BreakIterator;
var l=a.Number;
var m=a.RegExp;
var n=a.String;
var o=b.ImportNow("intl_fallback_symbol");
var p=b.InternalArray;
var q=a.Math.max;
var r=a.Object.prototype.hasOwnProperty;
var s=a.Object.keys;
var t=b.ImportNow("intl_pattern_symbol");
var u=b.ImportNow("intl_resolved_symbol");
var v=n.prototype.substr;
var w=n.prototype.substring;
b.Import(function(x){
c=x.ArrayJoin;
d=x.ArrayPush;
});
function AddBoundMethod(obj,methodName,implementation,length,typename,
compat){
%CheckIsBootstrapping();
var y=%CreatePrivateSymbol(methodName);
%DefineMethodsInternal(obj.prototype,class{get[methodName](){
var z=Unwrap(this,typename,obj,methodName,compat);
if((z[y]===(void 0))){
var A;
if((length===(void 0))||length===2){
A=
(0,((fst,snd)=>implementation(z,fst,snd)))
;
}else if(length===1){
A=(0,(fst=>implementation(z,fst)))
;
}else{
A=(0,((...args)=>{
if(args.length>0){
return implementation(z,args[0]);
}else{
return implementation(z);
}
}))
;
}
%SetNativeFlag(A);
z[y]=A;
}
return z[y];
}},-1);
}
function IntlConstruct(z,constructor,create,newTarget,args,
compat){
var B=args[0];
var C=args[1];
var D=create(B,C);
if(compat&&(newTarget===(void 0))&&z instanceof constructor){
%object_define_property(z,o,{value:D});
return z;
}
return D;
}
function Unwrap(z,E,F,G,H){
if(!%IsInitializedIntlObjectOfType(z,E)){
if(H&&z instanceof F){
let fallback=z[o];
if(%IsInitializedIntlObjectOfType(fallback,E)){
return fallback;
}
}
throw %make_type_error(61,G,z);
}
return z;
}
var I={
'collator':(void 0),
'numberformat':(void 0),
'dateformat':(void 0),
'breakiterator':(void 0),
'pluralrules':(void 0),
};
var J=(void 0);
function GetDefaultICULocaleJS(K){
if((J===(void 0))){
J=%GetDefaultICULocale();
}
return((K===(void 0))||
(%_Call(r,getAvailableLocalesOf(K),J)))
?J:"und";
}
var L=(void 0);
function GetUnicodeExtensionRE(){
if(((void 0)===(void 0))){
L=new m('-u(-[a-z0-9]{2,8})+','g');
}
return L;
}
var M=(void 0);
function GetAnyExtensionRE(){
if((M===(void 0))){
M=new m('-[a-z0-9]{1}-.*','g');
}
return M;
}
var N=(void 0);
function GetQuotedStringRE(){
if((N===(void 0))){
N=new m("'[^']+'",'g');
}
return N;
}
var O=(void 0);
function GetServiceRE(){
if((O===(void 0))){
O=
new m('^('+%_Call(c,s(I),'|')+')$');
}
return O;
}
var P=(void 0);
function GetLanguageTagRE(){
if((P===(void 0))){
BuildLanguageTagREs();
}
return P;
}
var Q=(void 0);
function GetLanguageVariantRE(){
if((Q===(void 0))){
BuildLanguageTagREs();
}
return Q;
}
var R=(void 0);
function GetLanguageSingletonRE(){
if((R===(void 0))){
BuildLanguageTagREs();
}
return R;
}
var S=(void 0);
function GetTimezoneNameCheckRE(){
if((S===(void 0))){
S=new m(
'^([A-Za-z]+)/([A-Za-z_-]+)((?:\/[A-Za-z_-]+)+)*$');
}
return S;
}
var T=(void 0);
function GetTimezoneNameLocationPartRE(){
if((T===(void 0))){
T=
new m('^([A-Za-z]+)((?:[_-][A-Za-z]+)+)*$');
}
return T;
}
function supportedLocalesOf(K,B,C){
if((%regexp_internal_match(GetServiceRE(),K)===null)){
throw %make_error(8,K);
}
if((C===(void 0))){
C={__proto__:null};
}else{
C=(%_ToObject(C));
}
var U=C.localeMatcher;
if(!(U===(void 0))){
U=(%_ToString(U));
if(U!=='lookup'&&U!=='best fit'){
throw %make_range_error(194,U);
}
}else{
U='best fit';
}
var V=initializeLocaleList(B);
var W=getAvailableLocalesOf(K);
if(U==='best fit'){
return initializeLocaleList(bestFitSupportedLocalesOf(
V,W));
}
return initializeLocaleList(lookupSupportedLocalesOf(
V,W));
}
function lookupSupportedLocalesOf(V,W){
var X=new p();
for(var Y=0;Y<V.length;++Y){
var Z=%RegExpInternalReplace(
GetUnicodeExtensionRE(),V[Y],'');
do{
if(!(W[Z]===(void 0))){
%_Call(d,X,V[Y]);
break;
}
var aa=%StringLastIndexOf(Z,'-');
if(aa===-1){
break;
}
Z=%_Call(w,Z,0,aa);
}while(true);
}
return X;
}
function bestFitSupportedLocalesOf(V,W){
return lookupSupportedLocalesOf(V,W);
}
function getGetOption(C,ab){
if((C===(void 0)))throw %make_error(4,ab);
var ac=function getOption(ad,ae,af,ag){
if(!(C[ad]===(void 0))){
var ah=C[ad];
switch(ae){
case'boolean':
ah=(!!(ah));
break;
case'string':
ah=(%_ToString(ah));
break;
case'number':
ah=(%_ToNumber(ah));
break;
default:
throw %make_error(9);
}
if(!(af===(void 0))&&%ArrayIndexOf(af,ah,0)===-1){
throw %make_range_error(204,ah,ab,ad);
}
return ah;
}
return ag;
}
return ac;
}
function resolveLocale(K,V,C){
V=initializeLocaleList(V);
var ac=getGetOption(C,K);
var U=ac('localeMatcher','string',
['lookup','best fit'],'best fit');
var ai;
if(U==='lookup'){
ai=lookupMatcher(K,V);
}else{
ai=bestFitMatcher(K,V);
}
return ai;
}
function lookupMatcher(K,V){
if((%regexp_internal_match(GetServiceRE(),K)===null)){
throw %make_error(8,K);
}
var W=getAvailableLocalesOf(K);
for(var Y=0;Y<V.length;++Y){
var Z=%RegExpInternalReplace(
GetAnyExtensionRE(),V[Y],'');
do{
if(!(W[Z]===(void 0))){
var aj=%regexp_internal_match(
GetUnicodeExtensionRE(),V[Y]);
var ak=(aj===null)?'':aj[0];
return{locale:Z,extension:ak,position:Y};
}
var aa=%StringLastIndexOf(Z,'-');
if(aa===-1){
break;
}
Z=%_Call(w,Z,0,aa);
}while(true);
}
return{
locale:GetDefaultICULocaleJS(K),
extension:'',
position:-1
};
}
function bestFitMatcher(K,V){
return lookupMatcher(K,V);
}
function parseExtension(ak){
var al=%StringSplit(ak,'-',4294967295);
if(al.length<=2||
(al[0]!==''&&al[1]!=='u')){
return{__proto__:null};
}
var am={__proto__:null};
var an=(void 0);
var ah=(void 0);
for(var Y=2;Y<al.length;++Y){
var ao=al[Y].length;
var ap=al[Y];
if(ao===2){
if(!(an===(void 0))){
if(!(an in am)){
am[an]=ah;
}
ah=(void 0);
}
an=ap;
}else if(ao>=3&&ao<=8&&!(an===(void 0))){
if((ah===(void 0))){
ah=ap;
}else{
ah=ah+"-"+ap;
}
}else{
return{__proto__:null};
}
}
if(!(an===(void 0))&&!(an in am)){
am[an]=ah;
}
return am;
}
function setOptions(aq,am,ar,ac,as){
var ak='';
var at=function updateExtension(an,ah){
return'-'+an+'-'+(%_ToString(ah));
}
var au=function updateProperty(ad,ae,ah){
if(ae==='boolean'&&(typeof ah==='string')){
ah=(ah==='true')?true:false;
}
if(!(ad===(void 0))){
defineWEProperty(as,ad,ah);
}
}
for(var an in ar){
if((%_Call(r,ar,an))){
var ah=(void 0);
var av=ar[an];
if(!(av.property===(void 0))){
ah=ac(av.property,av.type,av.values);
}
if(!(ah===(void 0))){
au(av.property,av.type,ah);
ak+=at(an,ah);
continue;
}
if((%_Call(r,am,an))){
ah=am[an];
if(!(ah===(void 0))){
au(av.property,av.type,ah);
ak+=at(an,ah);
}else if(av.type==='boolean'){
au(av.property,av.type,true);
ak+=at(an,true);
}
}
}
}
return ak===''?'':'-u'+ak;
}
function freezeArray(aw){
var ax=[];
var ay=aw.length;
for(var Y=0;Y<ay;Y++){
if(Y in aw){
%object_define_property(ax,Y,{value:aw[Y],
configurable:false,
writable:false,
enumerable:true});
}
}
%object_define_property(ax,'length',{value:ay,writable:false});
return ax;
}
function makeArray(aw){
var ax=[];
%MoveArrayContents(aw,ax);
return ax;
}
function getAvailableLocalesOf(K){
if(!(I[K]===(void 0))){
return I[K];
}
var az=%AvailableLocalesOf(K);
for(var Y in az){
if((%_Call(r,az,Y))){
var aA=%regexp_internal_match(
/^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/,Y);
if(!(aA===null)){
az[aA[1]+'-'+aA[3]]=null;
}
}
}
I[K]=az;
return az;
}
function defineWEProperty(aB,ad,ah){
%object_define_property(aB,ad,
{value:ah,writable:true,enumerable:true});
}
function addWEPropertyIfDefined(aB,ad,ah){
if(!(ah===(void 0))){
defineWEProperty(aB,ad,ah);
}
}
function defineWECProperty(aB,ad,ah){
%object_define_property(aB,ad,{value:ah,
writable:true,
enumerable:true,
configurable:true});
}
function addWECPropertyIfDefined(aB,ad,ah){
if(!(ah===(void 0))){
defineWECProperty(aB,ad,ah);
}
}
function toTitleCaseWord(aC){
return %StringToUpperCaseIntl(%_Call(v,aC,0,1))+
%StringToLowerCaseIntl(%_Call(v,aC,1));
}
function toTitleCaseTimezoneLocation(aD){
var aE=%regexp_internal_match(GetTimezoneNameLocationPartRE(),aD)
if((aE===null))throw %make_range_error(172,aD);
var aF=toTitleCaseWord(aE[1]);
if(!(aE[2]===(void 0))&&2<aE.length){
var aG=%_Call(w,aE[2],0,1);
var aA=%StringSplit(aE[2],aG,4294967295);
for(var Y=1;Y<aA.length;Y++){
var aH=aA[Y]
var aI=%StringToLowerCaseIntl(aH);
aF=aF+aG+
((aI!=='es'&&
aI!=='of'&&aI!=='au')?
toTitleCaseWord(aH):aI);
}
}
return aF;
}
function canonicalizeLanguageTag(aJ){
if((!(typeof(aJ)==='string')&&!(%_IsJSReceiver(aJ)))||
(aJ===null)){
throw %make_type_error(69);
}
if((typeof(aJ)==='string')&&
!(%regexp_internal_match(/^[a-z]{2,3}$/,aJ)===null)){
return aJ;
}
var aK=(%_ToString(aJ));
if(isStructuallyValidLanguageTag(aK)===false){
throw %make_range_error(185,aK);
}
var aL=%CanonicalizeLanguageTag(aK);
if(aL==='invalid-tag'){
throw %make_range_error(185,aK);
}
return aL;
}
function canonicalizeLocaleList(B){
var aM=new p();
if(!(B===(void 0))){
if(typeof B==='string'){
%_Call(d,aM,canonicalizeLanguageTag(B));
return aM;
}
var aN=(%_ToObject(B));
var aO=(%_ToLength(aN.length));
for(var aP=0;aP<aO;aP++){
if(aP in aN){
var ah=aN[aP];
var aL=canonicalizeLanguageTag(ah);
if(%ArrayIndexOf(aM,aL,0)===-1){
%_Call(d,aM,aL);
}
}
}
}
return aM;
}
function initializeLocaleList(B){
return freezeArray(canonicalizeLocaleList(B));
}
function isStructuallyValidLanguageTag(Z){
if((%regexp_internal_match(GetLanguageTagRE(),Z)===null)){
return false;
}
Z=%StringToLowerCaseIntl(Z);
if(%StringIndexOf(Z,'x-',0)===0){
return true;
}
Z=%StringSplit(Z,'-x-',4294967295)[0];
var aQ=new p();
var aR=new p();
var aA=%StringSplit(Z,'-',4294967295);
for(var Y=1;Y<aA.length;Y++){
var ah=aA[Y];
if(!(%regexp_internal_match(GetLanguageVariantRE(),ah)===null)&&
aR.length===0){
if(%ArrayIndexOf(aQ,ah,0)===-1){
%_Call(d,aQ,ah);
}else{
return false;
}
}
if(!(%regexp_internal_match(GetLanguageSingletonRE(),ah)===null)){
if(%ArrayIndexOf(aR,ah,0)===-1){
%_Call(d,aR,ah);
}else{
return false;
}
}
}
return true;
}
function BuildLanguageTagREs(){
var aS='[a-zA-Z]';
var aT='[0-9]';
var aU='('+aS+'|'+aT+')';
var aV='(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|'+
'zh-min|zh-min-nan|zh-xiang)';
var aW='(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|'+
'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|'+
'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)';
var aX='('+aW+'|'+aV+')';
var aY='(x(-'+aU+'{1,8})+)';
var aZ='('+aT+'|[A-WY-Za-wy-z])';
R=new m('^'+aZ+'$','i');
var ak='('+aZ+'(-'+aU+'{2,8})+)';
var ba='('+aU+'{5,8}|('+aT+aU+'{3}))';
Q=new m('^'+ba+'$','i');
var bb='('+aS+'{2}|'+aT+'{3})';
var bc='('+aS+'{4})';
var bd='('+aS+'{3}(-'+aS+'{3}){0,2})';
var be='('+aS+'{2,3}(-'+bd+')?|'+aS+'{4}|'+
aS+'{5,8})';
var bf=be+'(-'+bc+')?(-'+bb+')?(-'+
ba+')*(-'+ak+')*(-'+aY+')?';
var bg=
'^('+bf+'|'+aY+'|'+aX+')$';
P=new m(bg,'i');
}
%DefineMethodsInternal(f,class{getCanonicalLocales(B){
return makeArray(canonicalizeLocaleList(B));
}},-1);
function CreateCollator(B,C){
if((C===(void 0))){
C={__proto__:null};
}
var ac=getGetOption(C,'collator');
var bh={__proto__:null};
defineWEProperty(bh,'usage',ac(
'usage','string',['sort','search'],'sort'));
var bi=ac('sensitivity','string',
['base','accent','case','variant']);
if((bi===(void 0))&&bh.usage==='sort'){
bi='variant';
}
defineWEProperty(bh,'sensitivity',bi);
defineWEProperty(bh,'ignorePunctuation',ac(
'ignorePunctuation','boolean',(void 0),false));
var Z=resolveLocale('collator',B,C);
var am=parseExtension(Z.extension);
var bj={
'kn':{'property':'numeric','type':'boolean'},
'kf':{'property':'caseFirst','type':'string',
'values':['false','lower','upper']}
};
setOptions(
C,am,bj,ac,bh);
var bk='default';
var ak='';
if((%_Call(r,am,'co'))&&bh.usage==='sort'){
var bl=[
'big5han','dict','direct','ducet','gb2312','phonebk','phonetic',
'pinyin','reformed','searchjl','stroke','trad','unihan','zhuyin'
];
if(%ArrayIndexOf(bl,am.co,0)!==-1){
ak='-u-co-'+am.co;
bk=am.co;
}
}else if(bh.usage==='search'){
ak='-u-co-search';
}
defineWEProperty(bh,'collation',bk);
var bm=Z.locale+ak;
var ai=%object_define_properties({__proto__:null},{
caseFirst:{writable:true},
collation:{value:bh.collation,writable:true},
ignorePunctuation:{writable:true},
locale:{writable:true},
numeric:{writable:true},
requestedLocale:{value:bm,writable:true},
sensitivity:{writable:true},
strength:{writable:true},
usage:{value:bh.usage,writable:true}
});
var bn=%CreateCollator(bm,bh,ai);
%MarkAsInitializedIntlObjectOfType(bn,'collator');
bn[u]=ai;
return bn;
}
function CollatorConstructor(){
return IntlConstruct(this,i,CreateCollator,new.target,
arguments);
}
%SetCode(i,CollatorConstructor);
%DefineMethodsInternal(i.prototype,class{resolvedOptions(){
var bo=Unwrap(this,'collator',i,'resolvedOptions',
false);
return{
locale:bo[u].locale,
usage:bo[u].usage,
sensitivity:bo[u].sensitivity,
ignorePunctuation:bo[u].ignorePunctuation,
numeric:bo[u].numeric,
caseFirst:bo[u].caseFirst,
collation:bo[u].collation
};
}},-1);
%DefineMethodsInternal(i,class{supportedLocalesOf(B){
return supportedLocalesOf('collator',B,arguments[1]);
}},-1);
function compare(bn,bp,bq){
return %InternalCompare(bn,(%_ToString(bp)),(%_ToString(bq)));
};
AddBoundMethod(i,'compare',compare,2,'collator',false);
function PluralRulesConstructor(){
if((new.target===(void 0))){
throw %make_type_error(40,"PluralRules");
}
var B=arguments[0];
var C=arguments[1];
if((C===(void 0))){
C={__proto__:null};
}
var ac=getGetOption(C,'pluralrules');
var Z=resolveLocale('pluralrules',B,C);
var bh={__proto__:null};
defineWEProperty(bh,'type',ac(
'type','string',['cardinal','ordinal'],'cardinal'));
SetNumberFormatDigitOptions(bh,C,0,3);
var bm=Z.locale;
var ai=%object_define_properties({__proto__:null},{
type:{value:bh.type,writable:true},
locale:{writable:true},
maximumFractionDigits:{writable:true},
minimumFractionDigits:{writable:true},
minimumIntegerDigits:{writable:true},
requestedLocale:{value:bm,writable:true},
});
if((%_Call(r,bh,'minimumSignificantDigits'))){
defineWEProperty(ai,'minimumSignificantDigits',(void 0));
}
if((%_Call(r,bh,'maximumSignificantDigits'))){
defineWEProperty(ai,'maximumSignificantDigits',(void 0));
}
defineWEProperty(ai,'pluralCategories',[]);
var br=%CreatePluralRules(bm,bh,
ai);
%MarkAsInitializedIntlObjectOfType(br,'pluralrules');
br[u]=ai;
return br;
}
%SetCode(j,PluralRulesConstructor);
%DefineMethodsInternal(j.prototype,class{resolvedOptions(){
if(!%IsInitializedIntlObjectOfType(this,'pluralrules')){
throw %make_type_error(61,
'Intl.PluralRules.prototype.resolvedOptions',
this);
}
var aF={
locale:this[u].locale,
type:this[u].type,
minimumIntegerDigits:this[u].minimumIntegerDigits,
minimumFractionDigits:this[u].minimumFractionDigits,
maximumFractionDigits:this[u].maximumFractionDigits,
};
if((%_Call(r,this[u],'minimumSignificantDigits'))){
defineWECProperty(aF,'minimumSignificantDigits',
this[u].minimumSignificantDigits);
}
if((%_Call(r,this[u],'maximumSignificantDigits'))){
defineWECProperty(aF,'maximumSignificantDigits',
this[u].maximumSignificantDigits);
}
defineWECProperty(aF,'pluralCategories',
this[u].pluralCategories);
return aF;
}},-1);
%DefineMethodsInternal(j,class{supportedLocalesOf(B){
return supportedLocalesOf('pluralrules',B,arguments[1]);
}},-1);
%DefineMethodsInternal(j.prototype,class{select(ah){
if(!%IsInitializedIntlObjectOfType(this,'pluralrules')){
throw %make_type_error(61,
'Intl.PluralRules.prototype.select',
this);
}
return %PluralRulesSelect(this,(%_ToNumber(ah))+0);
}},-1);
function isWellFormedCurrencyCode(bs){
return typeof bs==="string"&&bs.length===3&&
(%regexp_internal_match(/[^A-Za-z]/,bs)===null);
}
function defaultNumberOption(ah,bt,bu,bv,ad){
if(!(ah===(void 0))){
ah=(%_ToNumber(ah));
if((%IS_VAR(ah)!==ah)
||ah<bt||ah>bu){
throw %make_range_error(197,ad);
}
return %math_floor(ah);
}
return bv;
}
function getNumberOption(C,ad,bt,bu,bv){
var ah=C[ad];
return defaultNumberOption(ah,bt,bu,bv,ad);
}
function SetNumberFormatDigitOptions(bh,C,
mnfdDefault,mxfdDefault){
var bw=getNumberOption(C,'minimumIntegerDigits',1,21,1);
defineWEProperty(bh,'minimumIntegerDigits',bw);
var bx=getNumberOption(C,'minimumFractionDigits',0,20,
mnfdDefault);
defineWEProperty(bh,'minimumFractionDigits',bx);
var by=q(bx,mxfdDefault);
var bz=getNumberOption(C,'maximumFractionDigits',bx,20,
by);
defineWEProperty(bh,'maximumFractionDigits',bz);
var bA=C['minimumSignificantDigits'];
var bB=C['maximumSignificantDigits'];
if(!(bA===(void 0))||!(bB===(void 0))){
bA=defaultNumberOption(bA,1,21,1,'minimumSignificantDigits');
defineWEProperty(bh,'minimumSignificantDigits',bA);
bB=defaultNumberOption(bB,bA,21,21,'maximumSignificantDigits');
defineWEProperty(bh,'maximumSignificantDigits',bB);
}
}
function CreateNumberFormat(B,C){
if((C===(void 0))){
C={__proto__:null};
}
var ac=getGetOption(C,'numberformat');
var Z=resolveLocale('numberformat',B,C);
var bh={__proto__:null};
defineWEProperty(bh,'style',ac(
'style','string',['decimal','percent','currency'],'decimal'));
var bs=ac('currency','string');
if(!(bs===(void 0))&&!isWellFormedCurrencyCode(bs)){
throw %make_range_error(179,bs);
}
if(bh.style==='currency'&&(bs===(void 0))){
throw %make_type_error(42);
}
var bC,bD;
var bE=ac(
'currencyDisplay','string',['code','symbol','name'],'symbol');
if(bh.style==='currency'){
defineWEProperty(bh,'currency',%StringToUpperCaseIntl(bs));
defineWEProperty(bh,'currencyDisplay',bE);
bC=bD=%CurrencyDigits(bh.currency);
}else{
bC=0;
bD=bh.style==='percent'?0:3;
}
SetNumberFormatDigitOptions(bh,C,bC,
bD);
defineWEProperty(bh,'useGrouping',ac(
'useGrouping','boolean',(void 0),true));
var am=parseExtension(Z.extension);
var bF={
'nu':{'property':(void 0),'type':'string'}
};
var ak=setOptions(C,am,bF,
ac,bh);
var bm=Z.locale+ak;
var ai=%object_define_properties({__proto__:null},{
currency:{writable:true},
currencyDisplay:{writable:true},
locale:{writable:true},
maximumFractionDigits:{writable:true},
minimumFractionDigits:{writable:true},
minimumIntegerDigits:{writable:true},
numberingSystem:{writable:true},
requestedLocale:{value:bm,writable:true},
style:{value:bh.style,writable:true},
useGrouping:{writable:true}
});
if((%_Call(r,bh,'minimumSignificantDigits'))){
defineWEProperty(ai,'minimumSignificantDigits',(void 0));
}
if((%_Call(r,bh,'maximumSignificantDigits'))){
defineWEProperty(ai,'maximumSignificantDigits',(void 0));
}
var bG=%CreateNumberFormat(bm,bh,
ai);
if(bh.style==='currency'){
%object_define_property(ai,'currencyDisplay',
{value:bE,writable:true});
}
%MarkAsInitializedIntlObjectOfType(bG,'numberformat');
bG[u]=ai;
return bG;
}
function NumberFormatConstructor(){
return IntlConstruct(this,h,CreateNumberFormat,
new.target,arguments,true);
}
%SetCode(h,NumberFormatConstructor);
%DefineMethodsInternal(h.prototype,class{resolvedOptions(){
var bH=Unwrap(this,'numberformat',h,
'resolvedOptions',true);
var aF={
locale:bH[u].locale,
numberingSystem:bH[u].numberingSystem,
style:bH[u].style,
useGrouping:bH[u].useGrouping,
minimumIntegerDigits:bH[u].minimumIntegerDigits,
minimumFractionDigits:bH[u].minimumFractionDigits,
maximumFractionDigits:bH[u].maximumFractionDigits,
};
if(aF.style==='currency'){
defineWECProperty(aF,'currency',bH[u].currency);
defineWECProperty(aF,'currencyDisplay',
bH[u].currencyDisplay);
}
if((%_Call(r,bH[u],'minimumSignificantDigits'))){
defineWECProperty(aF,'minimumSignificantDigits',
bH[u].minimumSignificantDigits);
}
if((%_Call(r,bH[u],'maximumSignificantDigits'))){
defineWECProperty(aF,'maximumSignificantDigits',
bH[u].maximumSignificantDigits);
}
return aF;
}},-1);
%DefineMethodsInternal(h,class{supportedLocalesOf(B){
return supportedLocalesOf('numberformat',B,arguments[1]);
}},-1);
function formatNumber(bI,ah){
var bJ=(%_ToNumber(ah))+0;
return %InternalNumberFormat(bI,bJ);
}
AddBoundMethod(h,'format',formatNumber,1,
'numberformat',true);
function toLDMLString(C){
var ac=getGetOption(C,'dateformat');
var bK='';
var bL=ac('weekday','string',['narrow','short','long']);
bK+=appendToLDMLString(
bL,{narrow:'EEEEE',short:'EEE',long:'EEEE'});
bL=ac('era','string',['narrow','short','long']);
bK+=appendToLDMLString(
bL,{narrow:'GGGGG',short:'GGG',long:'GGGG'});
bL=ac('year','string',['2-digit','numeric']);
bK+=appendToLDMLString(bL,{'2-digit':'yy','numeric':'y'});
bL=ac('month','string',
['2-digit','numeric','narrow','short','long']);
bK+=appendToLDMLString(bL,{'2-digit':'MM','numeric':'M',
'narrow':'MMMMM','short':'MMM','long':'MMMM'});
bL=ac('day','string',['2-digit','numeric']);
bK+=appendToLDMLString(
bL,{'2-digit':'dd','numeric':'d'});
var bM=ac('hour12','boolean');
bL=ac('hour','string',['2-digit','numeric']);
if((bM===(void 0))){
bK+=appendToLDMLString(bL,{'2-digit':'jj','numeric':'j'});
}else if(bM===true){
bK+=appendToLDMLString(bL,{'2-digit':'hh','numeric':'h'});
}else{
bK+=appendToLDMLString(bL,{'2-digit':'HH','numeric':'H'});
}
bL=ac('minute','string',['2-digit','numeric']);
bK+=appendToLDMLString(bL,{'2-digit':'mm','numeric':'m'});
bL=ac('second','string',['2-digit','numeric']);
bK+=appendToLDMLString(bL,{'2-digit':'ss','numeric':'s'});
bL=ac('timeZoneName','string',['short','long']);
bK+=appendToLDMLString(bL,{short:'z',long:'zzzz'});
return bK;
}
function appendToLDMLString(bL,bN){
if(!(bL===(void 0))){
return bN[bL];
}else{
return'';
}
}
function fromLDMLString(bK){
bK=%RegExpInternalReplace(GetQuotedStringRE(),bK,'');
var C={__proto__:null};
var aE=%regexp_internal_match(/E{3,5}/,bK);
C=appendToDateTimeObject(
C,'weekday',aE,{EEEEE:'narrow',EEE:'short',EEEE:'long'});
aE=%regexp_internal_match(/G{3,5}/,bK);
C=appendToDateTimeObject(
C,'era',aE,{GGGGG:'narrow',GGG:'short',GGGG:'long'});
aE=%regexp_internal_match(/y{1,2}/,bK);
C=appendToDateTimeObject(
C,'year',aE,{y:'numeric',yy:'2-digit'});
aE=%regexp_internal_match(/M{1,5}/,bK);
C=appendToDateTimeObject(C,'month',aE,{MM:'2-digit',
M:'numeric',MMMMM:'narrow',MMM:'short',MMMM:'long'});
aE=%regexp_internal_match(/L{1,5}/,bK);
C=appendToDateTimeObject(C,'month',aE,{LL:'2-digit',
L:'numeric',LLLLL:'narrow',LLL:'short',LLLL:'long'});
aE=%regexp_internal_match(/d{1,2}/,bK);
C=appendToDateTimeObject(
C,'day',aE,{d:'numeric',dd:'2-digit'});
aE=%regexp_internal_match(/h{1,2}/,bK);
if(aE!==null){
C['hour12']=true;
}
C=appendToDateTimeObject(
C,'hour',aE,{h:'numeric',hh:'2-digit'});
aE=%regexp_internal_match(/H{1,2}/,bK);
if(aE!==null){
C['hour12']=false;
}
C=appendToDateTimeObject(
C,'hour',aE,{H:'numeric',HH:'2-digit'});
aE=%regexp_internal_match(/m{1,2}/,bK);
C=appendToDateTimeObject(
C,'minute',aE,{m:'numeric',mm:'2-digit'});
aE=%regexp_internal_match(/s{1,2}/,bK);
C=appendToDateTimeObject(
C,'second',aE,{s:'numeric',ss:'2-digit'});
aE=%regexp_internal_match(/z|zzzz/,bK);
C=appendToDateTimeObject(
C,'timeZoneName',aE,{z:'short',zzzz:'long'});
return C;
}
function appendToDateTimeObject(C,bL,aE,bN){
if((aE===null)){
if(!(%_Call(r,C,bL))){
defineWEProperty(C,bL,(void 0));
}
return C;
}
var ad=aE[0];
defineWEProperty(C,bL,bN[ad]);
return C;
}
function toDateTimeOptions(C,bO,bP){
if((C===(void 0))){
C={__proto__:null};
}else{
C=(%_ToObject(C));
}
C=%object_create(C);
var bQ=true;
if((bO==='date'||bO==='any')&&
(!(C.weekday===(void 0))||!(C.year===(void 0))||
!(C.month===(void 0))||!(C.day===(void 0)))){
bQ=false;
}
if((bO==='time'||bO==='any')&&
(!(C.hour===(void 0))||!(C.minute===(void 0))||
!(C.second===(void 0)))){
bQ=false;
}
if(bQ&&(bP==='date'||bP==='all')){
%object_define_property(C,'year',{value:'numeric',
writable:true,
enumerable:true,
configurable:true});
%object_define_property(C,'month',{value:'numeric',
writable:true,
enumerable:true,
configurable:true});
%object_define_property(C,'day',{value:'numeric',
writable:true,
enumerable:true,
configurable:true});
}
if(bQ&&(bP==='time'||bP==='all')){
%object_define_property(C,'hour',{value:'numeric',
writable:true,
enumerable:true,
configurable:true});
%object_define_property(C,'minute',{value:'numeric',
writable:true,
enumerable:true,
configurable:true});
%object_define_property(C,'second',{value:'numeric',
writable:true,
enumerable:true,
configurable:true});
}
return C;
}
function CreateDateTimeFormat(B,C){
if((C===(void 0))){
C={__proto__:null};
}
var Z=resolveLocale('dateformat',B,C);
C=toDateTimeOptions(C,'any','date');
var ac=getGetOption(C,'dateformat');
var U=ac('formatMatcher','string',
['basic','best fit'],'best fit');
var bK=toLDMLString(C);
var bR=canonicalizeTimeZoneID(C.timeZone);
var bh={__proto__:null};
var am=parseExtension(Z.extension);
var bS={
'ca':{'property':(void 0),'type':'string'},
'nu':{'property':(void 0),'type':'string'}
};
var ak=setOptions(C,am,bS,
ac,bh);
var bm=Z.locale+ak;
var ai=%object_define_properties({__proto__:null},{
calendar:{writable:true},
day:{writable:true},
era:{writable:true},
hour12:{writable:true},
hour:{writable:true},
locale:{writable:true},
minute:{writable:true},
month:{writable:true},
numberingSystem:{writable:true},
[t]:{writable:true},
requestedLocale:{value:bm,writable:true},
second:{writable:true},
timeZone:{writable:true},
timeZoneName:{writable:true},
tz:{value:bR,writable:true},
weekday:{writable:true},
year:{writable:true}
});
var bT=%CreateDateTimeFormat(
bm,{skeleton:bK,timeZone:bR},ai);
if(ai.timeZone==="Etc/Unknown"){
throw %make_range_error(203,bR);
}
%MarkAsInitializedIntlObjectOfType(bT,'dateformat');
bT[u]=ai;
return bT;
}
function DateTimeFormatConstructor(){
return IntlConstruct(this,g,CreateDateTimeFormat,
new.target,arguments,true);
}
%SetCode(g,DateTimeFormatConstructor);
%DefineMethodsInternal(g.prototype,class{resolvedOptions(){
var bH=Unwrap(this,'dateformat',g,
'resolvedOptions',true);
var bU={
'gregorian':'gregory',
'ethiopic-amete-alem':'ethioaa'
};
var bV=fromLDMLString(bH[u][t]);
var bW=bU[bH[u].calendar];
if((bW===(void 0))){
bW=bH[u].calendar;
}
var aF={
locale:bH[u].locale,
numberingSystem:bH[u].numberingSystem,
calendar:bW,
timeZone:bH[u].timeZone
};
addWECPropertyIfDefined(aF,'timeZoneName',bV.timeZoneName);
addWECPropertyIfDefined(aF,'era',bV.era);
addWECPropertyIfDefined(aF,'year',bV.year);
addWECPropertyIfDefined(aF,'month',bV.month);
addWECPropertyIfDefined(aF,'day',bV.day);
addWECPropertyIfDefined(aF,'weekday',bV.weekday);
addWECPropertyIfDefined(aF,'hour12',bV.hour12);
addWECPropertyIfDefined(aF,'hour',bV.hour);
addWECPropertyIfDefined(aF,'minute',bV.minute);
addWECPropertyIfDefined(aF,'second',bV.second);
return aF;
}},-1);
%DefineMethodsInternal(g,class{supportedLocalesOf(B){
return supportedLocalesOf('dateformat',B,arguments[1]);
}},-1);
function formatDate(bI,bX){
var bY;
if((bX===(void 0))){
bY=%DateCurrentTime();
}else{
bY=(%_ToNumber(bX));
}
return %InternalDateFormat(bI,bY);
}
%DefineMethodsInternal(g.prototype,class{formatToParts(bX){
if((%IS_VAR(this)===null)||(this===(void 0)))throw %make_type_error(27,"Intl.DateTimeFormat.prototype.formatToParts");
if(!(typeof(this)==='object')
){
throw %make_type_error(26,this);
}
if(!%IsInitializedIntlObjectOfType(this,'dateformat')){
throw %make_type_error(61,
'Intl.DateTimeFormat.prototype.formatToParts',
this);
}
var bY;
if((bX===(void 0))){
bY=%DateCurrentTime();
}else{
bY=(%_ToNumber(bX));
}
return %InternalDateFormatToParts(this,bY);
}},-1);
AddBoundMethod(g,'format',formatDate,1,'dateformat',
true);
function canonicalizeTimeZoneID(bZ){
if((bZ===(void 0))){
return bZ;
}
bZ=(%_ToString(bZ));
var ca=%StringToUpperCaseIntl(bZ);
if(ca==='UTC'||ca==='GMT'||
ca==='ETC/UTC'||ca==='ETC/GMT'){
return'UTC';
}
var aE=%regexp_internal_match(GetTimezoneNameCheckRE(),bZ);
if((aE===null))throw %make_range_error(171,bZ);
var aF=toTitleCaseTimezoneLocation(aE[1])+'/'+
toTitleCaseTimezoneLocation(aE[2]);
if(!(aE[3]===(void 0))&&3<aE.length){
var cb=%StringSplit(aE[3],'/',4294967295);
for(var Y=1;Y<cb.length;Y++){
aF=aF+'/'+toTitleCaseTimezoneLocation(cb[Y]);
}
}
return aF;
}
function CreateBreakIterator(B,C){
if((C===(void 0))){
C={__proto__:null};
}
var ac=getGetOption(C,'breakiterator');
var bh={__proto__:null};
defineWEProperty(bh,'type',ac(
'type','string',['character','word','sentence','line'],'word'));
var Z=resolveLocale('breakiterator',B,C);
var ai=%object_define_properties({__proto__:null},{
requestedLocale:{value:Z.locale,writable:true},
type:{value:bh.type,writable:true},
locale:{writable:true}
});
var cc=%CreateBreakIterator(Z.locale,bh,ai);
%MarkAsInitializedIntlObjectOfType(cc,'breakiterator');
cc[u]=ai;
return cc;
}
function v8BreakIteratorConstructor(){
return IntlConstruct(this,k,CreateBreakIterator,
new.target,arguments);
}
%SetCode(k,v8BreakIteratorConstructor);
%DefineMethodsInternal(k.prototype,class{resolvedOptions(){
if(!(new.target===(void 0))){
throw %make_type_error(102);
}
var cd=Unwrap(this,'breakiterator',k,
'resolvedOptions',false);
return{
locale:cd[u].locale,
type:cd[u].type
};
}},-1);
%DefineMethodsInternal(k,class{supportedLocalesOf(B){
if(!(new.target===(void 0))){
throw %make_type_error(102);
}
return supportedLocalesOf('breakiterator',B,arguments[1]);
}},-1);
function adoptText(cc,ce){
%BreakIteratorAdoptText(cc,(%_ToString(ce)));
}
function first(cc){
return %BreakIteratorFirst(cc);
}
function next(cc){
return %BreakIteratorNext(cc);
}
function current(cc){
return %BreakIteratorCurrent(cc);
}
function breakType(cc){
return %BreakIteratorBreakType(cc);
}
AddBoundMethod(k,'adoptText',adoptText,1,
'breakiterator');
AddBoundMethod(k,'first',first,0,'breakiterator');
AddBoundMethod(k,'next',next,0,'breakiterator');
AddBoundMethod(k,'current',current,0,
'breakiterator');
AddBoundMethod(k,'breakType',breakType,0,
'breakiterator');
var cf={
'collator':i,
'numberformat':h,
'dateformatall':g,
'dateformatdate':g,
'dateformattime':g
};
var cg={
'collator':(void 0),
'numberformat':(void 0),
'dateformatall':(void 0),
'dateformatdate':(void 0),
'dateformattime':(void 0),
};
function clearDefaultObjects(){
cg['dateformatall']=(void 0);
cg['dateformatdate']=(void 0);
cg['dateformattime']=(void 0);
}
var ch=0;
function checkDateCacheCurrent(){
var ci=%DateCacheVersion();
if(ci==ch){
return;
}
ch=ci;
clearDefaultObjects();
}
function cachedOrNewService(K,B,C,bP){
var cj=((bP===(void 0)))?C:bP;
if((B===(void 0))&&(C===(void 0))){
checkDateCacheCurrent();
if((cg[K]===(void 0))){
cg[K]=new cf[K](B,cj);
}
return cg[K];
}
return new cf[K](B,cj);
}
function LocaleConvertCase(ck,B,cl){
var be;
if((B===(void 0))){
be=GetDefaultICULocaleJS();
}else if((typeof(B)==='string')){
be=canonicalizeLanguageTag(B);
}else{
var B=initializeLocaleList(B);
be=B.length>0?B[0]:GetDefaultICULocaleJS();
}
var aa=%StringIndexOf(be,'-',0);
if(aa!==-1){
be=%_Call(w,be,0,aa);
}
return %StringLocaleConvertCase(ck,cl,be);
}
%DefineMethodsInternal(n.prototype,class{localeCompare(that){
if((this==null)){
throw %make_type_error(71);
}
var B=arguments[1];
var C=arguments[2];
var bn=cachedOrNewService('collator',B,C);
return compare(bn,this,that);
}},-1);
%DefineMethodsInternal(n.prototype,class{
toLocaleLowerCase(B){
if((%IS_VAR(this)===null)||(this===(void 0)))throw %make_type_error(27,"String.prototype.toLocaleLowerCase");
return LocaleConvertCase((%_ToString(this)),B,false);
}
toLocaleUpperCase(B){
if((%IS_VAR(this)===null)||(this===(void 0)))throw %make_type_error(27,"String.prototype.toLocaleUpperCase");
return LocaleConvertCase((%_ToString(this)),B,true);
}
},0);
%DefineMethodsInternal(l.prototype,class{toLocaleString(){
if(!(this instanceof l)&&typeof(this)!=='number'){
throw %make_type_error(72,"Number");
}
var B=arguments[0];
var C=arguments[1];
var bG=cachedOrNewService('numberformat',B,C);
return formatNumber(bG,this);
}},-1);
function toLocaleDateTime(cm,B,C,bO,bP,K){
if(!(cm instanceof e)){
throw %make_type_error(72,"Date");
}
var bX=(%_ToNumber(cm));
if((%IS_VAR(bX)!==bX)
)return'Invalid Date';
var bh=toDateTimeOptions(C,bO,bP);
var bT=
cachedOrNewService(K,B,C,bh);
return formatDate(bT,cm);
}
%DefineMethodsInternal(e.prototype,class{toLocaleString(){
var B=arguments[0];
var C=arguments[1];
return toLocaleDateTime(
this,B,C,'any','all','dateformatall');
}},-1);
%DefineMethodsInternal(e.prototype,class{toLocaleDateString(){
var B=arguments[0];
var C=arguments[1];
return toLocaleDateTime(
this,B,C,'date','date','dateformatdate');
}},-1);
%DefineMethodsInternal(e.prototype,class{toLocaleTimeString(){
var B=arguments[0];
var C=arguments[1];
return toLocaleDateTime(
this,B,C,'time','time','dateformattime');
}},-1);
})

@CommonOperations>
(function(global, binding, v8) {
'use strict';
const _queue = v8.createPrivateSymbol('[[queue]]');
const _queueTotalSize = v8.createPrivateSymbol('[[queueTotalSize]]');
const Boolean = global.Boolean;
const Number = global.Number;
const Number_isFinite = Number.isFinite;
const Number_isNaN = Number.isNaN;
const RangeError = global.RangeError;
const TypeError = global.TypeError;
const hasOwnProperty = v8.uncurryThis(global.Object.hasOwnProperty);
function hasOwnPropertyNoThrow(x, property) {
return Boolean(x) && hasOwnProperty(x, property);
}
function streamInternalError() {
throw new RangeError('Stream API Internal Error');
}
function rejectPromise(p, reason) {
if (!v8.isPromise(p)) {
streamInternalError();
}
v8.rejectPromise(p, reason);
}
function resolvePromise(p, value) {
if (!v8.isPromise(p)) {
streamInternalError();
}
v8.resolvePromise(p, value);
}
function markPromiseAsHandled(p) {
if (!v8.isPromise(p)) {
streamInternalError();
}
v8.markPromiseAsHandled(p);
}
function promiseState(p) {
if (!v8.isPromise(p)) {
streamInternalError();
}
return v8.promiseState(p);
}
function DequeueValue(container) {
const pair = container[_queue].shift();
container[_queueTotalSize] -= pair.size;
if (container[_queueTotalSize] < 0) {
container[_queueTotalSize] = 0;
}
return pair.value;
}
function EnqueueValueWithSize(container, value, size) {
size = Number(size);
if (!IsFiniteNonNegativeNumber(size)) {
throw new RangeError(binding.streamErrors.invalidSize);
}
container[_queue].push({value, size});
container[_queueTotalSize] += size;
}
function PeekQueueValue(container) {
const pair = container[_queue].peek();
return pair.value;
}
function ResetQueue(container) {
container[_queue] = new binding.SimpleQueue();
container[_queueTotalSize] = 0;
}
function IsFiniteNonNegativeNumber(v) {
return Number_isFinite(v) && v >= 0;
}
function ValidateAndNormalizeQueuingStrategy(size, highWaterMark) {
if (size !== undefined && typeof size !== 'function') {
throw new TypeError(binding.streamErrors.sizeNotAFunction);
}
highWaterMark = Number(highWaterMark);
if (Number_isNaN(highWaterMark)) {
throw new RangeError(binding.streamErrors.invalidHWM);
}
if (highWaterMark < 0) {
throw new RangeError(binding.streamErrors.invalidHWM);
}
return {size, highWaterMark};
}
const callFunction = v8.uncurryThis(global.Function.prototype.call);
const errTmplMustBeFunctionOrUndefined = name =>
`${name} must be a function or undefined`;
const Promise_resolve = Promise.resolve.bind(Promise);
const Promise_reject = Promise.reject.bind(Promise);
function resolveMethod(O, P, nameForError) {
const method = O[P];
if (typeof method !== 'function' && typeof method !== 'undefined') {
throw new TypeError(errTmplMustBeFunctionOrUndefined(nameForError));
}
return method;
}
function CallOrNoop1(O, P, arg0, nameForError) {
const method = resolveMethod(O, P, nameForError);
if (method === undefined) {
return undefined;
}
return callFunction(method, O, arg0);
}
function PromiseCallOrNoop0(O, P, nameForError) {
try {
const method = resolveMethod(O, P, nameForError);
if (method === undefined) {
return Promise_resolve();
}
return Promise_resolve(callFunction(method, O));
} catch (e) {
return Promise_reject(e);
}
}
function PromiseCallOrNoop1(O, P, arg0, nameForError) {
try {
return Promise_resolve(CallOrNoop1(O, P, arg0, nameForError));
} catch (e) {
return Promise_reject(e);
}
}
function PromiseCallOrNoop2(O, P, arg0, arg1, nameForError) {
try {
const method = resolveMethod(O, P, nameForError);
if (method === undefined) {
return Promise_resolve();
}
return Promise_resolve(callFunction(method, O, arg0, arg1));
} catch (e) {
return Promise_reject(e);
}
}
binding.streamOperations = {
_queue,
_queueTotalSize,
hasOwnPropertyNoThrow,
rejectPromise,
resolvePromise,
markPromiseAsHandled,
promiseState,
DequeueValue,
EnqueueValueWithSize,
PeekQueueValue,
ResetQueue,
ValidateAndNormalizeQueuingStrategy,
CallOrNoop1,
PromiseCallOrNoop0,
PromiseCallOrNoop1,
PromiseCallOrNoop2
};
});
4CommonStrings�
(function(global, binding, v8) {
'use strict';
binding.streamErrors = {
illegalInvocation: 'Illegal invocation',
illegalConstructor: 'Illegal constructor',
invalidType: 'Invalid type is specified',
invalidSize: 'The return value of a queuing strategy\'s size function ' +
'must be a finite, non-NaN, non-negative number',
sizeNotAFunction: 'A queuing strategy\'s size property must be a function',
invalidHWM:
'A queueing strategy\'s highWaterMark property must be a nonnegative, ' +
'non-NaN number',
};
});
,SimpleQueue� 
(function(global, binding, v8) {
'use strict';
const _front = v8.createPrivateSymbol('front');
const _back = v8.createPrivateSymbol('back');
const _cursor = v8.createPrivateSymbol('cursor');
const _size = v8.createPrivateSymbol('size');
const _elements = v8.createPrivateSymbol('elements');
const _next = v8.createPrivateSymbol('next');
const RangeError = global.RangeError;
function requireNonEmptyQueue(queue, functionName) {
if (queue[_size] === 0) {
throw new RangeError(
`${functionName}() must not be called on an empty queue`);
}
}
const QUEUE_MAX_ARRAY_SIZE = 16384;
class SimpleQueue {
constructor() {
this[_front] = {
[_elements]: new v8.InternalPackedArray(),
[_next]: undefined,
};
this[_back] = this[_front];
this[_cursor] = 0;
this[_size] = 0;
}
get length() {
return this[_size];
}
push(element) {
const oldBack = this[_back];
let newBack = oldBack;
if (oldBack[_elements].length === QUEUE_MAX_ARRAY_SIZE - 1) {
newBack = {
[_elements]: new v8.InternalPackedArray(),
[_next]: undefined,
};
}
oldBack[_elements].push(element);
if (newBack !== oldBack) {
this[_back] = newBack;
oldBack[_next] = newBack;
}
++this[_size];
}
shift() {
requireNonEmptyQueue(this, 'shift');
const oldFront = this[_front];
let newFront = oldFront;
const oldCursor = this[_cursor];
let newCursor = oldCursor + 1;
const elements = oldFront[_elements];
const element = elements[oldCursor];
if (newCursor === QUEUE_MAX_ARRAY_SIZE) {
newFront = oldFront[_next];
newCursor = 0;
}
--this[_size];
this[_cursor] = newCursor;
if (oldFront !== newFront) {
this[_front] = newFront;
}
elements[oldCursor] = undefined;
return element;
}
forEach(callback) {
let i = this[_cursor];
let node = this[_front];
let elements = node[_elements];
while (i !== elements.length || node[_next] !== undefined) {
if (i === elements.length) {
node = node[_next];
elements = node[_elements];
i = 0;
if (elements.length === 0) {
break;
}
}
callback(elements[i]);
++i;
}
}
peek() {
requireNonEmptyQueue(this, 'peek');
const front = this[_front];
const cursor = this[_cursor];
return front[_elements][cursor];
}
}
binding.SimpleQueue = SimpleQueue;
});
dByteLengthQueuingStrategy�
(function(global, binding, v8) {
'use strict';
const defineProperty = global.Object.defineProperty;
class ByteLengthQueuingStrategy {
constructor(options) {
defineProperty(this, 'highWaterMark', {
value: options.highWaterMark,
enumerable: true,
configurable: true,
writable: true
});
}
size(chunk) {
return chunk.byteLength;
}
}
defineProperty(global, 'ByteLengthQueuingStrategy', {
value: ByteLengthQueuingStrategy,
enumerable: false,
configurable: true,
writable: true
});
});
PCountQueuingStrategy

(function(global, binding, v8) {
'use strict';
const defineProperty = global.Object.defineProperty;
class CountQueuingStrategy {
constructor(options) {
defineProperty(this, 'highWaterMark', {
value: options.highWaterMark,
enumerable: true,
configurable: true,
writable: true
});
}
size() {
return 1;
}
}
defineProperty(global, 'CountQueuingStrategy', {
value: CountQueuingStrategy,
enumerable: false,
configurable: true,
writable: true
});
class BuiltInCountQueuingStrategy {
constructor(highWaterMark) {
defineProperty(this, 'highWaterMark', {value: highWaterMark});
}
size() {
return 1;
}
}
binding.createBuiltInCountQueuingStrategy = highWaterMark =>
new BuiltInCountQueuingStrategy(highWaterMark);
});
8ReadableStreamZ�

(function(global, binding, v8) {
'use strict';
const _reader = v8.createPrivateSymbol('[[reader]]');
const _storedError = v8.createPrivateSymbol('[[storedError]]');
const _controller = v8.createPrivateSymbol('[[controller]]');
const _closedPromise = v8.createPrivateSymbol('[[closedPromise]]');
const _ownerReadableStream =
v8.createPrivateSymbol('[[ownerReadableStream]]');
const _readRequests = v8.createPrivateSymbol('[[readRequests]]');
const createWithExternalControllerSentinel =
v8.createPrivateSymbol('flag for UA-created ReadableStream to pass');
const _readableStreamBits =
v8.createPrivateSymbol('bit field for [[state]] and [[disturbed]]');
const DISTURBED = 0b1;
const STATE_MASK = 0b110;
const STATE_BITS_OFFSET = 1;
const STATE_READABLE = 0;
const STATE_CLOSED = 1;
const STATE_ERRORED = 2;
const _underlyingSource = v8.createPrivateSymbol('[[underlyingSource]]');
const _controlledReadableStream =
v8.createPrivateSymbol('[[controlledReadableStream]]');
const _strategySize = v8.createPrivateSymbol('[[strategySize]]');
const _strategyHWM = v8.createPrivateSymbol('[[strategyHWM]]');
const _readableStreamDefaultControllerBits = v8.createPrivateSymbol(
'bit field for [[started]], [[closeRequested]], [[pulling]], ' +
'[[pullAgain]]');
const STARTED = 0b1;
const CLOSE_REQUESTED = 0b10;
const PULLING = 0b100;
const PULL_AGAIN = 0b1000;
const EXTERNALLY_CONTROLLED = 0b10000;
const defineProperty = global.Object.defineProperty;
const callFunction = v8.uncurryThis(global.Function.prototype.call);
const applyFunction = v8.uncurryThis(global.Function.prototype.apply);
const TypeError = global.TypeError;
const RangeError = global.RangeError;
const Boolean = global.Boolean;
const String = global.String;
const Promise = global.Promise;
const thenPromise = v8.uncurryThis(Promise.prototype.then);
const Promise_resolve = Promise.resolve.bind(Promise);
const Promise_reject = Promise.reject.bind(Promise);
const {
_queue,
_queueTotalSize,
hasOwnPropertyNoThrow,
rejectPromise,
resolvePromise,
markPromiseAsHandled,
DequeueValue,
EnqueueValueWithSize,
ValidateAndNormalizeQueuingStrategy,
CallOrNoop1,
PromiseCallOrNoop1
} = binding.streamOperations;
const streamErrors = binding.streamErrors;
const errCancelLockedStream =
'Cannot cancel a readable stream that is locked to a reader';
const errEnqueueCloseRequestedStream =
'Cannot enqueue a chunk into a readable stream that is closed or ' +
'has been requested to be closed';
const errCancelReleasedReader =
'This readable stream reader has been released and cannot be used ' +
'to cancel its previous owner stream';
const errReadReleasedReader =
'This readable stream reader has been released and cannot be used ' +
'to read from its previous owner stream';
const errCloseCloseRequestedStream =
'Cannot close a readable stream that has already been requested to ' +
'be closed';
const errEnqueueClosedStream =
'Cannot enqueue a chunk into a closed readable stream';
const errEnqueueErroredStream =
'Cannot enqueue a chunk into an errored readable stream';
const errCloseClosedStream = 'Cannot close a closed readable stream';
const errCloseErroredStream = 'Cannot close an errored readable stream';
const errErrorClosedStream = 'Cannot error a close readable stream';
const errErrorErroredStream =
'Cannot error a readable stream that is already errored';
const errGetReaderNotByteStream =
'This readable stream does not support BYOB readers';
const errGetReaderBadMode =
'Invalid reader mode given: expected undefined or "byob"';
const errReaderConstructorBadArgument =
'ReadableStreamReader constructor argument is not a readable stream';
const errReaderConstructorStreamAlreadyLocked =
'ReadableStreamReader constructor can only accept readable streams ' +
'that are not yet locked to a reader';
const errReleaseReaderWithPendingRead =
'Cannot release a readable stream reader when it still has ' +
'outstanding read() calls that have not yet settled';
const errReleasedReaderClosedPromise =
'This readable stream reader has been released and cannot be used ' +
'to monitor the stream\'s state';
const errCannotPipeLockedStream = 'Cannot pipe a locked stream';
const errCannotPipeToALockedStream = 'Cannot pipe to a locked stream';
const errDestinationStreamClosed = 'Destination stream closed';
const errPipeThroughUndefinedWritable =
'Failed to execute \'pipeThrough\' on \'ReadableStream\': parameter ' +
'1\'s \'writable\' property is undefined.';
const errPipeThroughUndefinedReadable =
'Failed to execute \'pipeThrough\' on \'ReadableStream\': parameter ' +
'1\'s \'readable\' property is undefined.';
class ReadableStream {
constructor(underlyingSource = {}, { size, highWaterMark = 1 } = {},
internalArgument = undefined) {
this[_readableStreamBits] = 0b0;
ReadableStreamSetState(this, STATE_READABLE);
this[_reader] = undefined;
this[_storedError] = undefined;
this[_controller] = undefined;
const type = underlyingSource.type;
const typeString = String(type);
if (typeString === 'bytes') {
throw new RangeError('bytes type is not yet implemented');
} else if (type !== undefined) {
throw new RangeError(streamErrors.invalidType);
}
this[_controller] = new ReadableStreamDefaultController(
this, underlyingSource, size, highWaterMark,
internalArgument === createWithExternalControllerSentinel);
}
get locked() {
if (IsReadableStream(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
return IsReadableStreamLocked(this);
}
cancel(reason) {
if (IsReadableStream(this) === false) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
if (IsReadableStreamLocked(this) === true) {
return Promise_reject(new TypeError(errCancelLockedStream));
}
return ReadableStreamCancel(this, reason);
}
getReader({mode} = {}) {
if (IsReadableStream(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
if (mode === 'byob') {
throw new TypeError(errGetReaderNotByteStream);
}
if (mode === undefined) {
return AcquireReadableStreamDefaultReader(this);
}
throw new RangeError(errGetReaderBadMode);
}
pipeThrough({writable, readable}, options) {
if (writable === undefined) {
throw new TypeError(errPipeThroughUndefinedWritable);
}
if (readable === undefined) {
throw new TypeError(errPipeThroughUndefinedReadable);
}
const promise = this.pipeTo(writable, options);
if (v8.isPromise(promise)) {
markPromiseAsHandled(promise);
}
return readable;
}
pipeTo(dest, {preventClose, preventAbort, preventCancel} = {}) {
if (!IsReadableStream(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
if (!binding.IsWritableStream(dest)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
preventClose = Boolean(preventClose);
preventAbort = Boolean(preventAbort);
preventCancel = Boolean(preventCancel);
if (IsReadableStreamLocked(this)) {
return Promise_reject(new TypeError(errCannotPipeLockedStream));
}
if (binding.IsWritableStreamLocked(dest)) {
return Promise_reject(new TypeError(errCannotPipeToALockedStream));
}
return ReadableStreamPipeTo(
this, dest, preventClose, preventAbort, preventCancel);
}
tee() {
if (IsReadableStream(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
return ReadableStreamTee(this);
}
}
function ReadableStreamPipeTo(
readable, dest, preventClose, preventAbort, preventCancel) {
const reader = AcquireReadableStreamDefaultReader(readable);
const writer = binding.AcquireWritableStreamDefaultWriter(dest);
let shuttingDown = false;
const promise = v8.createPromise();
let reading = false;
if (checkInitialState()) {
thenPromise(reader[_closedPromise], onReaderClosed, readableError);
thenPromise(
binding.getWritableStreamDefaultWriterClosedPromise(writer),
undefined, writableError);
pump();
}
function checkInitialState() {
const state = ReadableStreamGetState(readable);
if (state === STATE_ERRORED) {
readableError(readable[_storedError]);
return false;
}
if (binding.isWritableStreamErrored(dest)) {
writableError(binding.getWritableStreamStoredError(dest));
return false;
}
if (state === STATE_CLOSED) {
readableClosed();
return false;
}
if (binding.isWritableStreamClosingOrClosed(dest)) {
writableStartedClosed();
return false;
}
return true;
}
function pump() {
if (shuttingDown) {
return;
}
const desiredSize =
binding.WritableStreamDefaultWriterGetDesiredSize(writer);
if (desiredSize === null) {
return;
}
if (desiredSize <= 0) {
thenPromise(
binding.getWritableStreamDefaultWriterReadyPromise(writer), pump,
writableError);
return;
}
reading = true;
thenPromise(
ReadableStreamDefaultReaderRead(reader), readFulfilled, readRejected);
}
function readFulfilled({value, done}) {
reading = false;
if (shuttingDown) {
return;
}
if (done) {
readableClosed();
return;
}
const write = binding.WritableStreamDefaultWriterWrite(writer, value);
thenPromise(write, undefined, writableError);
pump();
}
function readRejected() {
reading = false;
readableError(readable[_storedError]);
}
function onReaderClosed() {
if (!reading) {
readableClosed();
}
}
function readableError(error) {
if (!preventAbort) {
shutdownWithAction(
binding.WritableStreamAbort, [dest, error], error, true);
} else {
shutdown(error, true);
}
}
function writableError(error) {
if (!preventCancel) {
shutdownWithAction(
ReadableStreamCancel, [readable, error], error, true);
} else {
shutdown(error, true);
}
}
function readableClosed() {
if (!preventClose) {
shutdownWithAction(
binding.WritableStreamDefaultWriterCloseWithErrorPropagation,
[writer]);
} else {
shutdown();
}
}
function writableStartedClosed() {
const destClosed = new TypeError(errDestinationStreamClosed);
if (!preventCancel) {
shutdownWithAction(
ReadableStreamCancel, [readable, destClosed], destClosed, true);
} else {
shutdown(destClosed, true);
}
}
function shutdownWithAction(
action, args, originalError = undefined, errorGiven = false) {
if (shuttingDown) {
return;
}
shuttingDown = true;
const p = applyFunction(action, undefined, args);
thenPromise(
p, () => finalize(originalError, errorGiven),
newError => finalize(newError, true));
}
function shutdown(error = undefined, errorGiven = false) {
if (shuttingDown) {
return;
}
shuttingDown = true;
finalize(error, errorGiven);
}
function finalize(error, errorGiven) {
binding.WritableStreamDefaultWriterRelease(writer);
ReadableStreamReaderGenericRelease(reader);
if (errorGiven) {
rejectPromise(promise, error);
} else {
resolvePromise(promise, undefined);
}
}
return promise;
}
function AcquireReadableStreamDefaultReader(stream) {
return new ReadableStreamDefaultReader(stream);
}
function IsReadableStream(x) {
return hasOwnPropertyNoThrow(x, _controller);
}
function IsReadableStreamDisturbed(stream) {
return stream[_readableStreamBits] & DISTURBED;
}
function IsReadableStreamLocked(stream) {
return stream[_reader] !== undefined;
}
function ReadableStreamTee(stream) {
const reader = AcquireReadableStreamDefaultReader(stream);
let closedOrErrored = false;
let canceled1 = false;
let canceled2 = false;
let reason1;
let reason2;
const promise = v8.createPromise();
const branch1Stream = new ReadableStream({pull, cancel: cancel1});
const branch2Stream = new ReadableStream({pull, cancel: cancel2});
const branch1 = branch1Stream[_controller];
const branch2 = branch2Stream[_controller];
thenPromise(reader[_closedPromise], undefined, function(r) {
if (closedOrErrored === true) {
return;
}
ReadableStreamDefaultControllerError(branch1, r);
ReadableStreamDefaultControllerError(branch2, r);
closedOrErrored = true;
});
return [branch1Stream, branch2Stream];
function pull() {
return thenPromise(
ReadableStreamDefaultReaderRead(reader), function(result) {
const value = result.value;
const done = result.done;
if (done === true && closedOrErrored === false) {
if (canceled1 === false) {
ReadableStreamDefaultControllerClose(branch1);
}
if (canceled2 === false) {
ReadableStreamDefaultControllerClose(branch2);
}
closedOrErrored = true;
}
if (closedOrErrored === true) {
return;
}
if (canceled1 === false) {
ReadableStreamDefaultControllerEnqueue(branch1, value);
}
if (canceled2 === false) {
ReadableStreamDefaultControllerEnqueue(branch2, value);
}
});
}
function cancel1(reason) {
canceled1 = true;
reason1 = reason;
if (canceled2 === true) {
const compositeReason = [reason1, reason2];
const cancelResult = ReadableStreamCancel(stream, compositeReason);
resolvePromise(promise, cancelResult);
}
return promise;
}
function cancel2(reason) {
canceled2 = true;
reason2 = reason;
if (canceled1 === true) {
const compositeReason = [reason1, reason2];
const cancelResult = ReadableStreamCancel(stream, compositeReason);
resolvePromise(promise, cancelResult);
}
return promise;
}
}
function ReadableStreamAddReadRequest(stream) {
const promise = v8.createPromise();
stream[_reader][_readRequests].push(promise);
return promise;
}
function ReadableStreamCancel(stream, reason) {
stream[_readableStreamBits] |= DISTURBED;
const state = ReadableStreamGetState(stream);
if (state === STATE_CLOSED) {
return Promise_resolve(undefined);
}
if (state === STATE_ERRORED) {
return Promise_reject(stream[_storedError]);
}
ReadableStreamClose(stream);
const sourceCancelPromise =
ReadableStreamDefaultControllerCancel(stream[_controller], reason);
return thenPromise(sourceCancelPromise, () => undefined);
}
function ReadableStreamClose(stream) {
ReadableStreamSetState(stream, STATE_CLOSED);
const reader = stream[_reader];
if (reader === undefined) {
return undefined;
}
if (IsReadableStreamDefaultReader(reader) === true) {
reader[_readRequests].forEach(
request =>
resolvePromise(request, CreateIterResultObject(undefined, true)));
reader[_readRequests] = new binding.SimpleQueue();
}
resolvePromise(reader[_closedPromise], undefined);
}
function ReadableStreamError(stream, e) {
stream[_storedError] = e;
ReadableStreamSetState(stream, STATE_ERRORED);
const reader = stream[_reader];
if (reader === undefined) {
return undefined;
}
if (IsReadableStreamDefaultReader(reader) === true) {
reader[_readRequests].forEach(request => rejectPromise(request, e));
reader[_readRequests] = new binding.SimpleQueue();
}
rejectPromise(reader[_closedPromise], e);
markPromiseAsHandled(reader[_closedPromise]);
}
function ReadableStreamFulfillReadRequest(stream, chunk, done) {
const readRequest = stream[_reader][_readRequests].shift();
resolvePromise(readRequest, CreateIterResultObject(chunk, done));
}
function ReadableStreamGetNumReadRequests(stream) {
const reader = stream[_reader];
const readRequests = reader[_readRequests];
return readRequests.length;
}
class ReadableStreamDefaultReader {
constructor(stream) {
if (IsReadableStream(stream) === false) {
throw new TypeError(errReaderConstructorBadArgument);
}
if (IsReadableStreamLocked(stream) === true) {
throw new TypeError(errReaderConstructorStreamAlreadyLocked);
}
ReadableStreamReaderGenericInitialize(this, stream);
this[_readRequests] = new binding.SimpleQueue();
}
get closed() {
if (IsReadableStreamDefaultReader(this) === false) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
return this[_closedPromise];
}
cancel(reason) {
if (IsReadableStreamDefaultReader(this) === false) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
const stream = this[_ownerReadableStream];
if (stream === undefined) {
return Promise_reject(new TypeError(errCancelReleasedReader));
}
return ReadableStreamReaderGenericCancel(this, reason);
}
read() {
if (IsReadableStreamDefaultReader(this) === false) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
if (this[_ownerReadableStream] === undefined) {
return Promise_reject(new TypeError(errReadReleasedReader));
}
return ReadableStreamDefaultReaderRead(this);
}
releaseLock() {
if (IsReadableStreamDefaultReader(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
const stream = this[_ownerReadableStream];
if (stream === undefined) {
return undefined;
}
if (this[_readRequests].length > 0) {
throw new TypeError(errReleaseReaderWithPendingRead);
}
ReadableStreamReaderGenericRelease(this);
}
}
function IsReadableStreamDefaultReader(x) {
return hasOwnPropertyNoThrow(x, _readRequests);
}
function ReadableStreamReaderGenericCancel(reader, reason) {
return ReadableStreamCancel(reader[_ownerReadableStream], reason);
}
function ReadableStreamReaderGenericInitialize(reader, stream) {
const controller = stream[_controller];
if (controller[_readableStreamDefaultControllerBits] &
EXTERNALLY_CONTROLLED) {
const underlyingSource = controller[_underlyingSource];
callFunction(underlyingSource.notifyLockAcquired, underlyingSource);
}
reader[_ownerReadableStream] = stream;
stream[_reader] = reader;
switch (ReadableStreamGetState(stream)) {
case STATE_READABLE:
reader[_closedPromise] = v8.createPromise();
break;
case STATE_CLOSED:
reader[_closedPromise] = Promise_resolve(undefined);
break;
case STATE_ERRORED:
reader[_closedPromise] = Promise_reject(stream[_storedError]);
markPromiseAsHandled(reader[_closedPromise]);
break;
}
}
function ReadableStreamReaderGenericRelease(reader) {
const controller = reader[_ownerReadableStream][_controller];
if (controller[_readableStreamDefaultControllerBits] &
EXTERNALLY_CONTROLLED) {
const underlyingSource = controller[_underlyingSource];
callFunction(underlyingSource.notifyLockReleased, underlyingSource);
}
if (ReadableStreamGetState(reader[_ownerReadableStream]) ===
STATE_READABLE) {
rejectPromise(
reader[_closedPromise],
new TypeError(errReleasedReaderClosedPromise));
} else {
reader[_closedPromise] =
Promise_reject(new TypeError(errReleasedReaderClosedPromise));
}
markPromiseAsHandled(reader[_closedPromise]);
reader[_ownerReadableStream][_reader] = undefined;
reader[_ownerReadableStream] = undefined;
}
function ReadableStreamDefaultReaderRead(reader) {
const stream = reader[_ownerReadableStream];
stream[_readableStreamBits] |= DISTURBED;
if (ReadableStreamGetState(stream) === STATE_CLOSED) {
return Promise_resolve(CreateIterResultObject(undefined, true));
}
if (ReadableStreamGetState(stream) === STATE_ERRORED) {
return Promise_reject(stream[_storedError]);
}
return ReadableStreamDefaultControllerPull(stream[_controller]);
}
class ReadableStreamDefaultController {
constructor(
stream, underlyingSource, size, highWaterMark, isExternallyControlled) {
if (IsReadableStream(stream) === false) {
throw new TypeError(streamErrors.illegalConstructor);
}
if (stream[_controller] !== undefined) {
throw new TypeError(streamErrors.illegalConstructor);
}
this[_controlledReadableStream] = stream;
this[_underlyingSource] = underlyingSource;
this[_queue] = new binding.SimpleQueue();
this[_queueTotalSize] = 0;
this[_readableStreamDefaultControllerBits] = 0b0;
if (isExternallyControlled === true) {
this[_readableStreamDefaultControllerBits] |= EXTERNALLY_CONTROLLED;
}
const normalizedStrategy =
ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
this[_strategySize] = normalizedStrategy.size;
this[_strategyHWM] = normalizedStrategy.highWaterMark;
const controller = this;
const startResult = CallOrNoop1(
underlyingSource, 'start', this, 'underlyingSource.start');
thenPromise(
Promise_resolve(startResult),
() => {
controller[_readableStreamDefaultControllerBits] |= STARTED;
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
},
r => {
if (ReadableStreamGetState(stream) === STATE_READABLE) {
ReadableStreamDefaultControllerError(controller, r);
}
});
}
get desiredSize() {
if (IsReadableStreamDefaultController(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
return ReadableStreamDefaultControllerGetDesiredSize(this);
}
close() {
if (IsReadableStreamDefaultController(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
const stream = this[_controlledReadableStream];
if (this[_readableStreamDefaultControllerBits] & CLOSE_REQUESTED) {
throw new TypeError(errCloseCloseRequestedStream);
}
const state = ReadableStreamGetState(stream);
if (state === STATE_ERRORED) {
throw new TypeError(errCloseErroredStream);
}
if (state === STATE_CLOSED) {
throw new TypeError(errCloseClosedStream);
}
return ReadableStreamDefaultControllerClose(this);
}
enqueue(chunk) {
if (IsReadableStreamDefaultController(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
if (!ReadableStreamDefaultControllerCanCloseOrEnqueue(this)) {
const stream = this[_controlledReadableStream];
throw getReadableStreamEnqueueError(stream, this);
}
return ReadableStreamDefaultControllerEnqueue(this, chunk);
}
error(e) {
if (IsReadableStreamDefaultController(this) === false) {
throw new TypeError(streamErrors.illegalInvocation);
}
const stream = this[_controlledReadableStream];
const state = ReadableStreamGetState(stream);
if (state === STATE_ERRORED) {
throw new TypeError(errErrorErroredStream);
}
if (state === STATE_CLOSED) {
throw new TypeError(errErrorClosedStream);
}
return ReadableStreamDefaultControllerError(this, e);
}
}
function ReadableStreamDefaultControllerCancel(controller, reason) {
controller[_queue] = new binding.SimpleQueue();
const underlyingSource = controller[_underlyingSource];
return PromiseCallOrNoop1(
underlyingSource, 'cancel', reason, 'underlyingSource.cancel');
}
function ReadableStreamDefaultControllerPull(controller) {
const stream = controller[_controlledReadableStream];
if (controller[_queue].length > 0) {
const chunk = DequeueValue(controller);
if ((controller[_readableStreamDefaultControllerBits] &
CLOSE_REQUESTED) &&
controller[_queue].length === 0) {
ReadableStreamClose(stream);
} else {
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
}
return Promise_resolve(CreateIterResultObject(chunk, false));
}
const pendingPromise = ReadableStreamAddReadRequest(stream);
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
return pendingPromise;
}
function IsReadableStreamDefaultController(x) {
return hasOwnPropertyNoThrow(x, _controlledReadableStream);
}
function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
const shouldPull =
ReadableStreamDefaultControllerShouldCallPull(controller);
if (shouldPull === false) {
return undefined;
}
if (controller[_readableStreamDefaultControllerBits] & PULLING) {
controller[_readableStreamDefaultControllerBits] |= PULL_AGAIN;
return undefined;
}
controller[_readableStreamDefaultControllerBits] |= PULLING;
const underlyingSource = controller[_underlyingSource];
const pullPromise = PromiseCallOrNoop1(
underlyingSource, 'pull', controller, 'underlyingSource.pull');
thenPromise(
pullPromise,
() => {
controller[_readableStreamDefaultControllerBits] &= ~PULLING;
if (controller[_readableStreamDefaultControllerBits] & PULL_AGAIN) {
controller[_readableStreamDefaultControllerBits] &= ~PULL_AGAIN;
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
}
},
e => {
if (ReadableStreamGetState(controller[_controlledReadableStream]) ===
STATE_READABLE) {
ReadableStreamDefaultControllerError(controller, e);
}
});
}
function ReadableStreamDefaultControllerShouldCallPull(controller) {
const stream = controller[_controlledReadableStream];
const state = ReadableStreamGetState(stream);
if (state === STATE_CLOSED || state === STATE_ERRORED) {
return false;
}
if (controller[_readableStreamDefaultControllerBits] & CLOSE_REQUESTED) {
return false;
}
if (!(controller[_readableStreamDefaultControllerBits] & STARTED)) {
return false;
}
if (IsReadableStreamLocked(stream) === true &&
ReadableStreamGetNumReadRequests(stream) > 0) {
return true;
}
const desiredSize =
ReadableStreamDefaultControllerGetDesiredSize(controller);
if (desiredSize > 0) {
return true;
}
return false;
}
function ReadableStreamDefaultControllerClose(controller) {
const stream = controller[_controlledReadableStream];
controller[_readableStreamDefaultControllerBits] |= CLOSE_REQUESTED;
if (controller[_queue].length === 0) {
ReadableStreamClose(stream);
}
}
function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
const stream = controller[_controlledReadableStream];
if (IsReadableStreamLocked(stream) === true &&
ReadableStreamGetNumReadRequests(stream) > 0) {
ReadableStreamFulfillReadRequest(stream, chunk, false);
} else {
let chunkSize = 1;
const strategySize = controller[_strategySize];
if (strategySize !== undefined) {
try {
chunkSize = strategySize(chunk);
} catch (chunkSizeE) {
if (ReadableStreamGetState(stream) === STATE_READABLE) {
ReadableStreamDefaultControllerError(controller, chunkSizeE);
}
throw chunkSizeE;
}
}
try {
EnqueueValueWithSize(controller, chunk, chunkSize);
} catch (enqueueE) {
if (ReadableStreamGetState(stream) === STATE_READABLE) {
ReadableStreamDefaultControllerError(controller, enqueueE);
}
throw enqueueE;
}
}
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
}
function ReadableStreamDefaultControllerError(controller, e) {
controller[_queue] = new binding.SimpleQueue();
const stream = controller[_controlledReadableStream];
ReadableStreamError(stream, e);
}
function ReadableStreamDefaultControllerGetDesiredSize(controller) {
return controller[_strategyHWM] - controller[_queueTotalSize];
}
function ReadableStreamDefaultControllerHasBackpressure(controller) {
return !ReadableStreamDefaultControllerShouldCallPull(controller);
}
function ReadableStreamDefaultControllerCanCloseOrEnqueue(controller) {
if (controller[_readableStreamDefaultControllerBits] & CLOSE_REQUESTED) {
return false;
}
const state = ReadableStreamGetState(controller[_controlledReadableStream]);
return state === STATE_READABLE;
}
function ReadableStreamGetState(stream) {
return (stream[_readableStreamBits] & STATE_MASK) >> STATE_BITS_OFFSET;
}
function ReadableStreamSetState(stream, state) {
stream[_readableStreamBits] = (stream[_readableStreamBits] & ~STATE_MASK) |
(state << STATE_BITS_OFFSET);
}
function IsReadableStreamReadable(stream) {
return ReadableStreamGetState(stream) === STATE_READABLE;
}
function IsReadableStreamClosed(stream) {
return ReadableStreamGetState(stream) === STATE_CLOSED;
}
function IsReadableStreamErrored(stream) {
return ReadableStreamGetState(stream) === STATE_ERRORED;
}
function getReadableStreamEnqueueError(stream, controller) {
if (controller[_readableStreamDefaultControllerBits] & CLOSE_REQUESTED) {
return new TypeError(errEnqueueCloseRequestedStream);
}
const state = ReadableStreamGetState(stream);
if (state === STATE_ERRORED) {
return new TypeError(errEnqueueErroredStream);
}
return new TypeError(errEnqueueClosedStream);
}
function CreateIterResultObject(value, done) {
return {value, done};
}
function getReadableStreamController(stream) {
return stream[_controller];
}
function getReadableStreamStoredError(stream) {
return stream[_storedError];
}
defineProperty(global, 'ReadableStream', {
value: ReadableStream,
enumerable: false,
configurable: true,
writable: true
});
binding.AcquireReadableStreamDefaultReader =
AcquireReadableStreamDefaultReader;
binding.IsReadableStream = IsReadableStream;
binding.IsReadableStreamDisturbed = IsReadableStreamDisturbed;
binding.IsReadableStreamLocked = IsReadableStreamLocked;
binding.IsReadableStreamReadable = IsReadableStreamReadable;
binding.IsReadableStreamClosed = IsReadableStreamClosed;
binding.IsReadableStreamErrored = IsReadableStreamErrored;
binding.IsReadableStreamDefaultReader = IsReadableStreamDefaultReader;
binding.ReadableStreamDefaultReaderRead = ReadableStreamDefaultReaderRead;
binding.ReadableStreamTee = ReadableStreamTee;
binding.ReadableStreamDefaultControllerClose =
ReadableStreamDefaultControllerClose;
binding.ReadableStreamDefaultControllerGetDesiredSize =
ReadableStreamDefaultControllerGetDesiredSize;
binding.ReadableStreamDefaultControllerEnqueue =
ReadableStreamDefaultControllerEnqueue;
binding.ReadableStreamDefaultControllerError =
ReadableStreamDefaultControllerError;
binding.createReadableStreamWithExternalController =
(underlyingSource, strategy) => {
return new ReadableStream(
underlyingSource, strategy, createWithExternalControllerSentinel);
};
binding.ReadableStream = ReadableStream;
binding.ReadableStreamDefaultControllerCanCloseOrEnqueue =
ReadableStreamDefaultControllerCanCloseOrEnqueue;
binding.ReadableStreamDefaultControllerHasBackpressure =
ReadableStreamDefaultControllerHasBackpressure;
binding.getReadableStreamEnqueueError = getReadableStreamEnqueueError;
binding.getReadableStreamController = getReadableStreamController;
binding.getReadableStreamStoredError = getReadableStreamStoredError;
});
8WritableStream��

(function(global, binding, v8) {
'use strict';
const _closeRequest = v8.createPrivateSymbol('[[closeRequest]]');
const _inFlightWriteRequest =
v8.createPrivateSymbol('[[inFlightWriteRequest]]');
const _inFlightCloseRequest =
v8.createPrivateSymbol('[[inFlightCloseRequest]]');
const _pendingAbortRequest =
v8.createPrivateSymbol('[[pendingAbortRequest]]');
const _stateAndFlags = v8.createPrivateSymbol('[[state]] and flags');
const _storedError = v8.createPrivateSymbol('[[storedError]]');
const _writableStreamController =
v8.createPrivateSymbol('[[writableStreamController]]');
const _writer = v8.createPrivateSymbol('[[writer]]');
const _writeRequests = v8.createPrivateSymbol('[[writeRequests]]');
const _closedPromise = v8.createPrivateSymbol('[[closedPromise]]');
const _ownerWritableStream =
v8.createPrivateSymbol('[[ownerWritableStream]]');
const _readyPromise = v8.createPrivateSymbol('[[readyPromise]]');
const _controlledWritableStream =
v8.createPrivateSymbol('[[controlledWritableStream]]');
const _started = v8.createPrivateSymbol('[[started]]');
const _strategyHWM = v8.createPrivateSymbol('[[strategyHWM]]');
const _strategySize = v8.createPrivateSymbol('[[strategySize]]');
const _underlyingSink = v8.createPrivateSymbol('[[underlyingSink]]');
const WRITABLE = 0;
const CLOSED = 1;
const ERRORING = 2;
const ERRORED = 3;
const STATE_MASK = 0xF;
const BACKPRESSURE_FLAG = 0x10;
const defineProperty = global.Object.defineProperty;
const Function_call = v8.uncurryThis(global.Function.prototype.call);
const TypeError = global.TypeError;
const RangeError = global.RangeError;
const Boolean = global.Boolean;
const Promise = global.Promise;
const thenPromise = v8.uncurryThis(Promise.prototype.then);
const Promise_resolve = Promise.resolve.bind(Promise);
const Promise_reject = Promise.reject.bind(Promise);
const {
_queue,
_queueTotalSize,
hasOwnPropertyNoThrow,
rejectPromise,
resolvePromise,
markPromiseAsHandled,
promiseState,
DequeueValue,
EnqueueValueWithSize,
PeekQueueValue,
ResetQueue,
ValidateAndNormalizeQueuingStrategy,
CallOrNoop1,
PromiseCallOrNoop0,
PromiseCallOrNoop1,
PromiseCallOrNoop2
} = binding.streamOperations;
const streamErrors = binding.streamErrors;
const errAbortLockedStream =
'Cannot abort a writable stream that is locked to a writer';
const errStreamAborting = 'The stream is in the process of being aborted';
const errWriterLockReleasedPrefix =
'This writable stream writer has been released and cannot be ';
const errCloseCloseRequestedStream = 'Cannot close a writable stream that ' +
'has already been requested to be closed';
const templateErrorCannotActionOnStateStream = (action, state) =>
`Cannot ${action} a ${state} writable stream`;
const errReleasedWriterClosedPromise = 'This writable stream writer has ' +
'been released and cannot be used to monitor the stream\'s state';
const verbUsedToGetTheDesiredSize = 'used to get the desiredSize';
const verbAborted = 'aborted';
const verbClosed = 'closed';
const verbWrittenTo = 'written to';
function createWriterLockReleasedError(verb) {
return new TypeError(errWriterLockReleasedPrefix + verb);
}
const stateNames = {
[CLOSED]: 'closed',
[ERRORED]: 'errored'
};
function createCannotActionOnStateStreamError(action, state) {
return new TypeError(
templateErrorCannotActionOnStateStream(action, stateNames[state]));
}
function rejectPromises(queue, e) {
queue.forEach(promise => rejectPromise(promise, e));
}
class WritableStream {
constructor(underlyingSink = {}, {size, highWaterMark = 1} = {}) {
this[_stateAndFlags] = WRITABLE;
this[_storedError] = undefined;
this[_writer] = undefined;
this[_writableStreamController] = undefined;
this[_inFlightWriteRequest] = undefined;
this[_closeRequest] = undefined;
this[_inFlightCloseRequest] = undefined;
this[_pendingAbortRequest] = undefined;
this[_writeRequests] = new binding.SimpleQueue();
const type = underlyingSink.type;
if (type !== undefined) {
throw new RangeError(streamErrors.invalidType);
}
this[_writableStreamController] = new WritableStreamDefaultController(
this, underlyingSink, size, highWaterMark);
WritableStreamDefaultControllerStartSteps(
this[_writableStreamController]);
}
get locked() {
if (!IsWritableStream(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
return IsWritableStreamLocked(this);
}
abort(reason) {
if (!IsWritableStream(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
if (IsWritableStreamLocked(this)) {
return Promise_reject(new TypeError(errAbortLockedStream));
}
return WritableStreamAbort(this, reason);
}
getWriter() {
if (!IsWritableStream(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
return AcquireWritableStreamDefaultWriter(this);
}
}
function AcquireWritableStreamDefaultWriter(stream) {
return new WritableStreamDefaultWriter(stream);
}
function IsWritableStream(x) {
return hasOwnPropertyNoThrow(x, _writableStreamController);
}
function IsWritableStreamLocked(stream) {
return stream[_writer] !== undefined;
}
function WritableStreamAbort(stream, reason) {
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === CLOSED) {
return Promise_resolve(undefined);
}
if (state === ERRORED) {
return Promise_reject(stream[_storedError]);
}
const error = new TypeError(errStreamAborting);
if (stream[_pendingAbortRequest] !== undefined) {
return Promise_reject(error);
}
const wasAlreadyErroring = state === ERRORING;
if (wasAlreadyErroring) {
reason = undefined;
}
const promise = v8.createPromise();
stream[_pendingAbortRequest] = {promise, reason, wasAlreadyErroring};
if (!wasAlreadyErroring) {
WritableStreamStartErroring(stream, error);
}
return promise;
}
function WritableStreamAddWriteRequest(stream) {
const promise = v8.createPromise();
stream[_writeRequests].push(promise);
return promise;
}
function WritableStreamDealWithRejection(stream, error) {
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === WRITABLE) {
WritableStreamStartErroring(stream, error);
return;
}
WritableStreamFinishErroring(stream);
}
function WritableStreamStartErroring(stream, reason) {
const controller = stream[_writableStreamController];
stream[_stateAndFlags] = (stream[_stateAndFlags] & ~STATE_MASK) | ERRORING;
stream[_storedError] = reason;
const writer = stream[_writer];
if (writer !== undefined) {
WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
}
if (!WritableStreamHasOperationMarkedInFlight(stream) &&
controller[_started]) {
WritableStreamFinishErroring(stream);
}
}
function WritableStreamFinishErroring(stream) {
stream[_stateAndFlags] = (stream[_stateAndFlags] & ~STATE_MASK) | ERRORED;
WritableStreamDefaultControllerErrorSteps(
stream[_writableStreamController]);
const storedError = stream[_storedError];
rejectPromises(stream[_writeRequests], storedError);
stream[_writeRequests] = new binding.SimpleQueue();
if (stream[_pendingAbortRequest] === undefined) {
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
return;
}
const abortRequest = stream[_pendingAbortRequest];
stream[_pendingAbortRequest] = undefined;
if (abortRequest.wasAlreadyErroring === true) {
rejectPromise(abortRequest.promise, storedError);
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
return;
}
const promise = WritableStreamDefaultControllerAbortSteps(
stream[_writableStreamController], abortRequest.reason);
thenPromise(
promise,
() => {
resolvePromise(abortRequest.promise, undefined);
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
},
reason => {
rejectPromise(abortRequest.promise, reason);
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
});
}
function WritableStreamFinishInFlightWrite(stream) {
resolvePromise(stream[_inFlightWriteRequest], undefined);
stream[_inFlightWriteRequest] = undefined;
}
function WritableStreamFinishInFlightWriteWithError(stream, error) {
rejectPromise(stream[_inFlightWriteRequest], error);
stream[_inFlightWriteRequest] = undefined;
WritableStreamDealWithRejection(stream, error);
}
function WritableStreamFinishInFlightClose(stream) {
resolvePromise(stream[_inFlightCloseRequest], undefined);
stream[_inFlightCloseRequest] = undefined;
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === ERRORING) {
stream[_storedError] = undefined;
if (stream[_pendingAbortRequest] !== undefined) {
resolvePromise(stream[_pendingAbortRequest].promise, undefined);
stream[_pendingAbortRequest] = undefined;
}
}
stream[_stateAndFlags] = (stream[_stateAndFlags] & ~STATE_MASK) | CLOSED;
const writer = stream[_writer];
if (writer !== undefined) {
resolvePromise(writer[_closedPromise], undefined);
}
}
function WritableStreamFinishInFlightCloseWithError(stream, error) {
rejectPromise(stream[_inFlightCloseRequest], error);
stream[_inFlightCloseRequest] = undefined;
if (stream[_pendingAbortRequest] !== undefined) {
rejectPromise(stream[_pendingAbortRequest].promise, error);
stream[_pendingAbortRequest] = undefined;
}
WritableStreamDealWithRejection(stream, error);
}
function WritableStreamCloseQueuedOrInFlight(stream) {
return stream[_closeRequest] !== undefined ||
stream[_inFlightCloseRequest] !== undefined;
}
function WritableStreamHasOperationMarkedInFlight(stream) {
return stream[_inFlightWriteRequest] !== undefined ||
stream[_inFlightCloseRequest] !== undefined;
}
function WritableStreamMarkCloseRequestInFlight(stream) {
stream[_inFlightCloseRequest] = stream[_closeRequest];
stream[_closeRequest] = undefined;
}
function WritableStreamMarkFirstWriteRequestInFlight(stream) {
const writeRequest = stream[_writeRequests].shift();
stream[_inFlightWriteRequest] = writeRequest;
}
function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
if (stream[_closeRequest] !== undefined) {
rejectPromise(stream[_closeRequest], stream[_storedError]);
stream[_closeRequest] = undefined;
}
const writer = stream[_writer];
if (writer !== undefined) {
rejectPromise(writer[_closedPromise], stream[_storedError]);
markPromiseAsHandled(writer[_closedPromise]);
}
}
function WritableStreamUpdateBackpressure(stream, backpressure) {
const writer = stream[_writer];
if (writer !== undefined &&
backpressure !== Boolean(stream[_stateAndFlags] & BACKPRESSURE_FLAG)) {
if (backpressure) {
writer[_readyPromise] = v8.createPromise();
} else {
resolvePromise(writer[_readyPromise], undefined);
}
}
if (backpressure) {
stream[_stateAndFlags] |= BACKPRESSURE_FLAG;
} else {
stream[_stateAndFlags] &= ~BACKPRESSURE_FLAG;
}
}
function isWritableStreamErrored(stream) {
return (stream[_stateAndFlags] & STATE_MASK) === ERRORED;
}
function isWritableStreamClosingOrClosed(stream) {
return WritableStreamCloseQueuedOrInFlight(stream) ||
(stream[_stateAndFlags] & STATE_MASK) === CLOSED;
}
function getWritableStreamStoredError(stream) {
return stream[_storedError];
}
function isWritableStreamWritable(stream) {
return  (stream[_stateAndFlags] & STATE_MASK) === WRITABLE;
}
function isWritableStreamErroring(stream) {
return  (stream[_stateAndFlags] & STATE_MASK) === ERRORING;
}
function getWritableStreamController(stream) {
return stream[_writableStreamController];
}
class WritableStreamDefaultWriter {
constructor(stream) {
if (!IsWritableStream(stream)) {
throw new TypeError(streamErrors.illegalConstructor);
}
if (IsWritableStreamLocked(stream)) {
throw new TypeError(streamErrors.illegalConstructor);
}
this[_ownerWritableStream] = stream;
stream[_writer] = this;
const state = stream[_stateAndFlags] & STATE_MASK;
switch (state) {
case WRITABLE: {
if (!WritableStreamCloseQueuedOrInFlight(stream) &&
stream[_stateAndFlags] & BACKPRESSURE_FLAG) {
this[_readyPromise] = v8.createPromise();
} else {
this[_readyPromise] = Promise_resolve(undefined);
}
this[_closedPromise] = v8.createPromise();
break;
}
case ERRORING: {
this[_readyPromise] = Promise_reject(stream[_storedError]);
markPromiseAsHandled(this[_readyPromise]);
this[_closedPromise] = v8.createPromise();
break;
}
case CLOSED: {
this[_readyPromise] = Promise_resolve(undefined);
this[_closedPromise] = Promise_resolve(undefined);
break;
}
default: {
const storedError = stream[_storedError];
this[_readyPromise] = Promise_reject(storedError);
markPromiseAsHandled(this[_readyPromise]);
this[_closedPromise] = Promise_reject(storedError);
markPromiseAsHandled(this[_closedPromise]);
break;
}
}
}
get closed() {
if (!IsWritableStreamDefaultWriter(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
return this[_closedPromise];
}
get desiredSize() {
if (!IsWritableStreamDefaultWriter(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
if (this[_ownerWritableStream] === undefined) {
throw createWriterLockReleasedError(verbUsedToGetTheDesiredSize);
}
return WritableStreamDefaultWriterGetDesiredSize(this);
}
get ready() {
if (!IsWritableStreamDefaultWriter(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
return this[_readyPromise];
}
abort(reason) {
if (!IsWritableStreamDefaultWriter(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
if (this[_ownerWritableStream] === undefined) {
return Promise_reject(createWriterLockReleasedError(verbAborted));
}
return WritableStreamDefaultWriterAbort(this, reason);
}
close() {
if (!IsWritableStreamDefaultWriter(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
const stream = this[_ownerWritableStream];
if (stream === undefined) {
return Promise_reject(createWriterLockReleasedError(verbClosed));
}
if (WritableStreamCloseQueuedOrInFlight(stream)) {
return Promise_reject(new TypeError(errCloseCloseRequestedStream));
}
return WritableStreamDefaultWriterClose(this);
}
releaseLock() {
if (!IsWritableStreamDefaultWriter(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
const stream = this[_ownerWritableStream];
if (stream === undefined) {
return;
}
WritableStreamDefaultWriterRelease(this);
}
write(chunk) {
if (!IsWritableStreamDefaultWriter(this)) {
return Promise_reject(new TypeError(streamErrors.illegalInvocation));
}
if (this[_ownerWritableStream] === undefined) {
return Promise_reject(createWriterLockReleasedError(verbWrittenTo));
}
return WritableStreamDefaultWriterWrite(this, chunk);
}
}
function IsWritableStreamDefaultWriter(x) {
return hasOwnPropertyNoThrow(x, _ownerWritableStream);
}
function WritableStreamDefaultWriterAbort(writer, reason) {
const stream = writer[_ownerWritableStream];
return WritableStreamAbort(stream, reason);
}
function WritableStreamDefaultWriterClose(writer) {
const stream = writer[_ownerWritableStream];
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === CLOSED || state === ERRORED) {
return Promise_reject(
createCannotActionOnStateStreamError('close', state));
}
const promise = v8.createPromise();
stream[_closeRequest] = promise;
if ((stream[_stateAndFlags] & BACKPRESSURE_FLAG) && state === WRITABLE) {
resolvePromise(writer[_readyPromise], undefined);
}
WritableStreamDefaultControllerClose(stream[_writableStreamController]);
return promise;
}
function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
const stream = writer[_ownerWritableStream];
const state = stream[_stateAndFlags] & STATE_MASK;
if (WritableStreamCloseQueuedOrInFlight(stream) || state === CLOSED) {
return Promise_resolve(undefined);
}
if (state === ERRORED) {
return Promise_reject(stream[_storedError]);
}
return WritableStreamDefaultWriterClose(writer);
}
function WritableStreamDefaultWriterEnsureClosedPromiseRejected(
writer, error) {
if (promiseState(writer[_closedPromise]) === v8.kPROMISE_PENDING) {
rejectPromise(writer[_closedPromise], error);
} else {
writer[_closedPromise] = Promise_reject(error);
}
markPromiseAsHandled(writer[_closedPromise]);
}
function WritableStreamDefaultWriterEnsureReadyPromiseRejected(
writer, error) {
if (promiseState(writer[_readyPromise]) === v8.kPROMISE_PENDING) {
rejectPromise(writer[_readyPromise], error);
} else {
writer[_readyPromise] = Promise_reject(error);
}
markPromiseAsHandled(writer[_readyPromise]);
}
function WritableStreamDefaultWriterGetDesiredSize(writer) {
const stream = writer[_ownerWritableStream];
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === ERRORED || state === ERRORING) {
return null;
}
if (state === CLOSED) {
return 0;
}
return WritableStreamDefaultControllerGetDesiredSize(
stream[_writableStreamController]);
}
function WritableStreamDefaultWriterRelease(writer) {
const stream = writer[_ownerWritableStream];
const releasedError = new TypeError(errReleasedWriterClosedPromise);
WritableStreamDefaultWriterEnsureReadyPromiseRejected(
writer, releasedError);
WritableStreamDefaultWriterEnsureClosedPromiseRejected(
writer, releasedError);
stream[_writer] = undefined;
writer[_ownerWritableStream] = undefined;
}
function WritableStreamDefaultWriterWrite(writer, chunk) {
const stream = writer[_ownerWritableStream];
const controller = stream[_writableStreamController];
const chunkSize =
WritableStreamDefaultControllerGetChunkSize(controller, chunk);
if (stream !== writer[_ownerWritableStream]) {
return Promise_reject(createWriterLockReleasedError(verbWrittenTo));
}
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === ERRORED) {
return Promise_reject(stream[_storedError]);
}
if (WritableStreamCloseQueuedOrInFlight(stream)) {
return Promise_reject(new TypeError(
templateErrorCannotActionOnStateStream('write to', 'closing')));
}
if (state === CLOSED) {
return Promise_reject(
createCannotActionOnStateStreamError('write to', CLOSED));
}
if (state === ERRORING) {
return Promise_reject(stream[_storedError]);
}
const promise = WritableStreamAddWriteRequest(stream);
WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
return promise;
}
function getWritableStreamDefaultWriterClosedPromise(writer) {
return writer[_closedPromise];
}
function getWritableStreamDefaultWriterReadyPromise(writer) {
return writer[_readyPromise];
}
class WritableStreamDefaultController {
constructor(stream, underlyingSink, size, highWaterMark) {
if (!IsWritableStream(stream)) {
throw new TypeError(streamErrors.illegalConstructor);
}
if (stream[_writableStreamController] !== undefined) {
throw new TypeError(streamErrors.illegalConstructor);
}
this[_controlledWritableStream] = stream;
this[_underlyingSink] = underlyingSink;
this[_queue] = undefined;
this[_queueTotalSize] = undefined;
ResetQueue(this);
this[_started] = false;
const normalizedStrategy =
ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
this[_strategySize] = normalizedStrategy.size;
this[_strategyHWM] = normalizedStrategy.highWaterMark;
const backpressure = WritableStreamDefaultControllerGetBackpressure(this);
WritableStreamUpdateBackpressure(stream, backpressure);
}
error(e) {
if (!IsWritableStreamDefaultController(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
const state =
this[_controlledWritableStream][_stateAndFlags] & STATE_MASK;
if (state !== WRITABLE) {
return;
}
WritableStreamDefaultControllerError(this, e);
}
}
function WritableStreamDefaultControllerAbortSteps(controller, reason) {
return PromiseCallOrNoop1(controller[_underlyingSink], 'abort', reason,
'underlyingSink.abort');
}
function WritableStreamDefaultControllerErrorSteps(controller) {
ResetQueue(controller);
}
function WritableStreamDefaultControllerStartSteps(controller) {
const startResult = CallOrNoop1(controller[_underlyingSink], 'start',
controller, 'underlyingSink.start');
const stream = controller[_controlledWritableStream];
const startPromise = Promise_resolve(startResult);
thenPromise(
startPromise,
() => {
controller[_started] = true;
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
},
r => {
controller[_started] = true;
WritableStreamDealWithRejection(stream, r);
});
}
function IsWritableStreamDefaultController(x) {
return hasOwnPropertyNoThrow(x, _underlyingSink);
}
function WritableStreamDefaultControllerClose(controller) {
EnqueueValueWithSize(controller, 'close', 0);
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
}
function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
const strategySize = controller[_strategySize];
if (strategySize === undefined) {
return 1;
}
let value;
try {
value = Function_call(strategySize, undefined, chunk);
} catch (e) {
WritableStreamDefaultControllerErrorIfNeeded(controller, e);
return 1;
}
return value;
}
function WritableStreamDefaultControllerGetDesiredSize(controller) {
return controller[_strategyHWM] - controller[_queueTotalSize];
}
function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
const writeRecord = {chunk};
try {
EnqueueValueWithSize(controller, writeRecord, chunkSize);
} catch (e) {
WritableStreamDefaultControllerErrorIfNeeded(controller, e);
return;
}
const stream = controller[_controlledWritableStream];
if (!WritableStreamCloseQueuedOrInFlight(stream) &&
(stream[_stateAndFlags] & STATE_MASK) === WRITABLE) {
const backpressure =
WritableStreamDefaultControllerGetBackpressure(controller);
WritableStreamUpdateBackpressure(stream, backpressure);
}
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
}
function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
const stream = controller[_controlledWritableStream];
if (!controller[_started]) {
return;
}
if (stream[_inFlightWriteRequest] !== undefined) {
return;
}
const state = stream[_stateAndFlags] & STATE_MASK;
if (state === CLOSED || state === ERRORED) {
return;
}
if (state === ERRORING) {
WritableStreamFinishErroring(stream);
return;
}
if (controller[_queue].length === 0) {
return;
}
const writeRecord = PeekQueueValue(controller);
if (writeRecord === 'close') {
WritableStreamDefaultControllerProcessClose(controller);
} else {
WritableStreamDefaultControllerProcessWrite(
controller, writeRecord.chunk);
}
}
function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
const state =
controller[_controlledWritableStream][_stateAndFlags] & STATE_MASK;
if (state === WRITABLE) {
WritableStreamDefaultControllerError(controller, error);
}
}
function WritableStreamDefaultControllerProcessClose(controller) {
const stream = controller[_controlledWritableStream];
WritableStreamMarkCloseRequestInFlight(stream);
DequeueValue(controller);
const sinkClosePromise =
PromiseCallOrNoop0(controller[_underlyingSink], 'close',
'underlyingSink.close');
thenPromise(
sinkClosePromise, () => WritableStreamFinishInFlightClose(stream),
reason => WritableStreamFinishInFlightCloseWithError(stream, reason));
}
function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
const stream = controller[_controlledWritableStream];
WritableStreamMarkFirstWriteRequestInFlight(stream);
const sinkWritePromise = PromiseCallOrNoop2(
controller[_underlyingSink], 'write', chunk, controller,
'underlyingSink.write');
thenPromise(
sinkWritePromise,
() => {
WritableStreamFinishInFlightWrite(stream);
const state = stream[_stateAndFlags] & STATE_MASK;
DequeueValue(controller);
if (!WritableStreamCloseQueuedOrInFlight(stream) &&
state === WRITABLE) {
const backpressure =
WritableStreamDefaultControllerGetBackpressure(controller);
WritableStreamUpdateBackpressure(stream, backpressure);
}
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
},
reason => {
WritableStreamFinishInFlightWriteWithError(stream, reason);
});
}
function WritableStreamDefaultControllerGetBackpressure(controller) {
const desiredSize =
WritableStreamDefaultControllerGetDesiredSize(controller);
return desiredSize <= 0;
}
function WritableStreamDefaultControllerError(controller, error) {
const stream = controller[_controlledWritableStream];
WritableStreamStartErroring(stream, error);
}
defineProperty(global, 'WritableStream', {
value: WritableStream,
enumerable: false,
configurable: true,
writable: true
});
binding.AcquireWritableStreamDefaultWriter =
AcquireWritableStreamDefaultWriter;
binding.IsWritableStream = IsWritableStream;
binding.isWritableStreamClosingOrClosed = isWritableStreamClosingOrClosed;
binding.isWritableStreamErrored = isWritableStreamErrored;
binding.IsWritableStreamLocked = IsWritableStreamLocked;
binding.WritableStreamAbort = WritableStreamAbort;
binding.WritableStreamDefaultWriterCloseWithErrorPropagation =
WritableStreamDefaultWriterCloseWithErrorPropagation;
binding.getWritableStreamDefaultWriterClosedPromise =
getWritableStreamDefaultWriterClosedPromise;
binding.WritableStreamDefaultWriterGetDesiredSize =
WritableStreamDefaultWriterGetDesiredSize;
binding.getWritableStreamDefaultWriterReadyPromise =
getWritableStreamDefaultWriterReadyPromise;
binding.WritableStreamDefaultWriterRelease =
WritableStreamDefaultWriterRelease;
binding.WritableStreamDefaultWriterWrite = WritableStreamDefaultWriterWrite;
binding.getWritableStreamStoredError = getWritableStreamStoredError;
binding.WritableStream = WritableStream;
binding.WritableStreamDefaultControllerErrorIfNeeded =
WritableStreamDefaultControllerErrorIfNeeded;
binding.isWritableStreamWritable = isWritableStreamWritable;
binding.isWritableStreamErroring = isWritableStreamErroring;
binding.getWritableStreamController = getWritableStreamController;
});
<TransformStream��
(function(global, binding, v8) {
'use strict';
const _backpressure = v8.createPrivateSymbol('[[backpressure]]');
const _backpressureChangePromise =
v8.createPrivateSymbol('[[backpressureChangePromise]]');
const _readable = v8.createPrivateSymbol('[[readable]]');
const _transformer = v8.createPrivateSymbol('[[transformer]]');
const _transformStreamController =
v8.createPrivateSymbol('[[transformStreamController]]');
const _writable = v8.createPrivateSymbol('[[writable]]');
const _controlledTransformStream =
v8.createPrivateSymbol('[[controlledTransformStream]]');
const _ownerTransformStream =
v8.createPrivateSymbol('[[ownerTransformStream]]');
const _startPromise = v8.createPrivateSymbol('[[startPromise]]');
const defineProperty = global.Object.defineProperty;
const Function_call = v8.uncurryThis(global.Function.prototype.call);
const TypeError = global.TypeError;
const RangeError = global.RangeError;
const Promise = global.Promise;
const thenPromise = v8.uncurryThis(Promise.prototype.then);
const Promise_resolve = Promise.resolve.bind(Promise);
const Promise_reject = Promise.reject.bind(Promise);
const {
hasOwnPropertyNoThrow,
resolvePromise,
CallOrNoop1,
PromiseCallOrNoop1
} = binding.streamOperations;
const streamErrors = binding.streamErrors;
const errWritableStreamAborted = 'The writable stream has been aborted';
const errStreamTerminated = 'The transform stream has been terminated';
const templateErrorIsNotAFunction = f => `${f} is not a function`;
class TransformStream {
constructor(
transformer = {}, writableStrategy = undefined,
{size, highWaterMark = 0} = {}) {
this[_transformer] = transformer;
const readableType = transformer.readableType;
if (readableType !== undefined) {
throw new RangeError(streamErrors.invalidType);
}
const writableType = transformer.writableType;
if (writableType !== undefined) {
throw new RangeError(streamErrors.invalidType);
}
this[_transformStreamController] = undefined;
const controller = new TransformStreamDefaultController(this);
this[_transformStreamController] = controller;
const startPromise = v8.createPromise();
const source = new TransformStreamDefaultSource(this, startPromise);
const readableStrategy = {size, highWaterMark};
this[_readable] = new binding.ReadableStream(source, readableStrategy);
const sink = new TransformStreamDefaultSink(this, startPromise);
this[_writable] = new binding.WritableStream(sink, writableStrategy);
TransformStreamSetBackpressure(this, true);
const startResult = CallOrNoop1(transformer, 'start', controller,
'transformer.start');
resolvePromise(startPromise, startResult);
}
get readable() {
if (!IsTransformStream(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
return this[_readable];
}
get writable() {
if (!IsTransformStream(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
return this[_writable];
}
}
function IsTransformStream(x) {
return hasOwnPropertyNoThrow(x, _transformStreamController);
}
function TransformStreamError(stream, e) {
const readable = stream[_readable];
if (binding.IsReadableStreamReadable(readable)) {
binding.ReadableStreamDefaultControllerError(
binding.getReadableStreamController(readable), e);
}
TransformStreamErrorWritableAndUnblockWrite(stream, e);
}
function TransformStreamErrorWritableAndUnblockWrite(stream, e) {
binding.WritableStreamDefaultControllerErrorIfNeeded(
binding.getWritableStreamController(stream[_writable]), e);
if (stream[_backpressure]) {
TransformStreamSetBackpressure(stream, false);
}
}
function TransformStreamSetBackpressure(stream, backpressure) {
if (stream[_backpressureChangePromise] !== undefined) {
resolvePromise(stream[_backpressureChangePromise], undefined);
}
stream[_backpressureChangePromise] = v8.createPromise();
stream[_backpressure] = backpressure;
}
class TransformStreamDefaultController {
constructor(stream) {
if (!IsTransformStream(stream)) {
throw new TypeError(streamErrors.illegalConstructor);
}
if (stream[_transformStreamController] !== undefined) {
throw new TypeError(streamErrors.illegalConstructor);
}
this[_controlledTransformStream] = stream;
}
get desiredSize() {
if (!IsTransformStreamDefaultController(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
const readableController = binding.getReadableStreamController(
this[_controlledTransformStream][_readable]);
return binding.ReadableStreamDefaultControllerGetDesiredSize(
readableController);
}
enqueue(chunk) {
if (!IsTransformStreamDefaultController(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
TransformStreamDefaultControllerEnqueue(this, chunk);
}
error(reason) {
if (!IsTransformStreamDefaultController(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
TransformStreamDefaultControllerError(this, reason);
}
terminate() {
if (!IsTransformStreamDefaultController(this)) {
throw new TypeError(streamErrors.illegalInvocation);
}
TransformStreamDefaultControllerTerminate(this);
}
}
function IsTransformStreamDefaultController(x) {
return hasOwnPropertyNoThrow(x, _controlledTransformStream);
}
function TransformStreamDefaultControllerEnqueue(controller, chunk) {
const stream = controller[_controlledTransformStream];
const readableController =
binding.getReadableStreamController(stream[_readable]);
if (!binding.ReadableStreamDefaultControllerCanCloseOrEnqueue(
readableController)) {
throw binding.getReadableStreamEnqueueError(stream[_readable]);
}
try {
binding.ReadableStreamDefaultControllerEnqueue(readableController, chunk);
} catch (e) {
TransformStreamErrorWritableAndUnblockWrite(stream, e);
throw binding.getReadableStreamStoredError(stream[_readable]);
}
const backpressure = binding.ReadableStreamDefaultControllerHasBackpressure(
readableController);
if (backpressure !== stream[_backpressure]) {
TransformStreamSetBackpressure(stream, true);
}
}
function TransformStreamDefaultControllerError(controller, e) {
TransformStreamError(controller[_controlledTransformStream], e);
}
function TransformStreamDefaultControllerTerminate(controller) {
const stream = controller[_controlledTransformStream];
const readableController =
binding.getReadableStreamController(stream[_readable]);
if (binding.ReadableStreamDefaultControllerCanCloseOrEnqueue(
readableController)) {
binding.ReadableStreamDefaultControllerClose(readableController);
}
const error = new TypeError(errStreamTerminated);
TransformStreamErrorWritableAndUnblockWrite(stream, error);
}
class TransformStreamDefaultSink {
constructor(stream, startPromise) {
this[_ownerTransformStream] = stream;
this[_startPromise] = startPromise;
}
start() {
const startPromise = this[_startPromise];
this[_startPromise] = undefined;
return startPromise;
}
write(chunk) {
const stream = this[_ownerTransformStream];
if (stream[_backpressure]) {
const backpressureChangePromise = stream[_backpressureChangePromise];
return thenPromise(backpressureChangePromise, () => {
const writable = stream[_writable];
if (binding.isWritableStreamErroring(writable)) {
throw binding.getWritableStreamStoredError(writable);
}
return TransformStreamDefaultSinkTransform(this, chunk);
});
}
return TransformStreamDefaultSinkTransform(this, chunk);
}
abort() {
const e = new TypeError(errWritableStreamAborted);
TransformStreamError(this[_ownerTransformStream], e);
}
close() {
const stream = this[_ownerTransformStream];
const readable = stream[_readable];
const flushPromise = PromiseCallOrNoop1(
stream[_transformer], 'flush', stream[_transformStreamController],
'transformer.flush');
return thenPromise(
flushPromise,
() => {
if (binding.IsReadableStreamErrored(readable)) {
throw binding.getReadableStreamStoredError(readable);
}
const readableController =
binding.getReadableStreamController(readable);
if (binding.ReadableStreamDefaultControllerCanCloseOrEnqueue(
readableController)) {
binding.ReadableStreamDefaultControllerClose(readableController);
}
},
r => {
TransformStreamError(stream, r);
throw binding.getReadableStreamStoredError(readable);
});
}
}
function TransformStreamDefaultSinkInvokeTransform(stream, chunk) {
const controller = stream[_transformStreamController];
const transformer = stream[_transformer];
const method = transformer.transform;
if (method === undefined) {
TransformStreamDefaultControllerEnqueue(controller, chunk);
return undefined;
}
if (typeof method !== 'function') {
throw new TypeError(templateErrorIsNotAFunction('transform'));
}
return Function_call(method, transformer, chunk, controller);
}
function TransformStreamDefaultSinkTransform(sink, chunk) {
const stream = sink[_ownerTransformStream];
let transformPromise;
try {
transformPromise = Promise_resolve(
TransformStreamDefaultSinkInvokeTransform(stream, chunk));
} catch (e) {
transformPromise = Promise_reject(e);
}
return thenPromise(transformPromise, undefined, e => {
TransformStreamError(stream, e);
throw e;
});
}
class TransformStreamDefaultSource {
constructor(stream, startPromise) {
this[_ownerTransformStream] = stream;
this[_startPromise] = startPromise;
}
start() {
const startPromise = this[_startPromise];
this[_startPromise] = undefined;
return startPromise;
}
pull() {
const stream = this[_ownerTransformStream];
TransformStreamSetBackpressure(stream, false);
return stream[_backpressureChangePromise];
}
cancel(reason) {
TransformStreamErrorWritableAndUnblockWrite(
this[_ownerTransformStream], reason);
}
}
defineProperty(global, 'TransformStream', {
value: TransformStream,
enumerable: false,
configurable: true,
writable: true
});
});