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Issue #2551 - Initial attempt at toSorted implementation

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Basilisk-Dev 2026-02-04 09:53:46 -05:00 • committed by wuggy
commit 18c04a471d
3 changed files with 27 additions and 1 deletions
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23
js/src/builtin/Array.js
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@ -253,6 +253,29 @@ function ArraySort(comparefn) {
return MergeSort(O, len, comparefn); return MergeSort(O, len, comparefn);
} }
// ES2023 22.1.3.30 Array.prototype.toSorted ( comparefn )
function ArrayToSorted(comparefn) {
if (comparefn !== undefined) {
if (!IsCallable(comparefn)) {
ThrowTypeError(JSMSG_NOT_FUNCTION, DecompileArg(0, comparefn));
}
}
var O = ToObject(this);
var len = ToLength(O.length);
var A = ArraySpeciesCreate(O, len);
for (var k = 0; k < len; k++) {
if (k in O)
_DefineDataProperty(A, k, O[k]);
else
delete A[k];
}
callFunction(std_Array_sort, A, comparefn);
return A;
}
/* ES5 15.4.4.18. */ /* ES5 15.4.4.18. */
function ArrayForEach(callbackfn/*, thisArg*/) { function ArrayForEach(callbackfn/*, thisArg*/) {
/* Step 1. */ /* Step 1. */

4
js/src/jsarray.cpp
View file

@ -3227,6 +3227,7 @@ static const JSFunctionSpec array_methods[] = {
/* ES2023 proposals */ /* ES2023 proposals */
JS_SELF_HOSTED_FN("findLast", "ArrayFindLast", 1,0), JS_SELF_HOSTED_FN("findLast", "ArrayFindLast", 1,0),
JS_SELF_HOSTED_FN("findLastIndex", "ArrayFindLastIndex", 1,0), JS_SELF_HOSTED_FN("findLastIndex", "ArrayFindLastIndex", 1,0),
JS_SELF_HOSTED_FN("toSorted", "ArrayToSorted", 1,0),
JS_FS_END JS_FS_END
}; };
@ -3401,7 +3402,8 @@ array_proto_finish(JSContext* cx, JS::HandleObject ctor, JS::HandleObject proto)
!DefineProperty(cx, unscopables, cx->names().flatMap, value) || !DefineProperty(cx, unscopables, cx->names().flatMap, value) ||
!DefineProperty(cx, unscopables, cx->names().includes, value) || !DefineProperty(cx, unscopables, cx->names().includes, value) ||
!DefineProperty(cx, unscopables, cx->names().keys, value) || !DefineProperty(cx, unscopables, cx->names().keys, value) ||
!DefineProperty(cx, unscopables, cx->names().values, value)) !DefineProperty(cx, unscopables, cx->names().values, value) ||
!DefineProperty(cx, unscopables, cx->names().toSorted, value))
{ {
return false; return false;
} }

1
js/src/vm/CommonPropertyNames.h
View file

@ -429,6 +429,7 @@
macro(toJSON, toJSON, "toJSON") \ macro(toJSON, toJSON, "toJSON") \
macro(toLocaleString, toLocaleString, "toLocaleString") \ macro(toLocaleString, toLocaleString, "toLocaleString") \
macro(toSource, toSource, "toSource") \ macro(toSource, toSource, "toSource") \
macro(toSorted, toSorted, "toSorted") \
macro(toString, toString, "toString") \ macro(toString, toString, "toString") \
macro(toUTCString, toUTCString, "toUTCString") \ macro(toUTCString, toUTCString, "toUTCString") \
macro(true, true_, "true") \ macro(true, true_, "true") \