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- `SameValueNonNumeric` -> `SameValueNonNumber`, now allows BigInts - removed `BigInt::sameValue` and `BigInt::sameValueZero` - rename `EnumerableOwnPropertyNames` -> `EnumerableOwnProperties` - rename `IterableToList` -> `IteratorToList` - added: - `CanBeHeldWeakly` - `CompareArrayElements` - `CompareTypedArrayElements` - `FindViaPredicate` - `GetIteratorFromMethod` - `GetUTCEpochNanoseconds` - `IsTimeZoneOffsetString` - `KeyForSymbol` - `ParseHexOctet` - `truncate` - `TypedArrayCreateSameType` - `GetIterator`: now returns an Iterator Record instead of an iterator - `IteratorStep`, `IteratorNext`, `IteratorClose`: now takes an Iterator Record instead of an iterator - `WordCharacters`, `IsWordChar`, `Canonicalize`: now take a RegExp Record - `SortIndexProperties` now takes a `holes` enum argument - `BigInt::toString` and `Number::toString` now take a `radix` argument
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Original file line number | Diff line number | Diff line change |
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'use strict'; | ||
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var inspect = require('object-inspect'); | ||
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var GetIntrinsic = require('get-intrinsic'); | ||
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var $TypeError = GetIntrinsic('%TypeError%'); | ||
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var Call = require('./Call'); | ||
var Get = require('./Get'); | ||
var GetIterator = require('./GetIterator'); | ||
var IsCallable = require('./IsCallable'); | ||
var IteratorClose = require('./IteratorClose'); | ||
var IteratorStep = require('./IteratorStep'); | ||
var IteratorValue = require('./IteratorValue'); | ||
var ThrowCompletion = require('./ThrowCompletion'); | ||
var Type = require('./Type'); | ||
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// https://262.ecma-international.org/14.0/#sec-add-entries-from-iterable | ||
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module.exports = function AddEntriesFromIterable(target, iterable, adder) { | ||
if (!IsCallable(adder)) { | ||
throw new $TypeError('Assertion failed: `adder` is not callable'); | ||
} | ||
if (iterable == null) { | ||
throw new $TypeError('Assertion failed: `iterable` is present, and not nullish'); | ||
} | ||
var iteratorRecord = GetIterator(iterable, 'sync'); | ||
while (true) { // eslint-disable-line no-constant-condition | ||
var next = IteratorStep(iteratorRecord); | ||
if (!next) { | ||
return target; | ||
} | ||
var nextItem = IteratorValue(next); | ||
if (Type(nextItem) !== 'Object') { | ||
var error = ThrowCompletion(new $TypeError('iterator next must return an Object, got ' + inspect(nextItem))); | ||
return IteratorClose(iteratorRecord, error); | ||
} | ||
try { | ||
var k = Get(nextItem, '0'); | ||
var v = Get(nextItem, '1'); | ||
Call(adder, target, [k, v]); | ||
} catch (e) { | ||
return IteratorClose(iteratorRecord, ThrowCompletion(e)); | ||
} | ||
} | ||
}; |
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