bdde081050
Added test to ensure that release notes are parsed properly Updated to latest dependencies to fix security vulnerability Updated GH Actions Workflow to run test before updating tag Updated README.md to reflect proper whatsnew documentation.
54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $ArrayPrototype = GetIntrinsic('%Array.prototype%');
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var $RangeError = GetIntrinsic('%RangeError%');
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var $SyntaxError = GetIntrinsic('%SyntaxError%');
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var $TypeError = GetIntrinsic('%TypeError%');
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var IsInteger = require('./IsInteger');
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var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1;
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var $setProto = GetIntrinsic('%Object.setPrototypeOf%', true) || (
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// eslint-disable-next-line no-proto, no-negated-condition
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[].__proto__ !== $ArrayPrototype
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? null
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: function (O, proto) {
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O.__proto__ = proto; // eslint-disable-line no-proto, no-param-reassign
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return O;
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}
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);
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// https://www.ecma-international.org/ecma-262/6.0/#sec-arraycreate
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module.exports = function ArrayCreate(length) {
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if (!IsInteger(length) || length < 0) {
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throw new $TypeError('Assertion failed: `length` must be an integer Number >= 0');
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}
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if (length > MAX_ARRAY_LENGTH) {
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throw new $RangeError('length is greater than (2**32 - 1)');
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}
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var proto = arguments.length > 1 ? arguments[1] : $ArrayPrototype;
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var A = []; // steps 5 - 7, and 9
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if (proto !== $ArrayPrototype) { // step 8
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if (!$setProto) {
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throw new $SyntaxError('ArrayCreate: a `proto` argument that is not `Array.prototype` is not supported in an environment that does not support setting the [[Prototype]]');
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}
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$setProto(A, proto);
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}
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if (length !== 0) { // bypasses the need for step 2
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A.length = length;
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}
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/* step 10, the above as a shortcut for the below
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OrdinaryDefineOwnProperty(A, 'length', {
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'[[Configurable]]': false,
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'[[Enumerable]]': false,
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'[[Value]]': length,
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'[[Writable]]': true
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});
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*/
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return A;
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};
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