23 lines
539 B
JavaScript
23 lines
539 B
JavaScript
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'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var StringIndexOf = require('./StringIndexOf');
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var Type = require('./Type');
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// https://262.ecma-international.org/13.0/#sec-isstringprefix
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module.exports = function IsStringPrefix(p, q) {
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if (Type(p) !== 'String') {
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throw new $TypeError('Assertion failed: "p" must be a String');
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}
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if (Type(q) !== 'String') {
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throw new $TypeError('Assertion failed: "q" must be a String');
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}
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return StringIndexOf(q, p, 0) === 0;
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};
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