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32 lines
856 B
32 lines
856 B
'use strict'; |
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var $TypeError = require('es-errors/type'); |
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var CanonicalizeKeyedCollectionKey = require('./CanonicalizeKeyedCollectionKey'); |
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var SameValue = require('./SameValue'); |
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var isArray = require('../helpers/IsArray'); |
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// https://262.ecma-international.org/16.0/#sec-setdataindex |
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module.exports = function SetDataIndex(setData, value) { |
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if (!isArray(setData) && setData !== 'EMPTY') { |
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throw new $TypeError('Assertion failed: `setData` must be a List or ~EMPTY~'); |
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} |
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var canonValue = CanonicalizeKeyedCollectionKey(value); // step 1 |
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var size = setData.length; // step 2 |
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var index = 0; // step 3 |
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while (index < size) { // step 4 |
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var e = setData[index]; // step 4.a |
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if (/* e !== ~EMPTY~ && */ SameValue(e, canonValue)) { // step 4.b |
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return index; // step 4.b.i |
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} |
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index += 1; // step 4.c |
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} |
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return 'NOT-FOUND'; // step 5 |
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};
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