33 lines
856 B
Plaintext
33 lines
856 B
Plaintext
'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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