1234567891011121314151617181920212223242526272829303132 |
- 'use strict';
- var $TypeError = require('es-errors/type');
- var CanonicalizeKeyedCollectionKey = require('./CanonicalizeKeyedCollectionKey');
- var SameValue = require('./SameValue');
- var isArray = require('../helpers/IsArray');
- // https://262.ecma-international.org/16.0/#sec-setdataindex
- module.exports = function SetDataIndex(setData, value) {
- if (!isArray(setData) && setData !== 'EMPTY') {
- throw new $TypeError('Assertion failed: `setData` must be a List or ~EMPTY~');
- }
- var canonValue = CanonicalizeKeyedCollectionKey(value); // step 1
- var size = setData.length; // step 2
- var index = 0; // step 3
- while (index < size) { // step 4
- var e = setData[index]; // step 4.a
- if (/* e !== ~EMPTY~ && */ SameValue(e, canonValue)) { // step 4.b
- return index; // step 4.b.i
- }
- index += 1; // step 4.c
- }
- return 'NOT-FOUND'; // step 5
- };
|