source: frontend/node_modules/es-abstract/2025/SetDataIndex.js

'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
};