公共组件、公共样式集合
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'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
};