39 lines
939 B
Plaintext
39 lines
939 B
Plaintext
'use strict';
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var $TypeError = require('es-errors/type');
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var Call = require('es-abstract/2023/Call');
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var Get = require('es-abstract/2023/Get');
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var IsCallable = require('es-abstract/2023/IsCallable');
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var LengthOfArrayLike = require('es-abstract/2023/LengthOfArrayLike');
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var ToBoolean = require('es-abstract/2023/ToBoolean');
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var ToObject = require('es-abstract/2023/ToObject');
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var ToString = require('es-abstract/2023/ToString');
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module.exports = function findLastIndex(predicate) {
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var O = ToObject(this);
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var len = LengthOfArrayLike(O);
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if (!IsCallable(predicate)) {
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throw new $TypeError('predicate must be a function');
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}
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var thisArg;
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if (arguments.length > 1) {
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thisArg = arguments[1];
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}
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var k = len - 1;
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while (k >= 0) {
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var Pk = ToString(k);
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var kValue = Get(O, Pk);
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var testResult = ToBoolean(Call(predicate, thisArg, [kValue, k, O]));
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if (testResult) {
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return k;
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}
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k -= 1;
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}
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return -1;
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};
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