Spaces:
Configuration error
Configuration error
File size: 897 Bytes
5641073 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 |
'use strict';
var Call = require('es-abstract/2023/Call');
var Get = require('es-abstract/2023/Get');
var IsCallable = require('es-abstract/2023/IsCallable');
var LengthOfArrayLike = require('es-abstract/2023/LengthOfArrayLike');
var ToBoolean = require('es-abstract/2023/ToBoolean');
var ToObject = require('es-abstract/2023/ToObject');
var ToString = require('es-abstract/2023/ToString');
module.exports = function findIndex(predicate) {
var O = ToObject(this);
var len = LengthOfArrayLike(O);
if (!IsCallable(predicate)) {
throw new TypeError('Array#findIndex: predicate must be a function');
}
var thisArg = arguments.length > 1 ? arguments[1] : void undefined;
var k = 0;
while (k < len) {
var Pk = ToString(k);
var kValue = Get(O, Pk);
var testResult = ToBoolean(Call(predicate, thisArg, [kValue, k, O]));
if (testResult) {
return k;
}
k += 1;
}
return -1;
};
|