| Path : /var/www/html/infraai.ai/frontend/node_modules/core-js/internals/ |
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/core-js/internals/array-reduce.js |
'use strict';
var aCallable = require('../internals/a-callable');
var toObject = require('../internals/to-object');
var IndexedObject = require('../internals/indexed-object');
var lengthOfArrayLike = require('../internals/length-of-array-like');
var $TypeError = TypeError;
var REDUCE_EMPTY = 'Reduce of empty array with no initial value';
// `Array.prototype.{ reduce, reduceRight }` methods implementation
var createMethod = function (IS_RIGHT) {
return function (that, callbackfn, argumentsLength, memo) {
var O = toObject(that);
var self = IndexedObject(O);
var length = lengthOfArrayLike(O);
aCallable(callbackfn);
if (length === 0 && argumentsLength < 2) throw new $TypeError(REDUCE_EMPTY);
var index = IS_RIGHT ? length - 1 : 0;
var i = IS_RIGHT ? -1 : 1;
if (argumentsLength < 2) while (true) {
if (index in self) {
memo = self[index];
index += i;
break;
}
index += i;
if (IS_RIGHT ? index < 0 : length <= index) {
throw new $TypeError(REDUCE_EMPTY);
}
}
for (;IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {
memo = callbackfn(memo, self[index], index, O);
}
return memo;
};
};
module.exports = {
// `Array.prototype.reduce` method
// https://tc39.es/ecma262/#sec-array.prototype.reduce
left: createMethod(false),
// `Array.prototype.reduceRight` method
// https://tc39.es/ecma262/#sec-array.prototype.reduceright
right: createMethod(true)
};