overseer/node_modules/es5-ext/array/generate.js

19 lines
504 B
JavaScript

"use strict";
var toPosInt = require("../number/to-pos-integer")
, value = require("../object/valid-value")
, slice = Array.prototype.slice;
module.exports = function (length /*, …fill*/) {
var arr, currentLength;
length = toPosInt(value(length));
if (length === 0) return [];
arr = arguments.length < 2 ? [undefined] : slice.call(arguments, 1, 1 + length);
while ((currentLength = arr.length) < length) {
arr = arr.concat(arr.slice(0, length - currentLength));
}
return arr;
};