Show More
Commit Description:
fix wrong merge on user
Commit Description:
fix wrong merge on user
References:
File last commit:
Show/Diff file:
Action:
node_modules/es5-ext/array/#/copy-within/shim.js
| 45 lines
| 1.2 KiB
| application/javascript
| JavascriptLexer
|
| r789 | // Taken from: https://github.com/paulmillr/es6-shim/ | |||
| "use strict"; | ||||
| var toInteger = require("../../../number/to-integer") | ||||
| , toPosInt = require("../../../number/to-pos-integer") | ||||
| , validValue = require("../../../object/valid-value") | ||||
| , objHasOwnProperty = Object.prototype.hasOwnProperty | ||||
| , max = Math.max | ||||
| , min = Math.min; | ||||
| module.exports = function (target, start/*, end*/) { | ||||
| var arr = validValue(this) | ||||
| , end = arguments[2] | ||||
| , length = toPosInt(arr.length) | ||||
| , to | ||||
| , from | ||||
| , fin | ||||
| , count | ||||
| , direction; | ||||
| target = toInteger(target); | ||||
| start = toInteger(start); | ||||
| end = end === undefined ? length : toInteger(end); | ||||
| to = target < 0 ? max(length + target, 0) : min(target, length); | ||||
| from = start < 0 ? max(length + start, 0) : min(start, length); | ||||
| fin = end < 0 ? max(length + end, 0) : min(end, length); | ||||
| count = min(fin - from, length - to); | ||||
| direction = 1; | ||||
| if (from < to && to < from + count) { | ||||
| direction = -1; | ||||
| from += count - 1; | ||||
| to += count - 1; | ||||
| } | ||||
| while (count > 0) { | ||||
| if (objHasOwnProperty.call(arr, from)) arr[to] = arr[from]; | ||||
| else delete arr[from]; | ||||
| from += direction; | ||||
| to += direction; | ||||
| count -= 1; | ||||
| } | ||||
| return arr; | ||||
| }; | ||||