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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/array-unique/index.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/array-unique/index.js')
| -rw-r--r-- | node_modules/array-unique/index.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/node_modules/array-unique/index.js b/node_modules/array-unique/index.js new file mode 100644 index 00000000..7e481e07 --- /dev/null +++ b/node_modules/array-unique/index.js @@ -0,0 +1,43 @@ +/*! + * array-unique <https://github.com/jonschlinkert/array-unique> + * + * Copyright (c) 2014-2015, Jon Schlinkert. + * Licensed under the MIT License. + */ + +'use strict'; + +module.exports = function unique(arr) { + if (!Array.isArray(arr)) { + throw new TypeError('array-unique expects an array.'); + } + + var len = arr.length; + var i = -1; + + while (i++ < len) { + var j = i + 1; + + for (; j < arr.length; ++j) { + if (arr[i] === arr[j]) { + arr.splice(j--, 1); + } + } + } + return arr; +}; + +module.exports.immutable = function uniqueImmutable(arr) { + if (!Array.isArray(arr)) { + throw new TypeError('array-unique expects an array.'); + } + + var arrLen = arr.length; + var newArr = new Array(arrLen); + + for (var i = 0; i < arrLen; i++) { + newArr[i] = arr[i]; + } + + return module.exports(newArr); +}; |
