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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/remove-array-items/index.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/remove-array-items/index.js')
| -rw-r--r-- | node_modules/remove-array-items/index.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/remove-array-items/index.js b/node_modules/remove-array-items/index.js new file mode 100644 index 00000000..468daddc --- /dev/null +++ b/node_modules/remove-array-items/index.js @@ -0,0 +1,28 @@ +'use strict' + +/** + * Remove a range of items from an array + * + * @function removeItems + * @param {Array<*>} arr The target array + * @param {number} startIdx The index to begin removing from (inclusive) + * @param {number} removeCount How many items to remove + */ +module.exports = function removeItems(arr, startIdx, removeCount) +{ + var i, length = arr.length + + if (startIdx >= length || removeCount === 0) { + return + } + + removeCount = (startIdx + removeCount > length ? length - startIdx : removeCount) + + var len = length - removeCount + + for (i = startIdx; i < len; ++i) { + arr[i] = arr[i + removeCount] + } + + arr.length = len +} |
