diff options
| 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/core-js/library/modules/_array-includes.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
switch to vuepress
Diffstat (limited to 'node_modules/core-js/library/modules/_array-includes.js')
| -rw-r--r-- | node_modules/core-js/library/modules/_array-includes.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/node_modules/core-js/library/modules/_array-includes.js b/node_modules/core-js/library/modules/_array-includes.js new file mode 100644 index 00000000..0ef3efeb --- /dev/null +++ b/node_modules/core-js/library/modules/_array-includes.js @@ -0,0 +1,23 @@ +// false -> Array#indexOf +// true -> Array#includes +var toIObject = require('./_to-iobject'); +var toLength = require('./_to-length'); +var toAbsoluteIndex = require('./_to-absolute-index'); +module.exports = function (IS_INCLUDES) { + return function ($this, el, fromIndex) { + var O = toIObject($this); + var length = toLength(O.length); + var index = toAbsoluteIndex(fromIndex, length); + var value; + // Array#includes uses SameValueZero equality algorithm + // eslint-disable-next-line no-self-compare + if (IS_INCLUDES && el != el) while (length > index) { + value = O[index++]; + // eslint-disable-next-line no-self-compare + if (value != value) return true; + // Array#indexOf ignores holes, Array#includes - not + } else for (;length > index; index++) if (IS_INCLUDES || index in O) { + if (O[index] === el) return IS_INCLUDES || index || 0; + } return !IS_INCLUDES && -1; + }; +}; |
