diff options
Diffstat (limited to 'node_modules/core-js/modules/es6.array.slice.js')
| -rw-r--r-- | node_modules/core-js/modules/es6.array.slice.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es6.array.slice.js b/node_modules/core-js/modules/es6.array.slice.js new file mode 100644 index 00000000..bdd496ec --- /dev/null +++ b/node_modules/core-js/modules/es6.array.slice.js @@ -0,0 +1,28 @@ +'use strict'; +var $export = require('./_export'); +var html = require('./_html'); +var cof = require('./_cof'); +var toAbsoluteIndex = require('./_to-absolute-index'); +var toLength = require('./_to-length'); +var arraySlice = [].slice; + +// fallback for not array-like ES3 strings and DOM objects +$export($export.P + $export.F * require('./_fails')(function () { + if (html) arraySlice.call(html); +}), 'Array', { + slice: function slice(begin, end) { + var len = toLength(this.length); + var klass = cof(this); + end = end === undefined ? len : end; + if (klass == 'Array') return arraySlice.call(this, begin, end); + var start = toAbsoluteIndex(begin, len); + var upTo = toAbsoluteIndex(end, len); + var size = toLength(upTo - start); + var cloned = new Array(size); + var i = 0; + for (; i < size; i++) cloned[i] = klass == 'String' + ? this.charAt(start + i) + : this[start + i]; + return cloned; + } +}); |
