From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Wed, 3 May 2017 15:35:00 +0200 Subject: node_modules --- .../core-js/modules/$.array-copy-within.js | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 node_modules/core-js/modules/$.array-copy-within.js (limited to 'node_modules/core-js/modules/$.array-copy-within.js') diff --git a/node_modules/core-js/modules/$.array-copy-within.js b/node_modules/core-js/modules/$.array-copy-within.js new file mode 100644 index 000000000..585630659 --- /dev/null +++ b/node_modules/core-js/modules/$.array-copy-within.js @@ -0,0 +1,27 @@ +// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length) +'use strict'; +var toObject = require('./$.to-object') + , toIndex = require('./$.to-index') + , toLength = require('./$.to-length'); + +module.exports = [].copyWithin || function copyWithin(target/*= 0*/, start/*= 0, end = @length*/){ + var O = toObject(this) + , len = toLength(O.length) + , to = toIndex(target, len) + , from = toIndex(start, len) + , $$ = arguments + , end = $$.length > 2 ? $$[2] : undefined + , count = Math.min((end === undefined ? len : toIndex(end, len)) - from, len - to) + , inc = 1; + if(from < to && to < from + count){ + inc = -1; + from += count - 1; + to += count - 1; + } + while(count-- > 0){ + if(from in O)O[to] = O[from]; + else delete O[to]; + to += inc; + from += inc; + } return O; +}; \ No newline at end of file -- cgit v1.2.3