Version 1

[yaffs-website] / node_modules / core-js / library / modules / es6.typed.array-buffer.js

diff --git a/node_modules/core-js/library/modules/es6.typed.array-buffer.js b/node_modules/core-js/library/modules/es6.typed.array-buffer.js
new file mode 100644 (file)
index 0000000..9f47082
--- /dev/null
+++ b/node_modules/core-js/library/modules/es6.typed.array-buffer.js
@@ -0,0 +1,46 @@
+'use strict';
+var $export      = require('./_export')
+  , $typed       = require('./_typed')
+  , buffer       = require('./_typed-buffer')
+  , anObject     = require('./_an-object')
+  , toIndex      = require('./_to-index')
+  , toLength     = require('./_to-length')
+  , isObject     = require('./_is-object')
+  , ArrayBuffer  = require('./_global').ArrayBuffer
+  , speciesConstructor = require('./_species-constructor')
+  , $ArrayBuffer = buffer.ArrayBuffer
+  , $DataView    = buffer.DataView
+  , $isView      = $typed.ABV && ArrayBuffer.isView
+  , $slice       = $ArrayBuffer.prototype.slice
+  , VIEW         = $typed.VIEW
+  , ARRAY_BUFFER = 'ArrayBuffer';
+
+$export($export.G + $export.W + $export.F * (ArrayBuffer !== $ArrayBuffer), {ArrayBuffer: $ArrayBuffer});
+
+$export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
+  // 24.1.3.1 ArrayBuffer.isView(arg)
+  isView: function isView(it){
+    return $isView && $isView(it) || isObject(it) && VIEW in it;
+  }
+});
+
+$export($export.P + $export.U + $export.F * require('./_fails')(function(){
+  return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
+}), ARRAY_BUFFER, {
+  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
+  slice: function slice(start, end){
+    if($slice !== undefined && end === undefined)return $slice.call(anObject(this), start); // FF fix
+    var len    = anObject(this).byteLength
+      , first  = toIndex(start, len)
+      , final  = toIndex(end === undefined ? len : end, len)
+      , result = new (speciesConstructor(this, $ArrayBuffer))(toLength(final - first))
+      , viewS  = new $DataView(this)
+      , viewT  = new $DataView(result)
+      , index  = 0;
+    while(first < final){
+      viewT.setUint8(index++, viewS.getUint8(first++));
+    } return result;
+  }
+});
+
+require('./_set-species')(ARRAY_BUFFER);
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