Version 1

[yaffs-website] / node_modules / core-js / library / modules / es6.string.from-code-point.js

diff --git a/node_modules/core-js/library/modules/es6.string.from-code-point.js b/node_modules/core-js/library/modules/es6.string.from-code-point.js
new file mode 100644 (file)
index 0000000..c8776d8
--- /dev/null
+++ b/node_modules/core-js/library/modules/es6.string.from-code-point.js
@@ -0,0 +1,23 @@
+var $export        = require('./_export')
+  , toIndex        = require('./_to-index')
+  , fromCharCode   = String.fromCharCode
+  , $fromCodePoint = String.fromCodePoint;
+
+// length should be 1, old FF problem
+$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
+  // 21.1.2.2 String.fromCodePoint(...codePoints)
+  fromCodePoint: function fromCodePoint(x){ // eslint-disable-line no-unused-vars
+    var res  = []
+      , aLen = arguments.length
+      , i    = 0
+      , code;
+    while(aLen > i){
+      code = +arguments[i++];
+      if(toIndex(code, 0x10ffff) !== code)throw RangeError(code + ' is not a valid code point');
+      res.push(code < 0x10000
+        ? fromCharCode(code)
+        : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)
+      );
+    } return res.join('');
+  }
+});
\ No newline at end of file