diff options
Diffstat (limited to 'node_modules/core-js/modules/es6.string.from-code-point.js')
| -rw-r--r-- | node_modules/core-js/modules/es6.string.from-code-point.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es6.string.from-code-point.js b/node_modules/core-js/modules/es6.string.from-code-point.js new file mode 100644 index 000000000..c8776d871 --- /dev/null +++ b/node_modules/core-js/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(''); + } +});
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