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Diffstat (limited to 'node_modules/es-abstract/2015/ToNumber.js')
-rw-r--r-- | node_modules/es-abstract/2015/ToNumber.js | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/node_modules/es-abstract/2015/ToNumber.js b/node_modules/es-abstract/2015/ToNumber.js deleted file mode 100644 index 7a3cdc8..0000000 --- a/node_modules/es-abstract/2015/ToNumber.js +++ /dev/null @@ -1,59 +0,0 @@ -'use strict'; - -var GetIntrinsic = require('../GetIntrinsic'); - -var $TypeError = GetIntrinsic('%TypeError%'); -var $Number = GetIntrinsic('%Number%'); -var $RegExp = GetIntrinsic('%RegExp%'); -var $parseInteger = GetIntrinsic('%parseInt%'); - -var callBound = require('../helpers/callBound'); -var regexTester = require('../helpers/regexTester'); -var isPrimitive = require('../helpers/isPrimitive'); - -var $strSlice = callBound('String.prototype.slice'); -var isBinary = regexTester(/^0b[01]+$/i); -var isOctal = regexTester(/^0o[0-7]+$/i); -var isInvalidHexLiteral = regexTester(/^[-+]0x[0-9a-f]+$/i); -var nonWS = ['\u0085', '\u200b', '\ufffe'].join(''); -var nonWSregex = new $RegExp('[' + nonWS + ']', 'g'); -var hasNonWS = regexTester(nonWSregex); - -// whitespace from: https://es5.github.io/#x15.5.4.20 -// implementation from https://github.com/es-shims/es5-shim/blob/v3.4.0/es5-shim.js#L1304-L1324 -var ws = [ - '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003', - '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028', - '\u2029\uFEFF' -].join(''); -var trimRegex = new RegExp('(^[' + ws + ']+)|([' + ws + ']+$)', 'g'); -var $replace = callBound('String.prototype.replace'); -var $trim = function (value) { - return $replace(value, trimRegex, ''); -}; - -var ToPrimitive = require('./ToPrimitive'); - -// https://www.ecma-international.org/ecma-262/6.0/#sec-tonumber - -module.exports = function ToNumber(argument) { - var value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number); - if (typeof value === 'symbol') { - throw new $TypeError('Cannot convert a Symbol value to a number'); - } - if (typeof value === 'string') { - if (isBinary(value)) { - return ToNumber($parseInteger($strSlice(value, 2), 2)); - } else if (isOctal(value)) { - return ToNumber($parseInteger($strSlice(value, 2), 8)); - } else if (hasNonWS(value) || isInvalidHexLiteral(value)) { - return NaN; - } else { - var trimmed = $trim(value); - if (trimmed !== value) { - return ToNumber(trimmed); - } - } - } - return $Number(value); -}; |