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Commit Description:

submission report

Commit Description:

submission report

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r790:7ddf708c67bd default

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                    node_modules/es-abstract/2017/ToNumber.js
                
             | 59 lines
             | 2.0 KiB
             | application/javascript 
             | JavascriptLexer
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move datatable to yarn

              r789
            
      '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);

      };

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Last Author

admin move datatable to yarn	r789	'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);
		};