| Path : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/ |
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/esnext.number.from-string.js |
'use strict';
var $ = require('../internals/export');
var uncurryThis = require('../internals/function-uncurry-this');
var toIntegerOrInfinity = require('../internals/to-integer-or-infinity');
var INVALID_NUMBER_REPRESENTATION = 'Invalid number representation';
var INVALID_RADIX = 'Invalid radix';
var $RangeError = RangeError;
var $SyntaxError = SyntaxError;
var $TypeError = TypeError;
var $parseInt = parseInt;
var pow = Math.pow;
var valid = /^[0-9a-z]+(\.[0-9a-z]+)?$/;
var charAt = uncurryThis(''.charAt);
var charCodeAt = uncurryThis(''.charCodeAt);
var exec = uncurryThis(valid.exec);
var numberToString = uncurryThis(1.1.toString);
var stringSlice = uncurryThis(''.slice);
var split = uncurryThis(''.split);
var validDigitForRadix = function (string, R) {
for (var i = 0; i < string.length; i++) {
var code = charCodeAt(string, i);
// '.' is allowed
if (code === 0x2E) continue;
// '0'-'9' - digit value 0-9
if (code >= 0x30 && code <= 0x39) {
if (code - 0x30 >= R) return false;
// 'a'-'z' - digit value 10-35
} else if (code >= 0x61 && code <= 0x7A) {
if (code - 0x61 + 10 >= R) return false;
} else return false;
}
return true;
};
// `Number.fromString` method
// https://github.com/tc39/proposal-number-fromstring
$({ target: 'Number', stat: true, forced: true }, {
fromString: function fromString(string, radix) {
var sign = 1;
if (typeof string != 'string') throw new $TypeError(INVALID_NUMBER_REPRESENTATION);
if (!string.length) throw new $SyntaxError(INVALID_NUMBER_REPRESENTATION);
if (charAt(string, 0) === '-') {
sign = -1;
string = stringSlice(string, 1);
if (!string.length) throw new $SyntaxError(INVALID_NUMBER_REPRESENTATION);
}
var R = radix === undefined ? 10 : toIntegerOrInfinity(radix);
if (R < 2 || R > 36) throw new $RangeError(INVALID_RADIX);
if (!exec(valid, string) || !validDigitForRadix(string, R)) throw new $SyntaxError(INVALID_NUMBER_REPRESENTATION);
var parts = split(string, '.');
var mathNum = $parseInt(parts[0], R);
if (parts.length > 1) mathNum += $parseInt(parts[1], R) / pow(R, parts[1].length);
if (R === 10) {
var compareString = string;
if (parts.length > 1) {
var fraction = parts[1];
while (fraction.length && charAt(fraction, fraction.length - 1) === '0') {
fraction = stringSlice(fraction, 0, -1);
}
compareString = fraction.length ? parts[0] + '.' + fraction : parts[0];
}
if (numberToString(mathNum, R) !== compareString) throw new $SyntaxError(INVALID_NUMBER_REPRESENTATION);
}
return sign * mathNum;
}
});