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Simplify _.parseInt.

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jdalton
2015-05-26 11:36:42 -07:00
parent acf82af0bf
commit d266a0c0ce
1 changed files with 8 additions and 29 deletions
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37
lodash.src.js
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@@ -137,18 +137,6 @@
return RegExp(upper + '+(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
}());
/** Used to detect and test for whitespace. */
var whitespace = (
// Basic whitespace characters.
' \t\x0b\f\xa0\ufeff' +
// Line terminators.
'\n\r\u2028\u2029' +
// Unicode category "Zs" space separators.
'\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
);
/** Used to assign default `context` object properties. */
var contextProps = [
'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array',
@@ -10517,25 +10505,16 @@
* // => [6, 8, 10]
*/
function parseInt(string, radix, guard) {
if (guard && isIterateeCall(string, radix, guard)) {
// Firefox < 21 and Opera < 15 follow ES3 for `parseInt`.
// Chrome fails to trim leading <BOM> whitespace characters.
// See https://code.google.com/p/v8/issues/detail?id=3109 for more details.
if (guard ? isIterateeCall(string, radix, guard) : radix == null) {
radix = 0;
} else if (radix) {
radix = +radix;
}
return nativeParseInt(string, radix);
}
// Fallback for environments with pre-ES5 implementations.
if (nativeParseInt(whitespace + '08') != 8) {
parseInt = function(string, radix, guard) {
// Firefox < 21 and Opera < 15 follow ES3 for `parseInt`.
// Chrome fails to trim leading <BOM> whitespace characters.
// See https://code.google.com/p/v8/issues/detail?id=3109 for more details.
if (guard ? isIterateeCall(string, radix, guard) : radix == null) {
radix = 0;
} else if (radix) {
radix = +radix;
}
string = trim(string);
return nativeParseInt(string, radix || (reHasHexPrefix.test(string) ? 16 : 10));
};
string = trim(string);
return nativeParseInt(string, radix || (reHasHexPrefix.test(string) ? 16 : 10));
}
/**