aaac7fed
 liuqimichale
add
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var minus = "-".charCodeAt(0);
var plus = "+".charCodeAt(0);
var dot = ".".charCodeAt(0);
var exp = "e".charCodeAt(0);
var EXP = "E".charCodeAt(0);
module.exports = function(value) {
var pos = 0;
var length = value.length;
var dotted = false;
var sciPos = -1;
var containsNumber = false;
var code;
while (pos < length) {
code = value.charCodeAt(pos);
if (code >= 48 && code <= 57) {
containsNumber = true;
} else if (code === exp || code === EXP) {
if (sciPos > -1) {
break;
}
sciPos = pos;
} else if (code === dot) {
if (dotted) {
break;
}
dotted = true;
} else if (code === plus || code === minus) {
if (pos !== 0) {
break;
}
} else {
break;
}
pos += 1;
}
if (sciPos + 1 === pos) pos--;
return containsNumber
? {
number: value.slice(0, pos),
unit: value.slice(pos)
}
: false;
};
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