ce4c83ff
 wxy
初始提交
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var minus = '-'.charCodeAt(0);
var plus = '+'.charCodeAt(0);
var dot = '.'.charCodeAt(0);
module.exports = function (value) {
var pos = 0;
var length = value.length;
var dotted = false;
var containsNumber = false;
var code;
var number = '';
while (pos < length) {
code = value.charCodeAt(pos);
if (code >= 48 && code <= 57) {
number += value[pos];
containsNumber = true;
} else if (code === dot) {
if (dotted) {
break;
}
dotted = true;
number += value[pos];
} else if (code === plus || code === minus) {
if (pos !== 0) {
break;
}
number += value[pos];
} else {
break;
}
pos += 1;
}
return containsNumber ? {
number: number,
unit: value.slice(pos)
} : false;
};
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