just-animate/lib.es2015/web/parse-unit.js

_Making Animation Simple_

import { isDefined } from '../lib/utils/inspect';
import { _, measureExpression } from '../lib/utils/constants';
export function parseUnit(val) {
    const output = {
        unit: _,
        value: _
    };
    if (!isDefined(val)) {
        return output;
    }
    if (Number(val)) {
        output.value = +val;
        return output;
    }
    const match = measureExpression.exec(val);
    if (match) {
        output.unit = match[2] || _;
        output.value = match[1] ? parseFloat(match[1]) : _;
    }
    return output;
}