perf: trim keys once (#2194)

src/Formatter.js

@@ -19,18 +19,21 @@ function parseFormatStr(formatStr) {
  const opts = optStr.split(';');
 
  opts.forEach((opt) => {
- if (!opt) return;
- const [key, ...rest] = opt.split(':');
- const val = rest
- .join(':')
- .trim()
- .replace(/^'+|'+$/g, ''); // trim and replace ''
-
- if (!formatOptions[key.trim()]) formatOptions[key.trim()] = val;
- if (val === 'false') formatOptions[key.trim()] = false;
- if (val === 'true') formatOptions[key.trim()] = true;
- // eslint-disable-next-line no-restricted-globals
- if (!isNaN(val)) formatOptions[key.trim()] = parseInt(val, 10);
+ if (opt) {
+ const [key, ...rest] = opt.split(':');
+ const val = rest
+ .join(':')
+ .trim()
+ .replace(/^'+|'+$/g, ''); // trim and replace ''
+
+ const trimmedKey = key.trim();
+
+ if (!formatOptions[trimmedKey]) formatOptions[trimmedKey] = val;
+ if (val === 'false') formatOptions[trimmedKey] = false;
+ if (val === 'true') formatOptions[trimmedKey] = true;
+ // eslint-disable-next-line no-restricted-globals
+ if (!isNaN(val)) formatOptions[trimmedKey] = parseInt(val, 10);
+ }
  });
  }
  }