refactor(string-utils): simplify looksLikeNumber condition

yargs · May 30, 2021 · ed50d11 · ed50d11
1 parent 20e01de
commit ed50d11
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/string-utils.ts b/lib/string-utils.ts
@@ -58,6 +58,6 @@ export function looksLikeNumber (x: null | undefined | number | string): boolean
   // hexadecimal.
   if (/^0x[0-9a-f]+$/i.test(x)) return true
   // don't treat 0123 as a number; as it drops the leading '0'.
-  if (x.length > 1 && x[0] === '0' && x[1] !== '.') return false
+  if (/^0[^.]/.test(x)) return false
   return /^[-]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x)
 }