message: chore: fix comment typo
  correct "a input" to "an input"
diff: @@ -83,7 +83,7 @@ function toString (val) {
  }
  /**
  - * Convert a input value to a number for persistence.
  + * Convert an input value to a number for persistence.
  * If the conversion fails, return original string.
  */
  function toNumber (val) {
  