ComponentName returns component name for typescript.

Copy calls io.Copy if the source file and destination file exists.

IsLowerCase returns true if the rune in a-z.

IsUpperCase returns true if the rune in A-Z.

MaybeCreateFile creates file if not exists.

RemoveComment filters comment content.

ToCamelCase returns a copy string by converting snake case into camel case.

ToLower returns a copy string by converting it into lower.

ToLowerCase converts rune into lower case.

ToSnakeCase returns a copy string by converting camel case into snake case.

ToUpper returns a copy string by converting it into upper.

ToUpperCase converts rune into upper case.

UnExport converts the first letter into lower case.

UpperFirst converts s[0] into upper case.

WrapErr wraps an error with message.

WriteIndent writes tab spaces.