added help

Author: Andcool-Systems

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "css-linter"
-version = "1.9.0"
+version = "1.9.1"
 edition = "2021"
 
 [dependencies]

src/main.rs

@@ -1,9 +1,9 @@
-use std::{env, process};
+use std::env;
 
 use anyhow::Result;
 use modules::{
-    css_class::get_class_body, defined_classes::get_defined_classes, linter,
-    styles_imports::get_styles_imports,
+    css_class::get_class_body, defined_classes::get_defined_classes, help::print_help, linter,
+    styles_imports::get_styles_imports, version::get_version,
 };
 
 mod config;
@@ -12,31 +12,19 @@ mod parsers;
 mod utils;
 
 fn main() -> Result<()> {
-    const COLOR_RED: &str = "\x1b[31m";
-    const COLOR_RESET: &str = "\u{001B}[0m";
-
-    let args: Vec<String> = env::args().collect();
     if let Ok(cwd) = std::env::var("cwd") {
         env::set_current_dir(cwd)?;
     }
 
+    let args: Vec<String> = env::args().collect();
     match args.get(1) {
-        Some(arg) if arg == "-v" => {
-            print!("v{}", env!("CARGO_PKG_VERSION"));
-            process::exit(0);
-        }
+        Some(arg) if arg == "-v" => get_version()?,
         Some(arg) if arg == "--lint" => linter::lint()?,
         Some(arg) if arg == "--imports" => get_styles_imports()?,
         Some(arg) if arg == "--classes" => get_defined_classes()?,
         Some(arg) if arg == "--class" => get_class_body()?,
-        Some(arg) => {
-            eprintln!(
-                "{}Error{}: Invalid argument: {}",
-                COLOR_RED, COLOR_RESET, arg
-            );
-            process::exit(1);
-        }
-        None => todo!(),
+        Some(_) => print_help(),
+        None => print_help(),
     };
 
     Ok(())

src/modules/help.rs

@@ -0,0 +1,12 @@
+pub fn print_help() {
+    println!(
+        "Usage: css-linter [OPTION]\
+        \n\nOptions:\
+        \n  -v\t\t\t\t\t Print version information\
+        \n  --lint <project path>\t\t\t Lint CSS and TSX files\
+        \n  --imports <file path>\t\t\t Get all CSS imports in file\
+        \n  --classes <file path>\t\t\t Get all defined CSS classes\
+        \n  --class <file path> <class name>\t Get CSS class body\
+        "
+    );
+}

src/modules/mod.rs

@@ -2,3 +2,5 @@ pub mod css_class;
 pub mod defined_classes;
 pub mod linter;
 pub mod styles_imports;
+pub mod version;
+pub mod help;

src/modules/version.rs

@@ -0,0 +1,7 @@
+use anyhow::Result;
+use std::process;
+
+pub fn get_version() -> Result<()> {
+    print!("v{}", env!("CARGO_PKG_VERSION"));
+    process::exit(0);
+}