fix(rescript): include rescript template in binary

Cargo.toml

@@ -19,5 +19,5 @@ serde_json = "1.0"
 structopt = "0.3.13"
 handlebars = "3.5.1"
 dialoguer = "0.7.1"
-copy_dir = "0.1.2"
 colored = "2.0.0"
+include-dir-macro = "0.2"

src/commands/rescript.rs

@@ -1,32 +1,29 @@
 use crate::utils::helpers;
 use colored::*;
-use copy_dir::copy_dir;
 use handlebars::Handlebars;
 use helpers::Result;
+use include_dir_macro::include_dir;
 use serde_json::json;
 use std::fs;
 
-fn update_file(dir: &str, filename: &str) -> Result<()> {
-    let reg = Handlebars::new();
-    let file = &fs::read(format!("{}/{}", dir, filename))?;
-    let file: String = String::from_utf8_lossy(file).parse()?;
-    let output = reg.render_template(&file, &json!({ "name": dir }))?;
-
-    fs::write(&format!("{}/{}", dir, filename), output)?;
-
-    Ok(())
-}
-
 pub fn run(name: String) -> Result<()> {
-    let rescript_template = helpers::application_dir("src/templates/rescript")?;
-
-    copy_dir(rescript_template, &name)?;
-
-    // Update files with template names
-    update_file(&name, "package.json")?;
-    update_file(&name, "bsconfig.json")?;
-    update_file(&name, "README.md")?;
-    update_file(&name, "public/index.html")?;
+    let reg = Handlebars::new();
+    fs::create_dir_all(&name)?;
+    fs::create_dir_all(format!("{}/public", &name))?;
+    fs::create_dir_all(format!("{}/src", &name))?;
+
+    let hashmap = include_dir!("src/templates/rescript");
+
+    for key in hashmap.keys() {
+        let file = std::path::Path::new(key);
+        let text = hashmap
+            .get(file)
+            .and_then(|entry| std::str::from_utf8(*entry).ok())
+            .unwrap();
+        let output = reg.render_template(&text, &json!({ "name": &name }))?;
+
+        fs::write(format!("{}/{}", &name, &key.to_string_lossy()), output)?;
+    }
 
     println!(
         "

src/main.rs

@@ -1,3 +1,5 @@
+#![feature(proc_macro_hygiene)]
+
 mod commands;
 mod utils;
 

src/utils/helpers.rs

@@ -1,4 +1,4 @@
-use std::{env, fs, io, path, process};
+use std::process;
 
 pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 
@@ -12,29 +12,3 @@ pub fn run_command(cmd: &str, arg: &[&str]) -> process::Output {
 pub fn install_dev(pkg: &str) -> process::Output {
     run_command("npm", &["install", "--save-exact", "--save-dev", pkg])
 }
-
-pub fn application_root_dir() -> std::result::Result<path::PathBuf, io::Error> {
-    if let Some(manifest_dir) = env::var_os("CARGO_MANIFEST_DIR") {
-        return Ok(path::PathBuf::from(manifest_dir));
-    }
-
-    let mut exe = fs::canonicalize(env::current_exe()?)?;
-
-    // Modify in-place to avoid an extra copy.
-    if exe.pop() {
-        return Ok(exe);
-    }
-
-    Err(io::Error::new(
-        io::ErrorKind::Other,
-        "Failed to find an application root",
-    ))
-}
-
-/// Same as `application_root_dir`, but extends the root directory with the given path.
-pub fn application_dir<P>(path: P) -> std::result::Result<path::PathBuf, io::Error>
-where
-    P: AsRef<path::Path>,
-{
-    Ok(application_root_dir()?.join(path))
-}