feat: Support nushell

README.md

@@ -42,6 +42,19 @@ Add this into your `config.fish`.
 als init fish | source
 ```
 
+### Nushell
+
+Add the following to the end of your Nushell env file (find it by running $nu.env-path in Nushell)::
+```shell
+mkdir ~/.cache/als
+als init nu | save -f ~/.cache/als/init.nu
+```
+
+And add the following to the end of your Nushell configuration (find it by running $nu.config-path)::
+```shell
+source ~/.cache/als/init.nu
+```
+
 ## Alias config
 
 Put a config file in `~/.config/alias.toml`.

src/init/mod.rs

@@ -1,5 +1,6 @@
 mod bash;
 mod fish;
+mod nu;
 mod pwsh;
 mod zsh;
 
@@ -20,6 +21,9 @@ pub(crate) fn init(config: AliasConfig, args: Vec<String>) {
         "fish" => {
             fish::init(config);
         }
+        "nu" => {
+            nu::init(config);
+        }
         _ => unreachable!("Unsupported shell"),
     }
 }

src/init/nu.nu

@@ -0,0 +1 @@
+$env.ALIAS_SHELL = 'nu'

src/init/nu.rs

@@ -0,0 +1,22 @@
+use crate::model::{AliasConfig, AliasVisitor, VisitorAliasValue};
+
+const NU_SCRIPT: &str = include_str!("./nu.nu");
+
+#[inline]
+pub fn print_alias<V: std::fmt::Display>(name: &str, value: V) {
+    println!("alias {} = {}", name, value)
+}
+
+struct NuVisitor {}
+
+impl AliasVisitor for NuVisitor {
+    fn visit<'a>(&mut self, (name, value): (&'a str, VisitorAliasValue<'a>)) {
+        print_alias(name, value);
+    }
+}
+
+pub fn init(config: AliasConfig) {
+    println!("{NU_SCRIPT}");
+
+    config.visit_aliases("nu", &mut NuVisitor {});
+}