Draft a project part of the prettier

crates/prettier/Cargo.toml

@@ -3,7 +3,18 @@ name = "prettier"
 version = "0.1.0"
 edition = "2021"
 
-[dependencies]
-
 [lib]
 path = "src/prettier.rs"
+
+[dependencies]
+language = { path = "../language" }
+gpui = { path = "../gpui" }
+fs = { path = "../fs" }
+
+anyhow.workspace = true
+
+
+[dev-dependencies]
+language = { path = "../language", features = ["test-support"] }
+gpui = { path = "../gpui", features = ["test-support"] }
+fs = { path = "../fs",  features = ["test-support"] }

crates/prettier/src/prettier.rs

@@ -1,14 +1,46 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
+pub use std::path::{Path, PathBuf};
+pub use std::sync::Arc;
+
+use fs::Fs;
+use gpui::ModelHandle;
+use language::{Buffer, Diff};
+
+pub struct Prettier {
+    _private: (),
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
+type NodeRuntime = ();
 
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
+impl Prettier {
+    // This was taken from the prettier-vscode extension.
+    pub const CONFIG_FILE_NAMES: &'static [&'static str] = &[
+        ".prettierrc",
+        ".prettierrc.json",
+        ".prettierrc.json5",
+        ".prettierrc.yaml",
+        ".prettierrc.yml",
+        ".prettierrc.toml",
+        ".prettierrc.js",
+        ".prettierrc.cjs",
+        "package.json",
+        "prettier.config.js",
+        "prettier.config.cjs",
+        ".editorconfig",
+    ];
+
+    pub async fn locate(starting_path: Option<&Path>, fs: Arc<dyn Fs>) -> PathBuf {
+        todo!()
+    }
+
+    pub async fn start(prettier_path: &Path, node: Arc<NodeRuntime>) -> anyhow::Result<Self> {
+        todo!()
+    }
+
+    pub async fn format(&self, buffer: &ModelHandle<Buffer>) -> anyhow::Result<Diff> {
+        todo!()
+    }
+
+    pub async fn clear_cache(&self) -> anyhow::Result<()> {
+        todo!()
     }
 }