parse package.json`

Cargo.toml

@@ -24,3 +24,5 @@ toml = "0.8.19"
 serde = {version = "1.0.204", features = ["derive"]}
 simple-home-dir = "0.4.0"
 pretty_assertions = "1.4.1"
+json-spanned-value = "0.2.2"
+codespan = "0.11.1"

Makefile

@@ -1,6 +1,10 @@
 export
 RUST_BACKTRACE=full
 
+.PHONY: run2
+run2:
+	cd test_data && cargo run
+
 .PHONY: ci
 ci: # Checks same as CI
 	@make test-ci; \

src/model/js_package_manager.rs

@@ -1,27 +1,56 @@
 use super::{command, pnpm, runner};
 use crate::file::path_to_content;
+use codespan::Files;
+use json_spanned_value::{self as jsv, spanned};
 use std::path::PathBuf;
 
 pub fn get_js_package_manager(current_dir: PathBuf) -> runner::Runner {
     // TODO: lockfileの種類に応じて各JSパッケージマネージャの初期化コードを呼び出す
-    get_js_commands(current_dir.clone());
-    runner::Runner::PnpmCommand(pnpm::Pnpm::new(current_dir).unwrap())
+    let commands = get_js_commands(current_dir.clone());
+    runner::Runner::PnpmCommand(
+        pnpm::Pnpm::new(current_dir.join(JS_PACKAGE_METADATA_FILE_NAME), commands).unwrap(),
+    )
 }
 
 const JS_PACKAGE_METADATA_FILE_NAME: &str = "package.json";
+const JS_PACKAGE_METADATA_COMMAND_KEY: &str = "scripts";
 
 fn get_js_commands(_current_dir: PathBuf) -> Vec<command::Command> {
-    // TODO: lockfileの種類に応じて各JSパッケージマネージャの初期化コードを呼び出す
     match path_to_content::path_to_content(PathBuf::from(JS_PACKAGE_METADATA_FILE_NAME)) {
         Ok(c) => parse_package_json(c),
         Err(_) => vec![],
     }
 }
 
 fn parse_package_json(content: String) -> Vec<command::Command> {
-    panic!("{}", content);
-    // serdeでparseしてもいいが、行番号をとれるのかどうかがわからん。
-    // 無理なら自力でparseするしかなさそう。
-    // これが使えるかもしれない？https://github.com/MaulingMonkey/json-spanned-value/blob/db682d75b30438866b6e9d02f1187918eb329e1b/examples/demo.rs
-    vec![]
+    let mut files = Files::new();
+    let file = files.add(JS_PACKAGE_METADATA_FILE_NAME, content.clone());
+    let mut result = vec![];
+
+    // TODO: これだと不正なJSONだったときにコケそうなのでresultをちゃんとハンドリングする
+    let example: spanned::Object = jsv::from_str(content.as_str()).unwrap();
+    for (k, v) in example {
+        if k.as_str() != JS_PACKAGE_METADATA_COMMAND_KEY {
+            continue;
+        }
+
+        // object is the content of "scripts" key
+        if let Some(object) = v.as_object() {
+            for (k, _) in object {
+                let name = k.to_string();
+                let line_number =
+                    files.line_index(file, k.start() as u32).number().to_usize() as u32;
+
+                result.push(command::Command {
+                    runner_type: super::runner_type::RunnerType::Pnpm, // TODO: ここは動的に受け取る
+                    name,
+                    file_name: PathBuf::from(JS_PACKAGE_METADATA_FILE_NAME),
+                    line_number,
+                });
+            }
+        };
+        break;
+    }
+
+    result
 }

src/model/pnpm.rs

@@ -1,6 +1,5 @@
 use super::command;
-use anyhow::Result;
-use std::{path::PathBuf, process};
+use std::path::PathBuf;
 
 #[derive(Clone, Debug, PartialEq)]
 pub struct Pnpm {
@@ -15,10 +14,8 @@ impl Pnpm {
         format!("pnpm run {}", command.name)
     }
 
-    pub fn new(current_dir: PathBuf) -> Result<Pnpm> {
-        // TODO: ここ実装する
-        // TODO: package.jsonのパース処理は共通化したほうがよさそう
-        todo!("implement")
+    pub fn new(path: PathBuf, commands: Vec<command::Command>) -> Pnpm {
+        Pnpm { path, commands }
     }
 
     // // I gave up writing tests using temp_dir because it was too difficult (it was necessary to change the implementation to some extent).