refactor: read monorepo manifest files in parallel

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "rust_typescript_tools"
+name = "typescript_tools"
 version = "0.0.0-semantically-released"
 edition = "2021"
 
@@ -8,9 +8,11 @@ name = "monorepo"
 path = "src/main.rs"
 
 [dependencies]
+anyhow = "1.0"
 askama = "0.11"
 clap = { version = "3.1.8", features = ["cargo", "derive"] }
 globwalk = "0.8.1"
+dpc-pariter = "0.5.1"
 pathdiff = "0.2.1"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0", features = ["preserve_order"] }

src/configuration_file.rs

@@ -1,14 +1,15 @@
-use std::error::Error;
 use std::path::{Path, PathBuf};
 
+use anyhow::Result;
+
 /// Configuration file for some component of the monorepo.
 pub trait ConfigurationFile<T> {
     /// Basename of the configuration file.
     const FILENAME: &'static str;
 
     /// Create an instance of this configuration file by reading
     /// the specified file from this directory on disk.
-    fn from_directory<P>(monorepo_root: P, directory: P) -> Result<T, Box<dyn Error>>
+    fn from_directory<P>(monorepo_root: P, directory: P) -> Result<T>
     where
         P: AsRef<Path>;
 
@@ -20,5 +21,5 @@ pub trait ConfigurationFile<T> {
     fn path(&self) -> PathBuf;
 
     /// Write this configuration file to disk.
-    fn write(&self) -> Result<(), Box<dyn Error>>;
+    fn write(&self) -> Result<()>;
 }

src/io.rs

@@ -1,8 +1,9 @@
-use std::error::Error;
 use std::fs::File;
 use std::io::{BufWriter, Write};
 use std::path::Path;
 
+use anyhow::Result;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Serialize, Deserialize, Debug, PartialEq)]
@@ -19,7 +20,7 @@ pub struct TypescriptParentProjectReference {
 pub fn write_project_references<P: AsRef<Path>>(
     path: P,
     references: &TypescriptParentProjectReference,
-) -> Result<(), Box<dyn Error>> {
+) -> Result<()> {
     let file = File::create(&path)?;
     let mut writer = BufWriter::new(file);
     serde_json::to_writer_pretty(&mut writer, references)?;

src/lib.rs

@@ -0,0 +1,14 @@
+#![forbid(unsafe_code)]
+
+mod configuration_file;
+mod io;
+mod monorepo_manifest;
+mod package_manifest;
+mod typescript_config;
+
+pub mod link;
+pub mod lint;
+pub mod make_depend;
+pub mod opts;
+pub mod pin;
+pub mod query;