flatten cargo xtask build commands

package.json

@@ -51,8 +51,8 @@
   },
   "homepage": "https://github.com/bytecodealliance/jco#readme",
   "scripts": {
-    "build": "cargo xtask build",
-    "build:types:preview2-shim": "cargo xtask build-shims",
+    "build": "cargo xtask build workspace",
+    "build:types:preview2-shim": "cargo xtask build shims",
     "lint": "eslint -c eslintrc.cjs lib/**/*.js packages/*/lib/**/*.js",
     "test": "mocha -u tdd test/test.js --timeout 120000"
   },

xtask/src/build/mod.rs

@@ -0,0 +1,3 @@
+pub(crate) mod jco;
+pub(crate) mod shims;
+pub(crate) mod workspace;

xtask/src/main.rs

@@ -1,31 +1,35 @@
 use structopt::StructOpt;
 
 mod build;
-mod build_self;
-mod build_shims;
 mod test;
 
 #[derive(StructOpt)]
 enum Opts {
-    /// Build the `jco` tools
-    BuildSelf,
-    /// Build
-    Build,
-    /// Build the shims
-    BuildShims,
+    /// Build the project
+    Build(Build),
     /// Run tests
     Test,
 }
 
+#[derive(StructOpt)]
+enum Build {
+    /// Build and transpile the `jco` tools
+    Jco,
+    /// Build the shims
+    Shims,
+    /// Build the project and copy the binaries
+    Workspace,
+}
+
 fn main() -> anyhow::Result<()> {
     match Opts::from_args() {
-        Opts::BuildSelf => build_self::run(),
-        Opts::Build => {
-            build::run()?;
-            build_self::run()?;
+        Opts::Build(Build::Jco) => build::jco::run(),
+        Opts::Build(Build::Shims) => build::shims::run(),
+        Opts::Build(Build::Workspace) => {
+            build::workspace::run()?;
+            build::jco::run()?;
             Ok(())
         }
-        Opts::BuildShims => build_shims::run(),
         Opts::Test => test::run(),
     }
 }