Use a task runner for more granularity/parallelism

javascript/.eslintrc.js

@@ -29,7 +29,7 @@ module.exports = {
   },
   overrides: [
     {
-      files: ["jest.*", "tests/**"],
+      files: ["jest.*", "just.config.js", "tests/**"],
       env: {
         node: true,
       },
@@ -38,6 +38,7 @@ module.exports = {
         getMeasureCounterMax: "writable",
         getMeasureCounterMin: "writable",
         Yoga: "writable",
+        YGBENCHMARK: "writable",
       },
     },
   ],

javascript/jest.setup.js

@@ -18,3 +18,7 @@ module.exports = async () => {
     global.Yoga = await require("./dist/entrypoint/asmjs-async").loadYoga();
   }
 };
+
+Object.defineProperty(global, "YGBENCHMARK", {
+  get: () => global.test,
+});

javascript/just.config.js

@@ -0,0 +1,114 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const {
+  copyTask,
+  jestTask,
+  parallel,
+  series,
+  spawn,
+  task,
+} = require("just-scripts");
+const glob = require("glob");
+const which = require("which");
+
+const cmake = which.sync("cmake");
+const encmake = which.sync("emcmake");
+const ninja = which.sync("ninja", { nothrow: true });
+const node = which.sync("node");
+const npx = which.sync("npx");
+
+task(
+  "copy-dts",
+  copyTask({
+    paths: ["./src_js/**/*.d.ts"],
+    dest: "./dist",
+  })
+);
+
+task("babel", () =>
+  spawn(npx, ["babel", "src_js", "--source-maps", "--out-dir", "dist"])
+);
+
+task("cmake-generate", () =>
+  spawn(encmake, [
+    "cmake",
+    "-S",
+    ".",
+    "-B",
+    "build",
+    ...(ninja ? ["-G", "Ninja"] : []),
+  ])
+);
+
+task("prepare", parallel("copy-dts", "babel", "cmake-generate"));
+
+function cmakeBuildTask(targets) {
+  return () =>
+    spawn(
+      cmake,
+      ["--build", "build", ...(targets ? ["--target", ...targets] : [])],
+      { stdio: "inherit" }
+    );
+}
+
+task("cmake-build:all", cmakeBuildTask());
+task("cmake-build:async", cmakeBuildTask(["asmjs-async", "wasm-async"]));
+task("cmake-build:sync", cmakeBuildTask(["asmjs-sync", "wasm-sync"]));
+task("cmake-build:asmjs-async", cmakeBuildTask(["asmjs-async"]));
+task("cmake-build:asmjs-sync", cmakeBuildTask(["asmjs-sync"]));
+task("cmake-build:wasm-async", cmakeBuildTask(["wasm-async"]));
+task("cmake-build:wasm-sync", cmakeBuildTask(["wasm-sync"]));
+
+task("jest:asmjs-async", jestTask({ env: { WASM: false, SYNC: false } }));
+task("jest:asmjs-sync", jestTask({ env: { WASM: false, SYNC: true } }));
+task("jest:wasm-async", jestTask({ env: { WASM: true, SYNC: false } }));
+task("jest:wasm-sync", jestTask({ env: { WASM: true, SYNC: true } }));
+
+task(
+  "test:asmjs-async",
+  series("prepare", "cmake-build:asmjs-async", "jest:asmjs-async")
+);
+task(
+  "test:asmjs-sync",
+  series("prepare", "cmake-build:asmjs-sync", "jest:asmjs-sync")
+);
+task(
+  "test:wasm-async",
+  series("prepare", "cmake-build:wasm-async", "jest:wasm-async")
+);
+task(
+  "test:wasm-sync",
+  series("prepare", "cmake-build:wasm-sync", "jest:wasm-sync")
+);
+
+task("run-bench", () =>
+  spawn(
+    node,
+    ["./tests/run-bench.js", ...glob.sync("./tests/Benchmarks/**/*.js")],
+    { stdio: "inherit" }
+  )
+);
+
+task("build", series("prepare", "cmake-build:all"));
+
+task(
+  "test",
+  series(
+    "prepare",
+    series(
+      series("cmake-build:asmjs-async", "jest:asmjs-async"),
+      series("cmake-build:asmjs-sync", "jest:asmjs-sync"),
+      series("cmake-build:wasm-async", "jest:wasm-async"),
+      series("cmake-build:wasm-sync", "jest:wasm-sync")
+    )
+  )
+);
+
+task("benchmark", series("prepare", "cmake-build:sync", "run-bench"));

javascript/package.json

@@ -26,19 +26,15 @@
     "src_js/**"
   ],
   "scripts": {
-    "benchmark": "yarn build && node tests/run-bench $(find tests/benchmarks -name '*.js')",
-    "build": "yarn build:js && yarn build:native",
-    "build:configure": "which ninja && emcmake cmake -S . -B build -G Ninja || emcmake cmake -S . -B build",
-    "build:copy-dts": "cd src_js && find . -name '*.d.ts' | cpio -pdm ../dist",
-    "build:js": "babel src_js --source-maps --out-dir dist && yarn build:copy-dts",
-    "build:native": "yarn build:configure && cmake --build build",
+    "benchmark": "just benchmark",
+    "build": "just build",
     "lint": "eslint .",
     "lint:fix": "yarn lint --fix",
-    "test": "yarn test:asmjs-async && yarn test:asmjs-sync && yarn test:wasm-async && yarn test:wasm-sync",
-    "test:asmjs-async": "yarn build --target asmjs-async && WASM=0 SYNC=0 jest",
-    "test:asmjs-sync": "yarn build --target asmjs-sync && WASM=0 SYNC=1 jest",
-    "test:wasm-async": "yarn build --target wasm-async && WASM=1 SYNC=0 jest",
-    "test:wasm-sync": "yarn build --target wasm-sync && WASM=1 SYNC=1 jest"
+    "test": "just test",
+    "test:asmjs-async": "just test:asmjs-async",
+    "test:asmjs-sync": "just test:asmjs-sync",
+    "test:wasm-async": "just test:wasm-async",
+    "test:wasm-sync": "just test:wasm-sync"
   },
   "devDependencies": {
     "@babel/cli": "^7.20.7",
@@ -49,7 +45,10 @@
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-jest": "^27.1.7",
     "eslint-plugin-prettier": "^4.2.1",
+    "glob": "^8.0.3",
     "jest": "^29.3.1",
-    "prettier": "^2.4.1"
+    "just-scripts": "^2.1.0",
+    "prettier": "^2.4.1",
+    "which": "^3.0.0"
   }
 }

javascript/tests/Benchmarks/YGBenchmark.test.js

@@ -6,7 +6,6 @@
  */
 
 const ITERATIONS = 2000;
-const YGBENCHMARK = global.YGBENCHMARK ?? global.test;
 
 YGBENCHMARK("Stack with flex", () => {
   const root = Yoga.Node.create();