From 9da99f6955131d609985593e680487451fdb023f Mon Sep 17 00:00:00 2001
From: Tom Moor <tom@getoutline.com>
Date: Mon, 10 Apr 2023 23:32:04 -0400
Subject: [PATCH] chore: Parallelize build (#5182

* Parallelize build

* Update package.json
---
 build.js     | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 build.sh     | 23 ----------------
 package.json |  2 +-
 3 files changed, 78 insertions(+), 24 deletions(-)
 create mode 100755 build.js
 delete mode 100755 build.sh

diff --git a/build.js b/build.js
new file mode 100755
index 000000000..3c2e4b88d
--- /dev/null
+++ b/build.js
@@ -0,0 +1,77 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+/* eslint-disable no-undef */
+const { exec } = require("child_process");
+const { readdirSync } = require("fs");
+
+const getDirectories = (source) =>
+  readdirSync(source, { withFileTypes: true })
+    .filter((dirent) => dirent.isDirectory())
+    .map((dirent) => dirent.name);
+
+/**
+ * Executes a shell command and return it as a Promise.
+ * @param cmd {string}
+ * @return {Promise<string>}
+ */
+function execAsync(cmd) {
+  return new Promise((resolve) => {
+    exec(cmd, (error, stdout, stderr) => {
+      if (error) {
+        console.warn(error);
+      }
+      resolve(stdout ? stdout : stderr);
+    });
+  });
+}
+
+async function build() {
+  // Clean previous build
+  console.log("Clean previous build…");
+
+  await Promise.all([
+    execAsync("rm -rf ./build/server"),
+    execAsync("rm -rf ./build/plugins"),
+  ]);
+
+  const d = getDirectories("./plugins");
+
+  // Compile server and shared
+  console.log("Compiling…");
+  await Promise.all([
+    execAsync(
+      "yarn babel --extensions .ts,.tsx --quiet -d ./build/server ./server"
+    ),
+    execAsync(
+      "yarn babel --extensions .ts,.tsx --quiet -d ./build/shared ./shared"
+    ),
+    ...d.map(async (plugin) =>
+      execAsync(
+        `yarn babel --extensions .ts,.tsx --quiet -d "./build/plugins/${plugin}/server" "./plugins/${plugin}/server"`
+      )
+    ),
+  ]);
+
+  // Copy static files
+  console.log("Copying static files…");
+  await Promise.all([
+    execAsync(
+      "cp ./server/collaboration/Procfile ./build/server/collaboration/Procfile"
+    ),
+    execAsync(
+      "cp ./server/static/error.dev.html ./build/server/error.dev.html"
+    ),
+    execAsync(
+      "cp ./server/static/error.prod.html ./build/server/error.prod.html"
+    ),
+    execAsync("cp package.json ./build"),
+    ...d.map(async (plugin) =>
+      execAsync(
+        `cp ./plugins/${plugin}/plugin.json ./build/plugins/${plugin}/plugin.json`
+      )
+    ),
+  ]);
+
+  console.log("Done!");
+}
+
+build();
diff --git a/build.sh b/build.sh
deleted file mode 100755
index 97626a736..000000000
--- a/build.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/sh
-
-# Clean previous build
-rm -rf ./build/server
-rm -rf ./build/plugins
-
-# Compile server and shared
-yarn concurrently "yarn babel --extensions .ts,.tsx --quiet -d ./build/server ./server" \
- "yarn babel --extensions .ts,.tsx --quiet -d ./build/shared ./shared"
-
-# Compile code in plugins
-for d in ./plugins/*; do
-  # Get the name of the folder
-  package=$(basename "$d")
-  yarn babel --extensions .ts,.tsx --quiet -d "./build/plugins/$package/server" "./plugins/$package/server"
-  cp ./plugins/$package/plugin.json ./build/plugins/$package/plugin.json
-done
-
-# Copy static files
-cp ./server/collaboration/Procfile ./build/server/collaboration/Procfile
-cp package.json ./build
-cp ./server/static/error.dev.html ./build/server/error.dev.html
-cp ./server/static/error.prod.html ./build/server/error.prod.html
diff --git a/package.json b/package.json
index fec24743d..a23e66fc1 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "clean": "rimraf build",
     "copy:i18n": "mkdir -p ./build/shared/i18n && cp -R ./shared/i18n/locales ./build/shared/i18n",
     "build:i18n": "i18next --silent '{shared,app,server,plugins}/**/*.{ts,tsx}' && yarn copy:i18n",
-    "build:server": "./build.sh",
+    "build:server": "node ./build.js",
     "build": "yarn clean && yarn vite:build && yarn build:i18n && yarn build:server",
     "start": "node ./build/server/index.js",
     "dev": "NODE_ENV=development yarn concurrently -n api,collaboration  -c \"blue,magenta\" \"node --inspect=0.0.0.0 build/server/index.js --services=collaboration,websockets,admin,web,worker\"",