Typescriptify the main process code (9/N)

Summary: Converted scripts/build-release.js and scripts/build-headless.js to typescript

Reviewed By: passy

Differential Revision: D20066504

fbshipit-source-id: 25f336062361e1211b581f96979978a6bf4fe6d4

scripts/build-headless.ts

@@ -0,0 +1,121 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import fs from 'fs';
+import path from 'path';
+import lineReplace from 'line-replace';
+import yazl from 'yazl';
+const {exec: createBinary} = require('pkg');
+const {
+  buildFolder,
+  compile,
+  compileDefaultPlugins,
+  getVersionNumber,
+  genMercurialRevision,
+} = require('./build-utils.js');
+
+const PLUGINS_FOLDER_NAME = 'plugins';
+
+function preludeBundle(
+  dir: string,
+  versionNumber: string,
+  buildRevision: string,
+) {
+  const revisionStr =
+    buildRevision == null ? '' : `global.__REVISION__="${buildRevision}";`;
+  return new Promise(resolve =>
+    lineReplace({
+      file: path.join(dir, 'bundle.js'),
+      line: 1,
+      text: `var __DEV__=false; global.electronRequire = require; global.performance = require("perf_hooks").performance;global.__VERSION__="${versionNumber}";${revisionStr}`,
+      addNewLine: true,
+      callback: resolve,
+    }),
+  );
+}
+
+async function createZip(buildDir: string, distDir: string, targets: string[]) {
+  return new Promise(resolve => {
+    const zip = new yazl.ZipFile();
+
+    // add binaries for each target
+    targets.forEach(target => {
+      const binary = `flipper-${target === 'mac' ? 'macos' : target}`;
+      zip.addFile(path.join(buildDir, binary), binary);
+    });
+
+    // add plugins
+    const pluginDir = path.join(buildDir, PLUGINS_FOLDER_NAME);
+    fs.readdirSync(pluginDir).forEach(file => {
+      zip.addFile(
+        path.join(pluginDir, file),
+        path.join(PLUGINS_FOLDER_NAME, file),
+      );
+    });
+
+    // write zip file
+    zip.outputStream
+      .pipe(fs.createWriteStream(path.join(distDir, 'Flipper-headless.zip')))
+      .on('close', resolve);
+    zip.end();
+  });
+}
+
+(async () => {
+  const targets: {mac?: string; linux?: string; win?: string} = {};
+  let platformPostfix: string = '';
+  if (process.argv.indexOf('--mac') > -1) {
+    targets.mac = 'node10-macos-x64';
+    platformPostfix = '-macos';
+  }
+  if (process.argv.indexOf('--linux') > -1) {
+    targets.linux = 'node10-linux-x64';
+    platformPostfix = '-linux';
+  }
+  if (process.argv.indexOf('--win') > -1) {
+    targets.win = 'node10-win-x64';
+    platformPostfix = '-win';
+  }
+  const length = Object.keys(targets).length;
+  if (length === 0) {
+    throw new Error('No targets specified. eg. --mac, --win, or --linux');
+  } else if (length > 1) {
+    // platformPostfix is automatically added by pkg
+    platformPostfix = '';
+  }
+  // Compiling all plugins takes a long time. Use this flag for quicker
+  // developement iteration by not including any plugins.
+  const skipPlugins = process.argv.indexOf('--no-plugins') > -1;
+
+  process.env.BUILD_HEADLESS = 'true';
+  const buildDir = await buildFolder();
+  const distDir = path.join(__dirname, '..', 'dist');
+  // eslint-disable-next-line no-console
+  console.log('Created build directory', buildDir);
+  await compile(buildDir, path.join(__dirname, '..', 'headless', 'index.tsx'));
+  const versionNumber = getVersionNumber();
+  const buildRevision = await genMercurialRevision();
+  await preludeBundle(buildDir, versionNumber, buildRevision);
+  await compileDefaultPlugins(
+    path.join(buildDir, PLUGINS_FOLDER_NAME),
+    skipPlugins,
+  );
+  await createBinary([
+    path.join(buildDir, 'bundle.js'),
+    '--output',
+    path.join(buildDir, `flipper${platformPostfix}`),
+    '--targets',
+    Object.values(targets).join(','),
+    '--debug',
+  ]);
+  await createZip(buildDir, distDir, Object.keys(targets));
+  // eslint-disable-next-line no-console
+  console.log('✨  Done');
+  process.exit();
+})();