b4fc108c2e
Summary: Rename first batch for '.ts' files to '.tsx' Reviewed By: nikoant Differential Revision: D33843051 fbshipit-source-id: 68dd2dc6538afce2daaf24c6412dc5db8b38acbc
101 lines
2.6 KiB
TypeScript
101 lines
2.6 KiB
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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import os from 'os';
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import fs from 'fs';
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import path from 'path';
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import {spawn} from 'child_process';
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import xdg from 'xdg-basedir';
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import mkdirp from 'mkdirp';
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const isProduction = () =>
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!/node_modules[\\/]electron[\\/]/.test(process.execPath);
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const isLauncherInstalled = async () => {
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if (os.type() == 'Darwin') {
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const receipt = 'com.facebook.flipper.launcher';
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const plistLocation = '/Applications/Flipper.app/Contents/Info.plist';
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try {
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return (
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(await fs.promises.stat(plistLocation)) &&
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(await fs.promises.readFile(plistLocation)).indexOf(receipt) > 0
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);
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} catch (e) {
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console.error('Error while reading Info.plist', e);
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return false;
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}
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}
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return false;
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};
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const startLauncher = (argv: {file?: string; url?: string}) => {
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const args = [];
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if (argv.file) {
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args.push('--file', argv.file);
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}
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if (argv.url) {
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args.push('--url', argv.url);
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}
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if (os.type() == 'Darwin') {
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spawn('open', ['/Applications/Flipper.app', '--args'].concat(args));
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}
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};
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const checkIsCycle = async () => {
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const dir = path.join(xdg.cache!, 'flipper');
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const filePath = path.join(dir, 'last-launcher-run');
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// This isn't monotonically increasing, so there's a change we get time drift
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// between the checks, but the worst case here is that we do two roundtrips
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// before this check works.
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const rightNow = Date.now();
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let backThen;
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try {
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backThen = parseInt((await fs.promises.readFile(filePath)).toString(), 10);
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} catch (e) {
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backThen = 0;
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}
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const delta = rightNow - backThen;
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await mkdirp(dir);
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await fs.promises.writeFile(filePath, '' + rightNow);
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// If the last startup was less than 5s ago, something's not okay.
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return Math.abs(delta) < 5000;
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};
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/**
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* Runs the launcher if required and returns a boolean based on whether
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* it has. You should shut down this instance of the app in that case.
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*/
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export default async function delegateToLauncher(argv: {
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launcher: boolean;
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file?: string;
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url?: string;
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}) {
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if (argv.launcher && isProduction() && (await isLauncherInstalled())) {
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if (await checkIsCycle()) {
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console.error(
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'Launcher cycle detected. Not delegating even though I usually would.',
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);
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return false;
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}
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console.warn('Delegating to Flipper Launcher ...');
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console.warn(
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`You can disable this behavior by passing '--no-launcher' at startup.`,
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);
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startLauncher(argv);
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return true;
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}
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return false;
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}
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