microsoft/typespec
Publicmirrored from https://github.com/microsoft/typespecAvailable
eng/scripts/helpers.js
213lines · modecode
| 1 | import { spawn, spawnSync } from "child_process"; |
| 2 | import { statSync, readdirSync, lstatSync, readFileSync } from "fs"; |
| 3 | import { dirname, join, resolve } from "path"; |
| 4 | import { fileURLToPath } from "url"; |
| 5 | |
| 6 | function read(filename) { |
| 7 | const txt = readFileSync(filename, "utf8") |
| 8 | .replace(/\r/gm, "") |
| 9 | .replace(/\n/gm, "«") |
| 10 | .replace(/\/\*.*?\*\//gm, "") |
| 11 | .replace(/«/gm, "\n") |
| 12 | .replace(/\s+\/\/.*/g, ""); |
| 13 | return JSON.parse(txt); |
| 14 | } |
| 15 | |
| 16 | export const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), "../.."); |
| 17 | export const prettier = resolve(repoRoot, "packages/compiler/node_modules/.bin/prettier"); |
| 18 | export const tsc = resolve(repoRoot, "packages/compiler/node_modules/.bin/tsc"); |
| 19 | export const autorest = resolve(repoRoot, "eng/scripts/node_modules/.bin/autorest"); |
| 20 | |
| 21 | const rush = read(`${repoRoot}/rush.json`); |
| 22 | |
| 23 | export function forEachProject(onEach) { |
| 24 | // load all the projects |
| 25 | for (const each of rush.projects) { |
| 26 | const packageName = each.packageName; |
| 27 | const projectFolder = resolve(`${repoRoot}/${each.projectFolder}`); |
| 28 | const project = JSON.parse(readFileSync(`${projectFolder}/package.json`)); |
| 29 | onEach(packageName, projectFolder, project); |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | export function npmForEach(cmd, options) { |
| 34 | forEachProject((name, location, project) => { |
| 35 | if (cmd === "test-official" && !project.scripts[cmd] && project.scripts["test"]) { |
| 36 | const pj = join(location, "package.json"); |
| 37 | throw new Error(`${pj} has a 'test' script, but no 'test-official' script for CI.`); |
| 38 | } |
| 39 | |
| 40 | if (project.scripts[cmd] || cmd === "pack") { |
| 41 | const args = cmd === "pack" ? [cmd] : ["run", cmd]; |
| 42 | run("npm", args, { cwd: location, ...options }); |
| 43 | } |
| 44 | }); |
| 45 | } |
| 46 | |
| 47 | // We could use { shell: true } to let Windows find .cmd, but that causes other issues. |
| 48 | // It breaks ENOENT checking for command-not-found and also handles command/args with spaces |
| 49 | // poorly. |
| 50 | const isCmdOnWindows = ["rush", "npm", "code", "code-insiders", tsc, prettier, autorest]; |
| 51 | |
| 52 | export class CommandFailedError extends Error { |
| 53 | constructor(msg, proc) { |
| 54 | super(msg); |
| 55 | this.proc = proc; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | export function run(command, args, options) { |
| 60 | console.log(); |
| 61 | console.log(`> ${command} ${args.join(" ")}`); |
| 62 | |
| 63 | options = { |
| 64 | stdio: "inherit", |
| 65 | sync: true, |
| 66 | throwOnNonZeroExit: true, |
| 67 | ...options, |
| 68 | }; |
| 69 | |
| 70 | if (process.platform === "win32" && isCmdOnWindows.includes(command)) { |
| 71 | command += ".cmd"; |
| 72 | } |
| 73 | |
| 74 | const proc = (options.sync ? spawnSync : spawn)(command, args, options); |
| 75 | if (proc.error) { |
| 76 | if (options.ignoreCommandNotFound && proc.error.code === "ENOENT") { |
| 77 | console.log(`Skipped: Command \`${command}\` not found.`); |
| 78 | } else { |
| 79 | throw proc.error; |
| 80 | } |
| 81 | } else if (options.throwOnNonZeroExit && proc.status !== undefined && proc.status !== 0) { |
| 82 | throw new CommandFailedError( |
| 83 | `Command \`${command} ${args.join(" ")}\` failed with exit code ${proc.status}`, |
| 84 | proc |
| 85 | ); |
| 86 | } |
| 87 | |
| 88 | return proc; |
| 89 | } |
| 90 | |
| 91 | export function runPrettier(...args) { |
| 92 | run( |
| 93 | prettier, |
| 94 | [ |
| 95 | ...args, |
| 96 | "--config", |
| 97 | ".prettierrc.json", |
| 98 | "--ignore-path", |
| 99 | ".prettierignore", |
| 100 | "**/*.{ts,js,cjs,mjs,json,yml,yaml}", |
| 101 | ], |
| 102 | { |
| 103 | cwd: repoRoot, |
| 104 | } |
| 105 | ); |
| 106 | } |
| 107 | |
| 108 | export function clearScreen() { |
| 109 | process.stdout.write("\x1bc"); |
| 110 | } |
| 111 | |
| 112 | export function runWatch(watch, dir, build, options) { |
| 113 | let lastBuildTime; |
| 114 | dir = resolve(dir); |
| 115 | |
| 116 | // We need to wait for directory to be created before watching it. This deals |
| 117 | // with races between watchers where one watcher must create a directory |
| 118 | // before another can watch it. |
| 119 | // |
| 120 | // For example, we can't watch for tmlanguage.js changes if the source watcher |
| 121 | // hasn't even created the directory in which tmlanguage.js will be written. |
| 122 | try { |
| 123 | statSync(dir); |
| 124 | } catch (err) { |
| 125 | if (err.code === "ENOENT") { |
| 126 | waitForDirectoryCreation(); |
| 127 | return; |
| 128 | } |
| 129 | throw err; |
| 130 | } |
| 131 | |
| 132 | // Directory already exists: we can start watching right away. |
| 133 | start(); |
| 134 | |
| 135 | function waitForDirectoryCreation() { |
| 136 | let dirCreated = false; |
| 137 | let parentDir = dirname(dir); |
| 138 | logWithTime(`Waiting for ${dir} to be created.`); |
| 139 | |
| 140 | watch.createMonitor(parentDir, "created", (monitor) => { |
| 141 | monitor.on("created", (file) => { |
| 142 | if (!dirCreated && file === dir) { |
| 143 | dirCreated = true; // defend against duplicate events. |
| 144 | monitor.stop(); |
| 145 | start(); |
| 146 | } |
| 147 | }); |
| 148 | }); |
| 149 | } |
| 150 | |
| 151 | function start() { |
| 152 | // build once up-front |
| 153 | runBuild(); |
| 154 | |
| 155 | // then build again on any change |
| 156 | watch.createMonitor(dir, { interval: 0.2, ...options }, (monitor) => { |
| 157 | monitor.on("created", (file) => runBuild(`${file} created`)); |
| 158 | monitor.on("removed", (file) => runBuild(`${file} removed`)); |
| 159 | monitor.on("changed", (file) => runBuild(`${file} changed`, monitor.files[file]?.mtime)); |
| 160 | }); |
| 161 | } |
| 162 | |
| 163 | function runBuild(changeDescription, changeTime) { |
| 164 | runBuildAsync(changeDescription, changeTime).catch((err) => { |
| 165 | console.error(err.stack); |
| 166 | process.exit(1); |
| 167 | }); |
| 168 | } |
| 169 | |
| 170 | async function runBuildAsync(changeDescription, changeTime) { |
| 171 | if (changeTime && lastBuildTime && changeTime < lastBuildTime) { |
| 172 | // Don't rebuild if a change happened before the last build kicked off. |
| 173 | // Defends against duplicate events and building more than once when a |
| 174 | // bunch of files are changed at the same time. |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | lastBuildTime = new Date(); |
| 179 | if (changeDescription) { |
| 180 | clearScreen(); |
| 181 | logWithTime(`File change detected: ${changeDescription}. Running build.`); |
| 182 | } else { |
| 183 | logWithTime("Starting build in watch mode."); |
| 184 | } |
| 185 | |
| 186 | try { |
| 187 | await build(); |
| 188 | logWithTime("Build succeeded. Waiting for file changes."); |
| 189 | } catch (err) { |
| 190 | console.error(err.stack); |
| 191 | logWithTime(`Build failed. Waiting for file changes.`); |
| 192 | } |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | export function logWithTime(msg) { |
| 197 | const time = new Date().toLocaleTimeString(); |
| 198 | console.log(`[${time}] ${msg}`); |
| 199 | } |
| 200 | |
| 201 | export function scanSwaggers(root) { |
| 202 | const files = []; |
| 203 | for (const file of readdirSync(root)) { |
| 204 | const fullPath = root + "/" + file; |
| 205 | if (lstatSync(fullPath).isDirectory()) { |
| 206 | scanSwaggers(fullPath).forEach((x) => files.push(x)); |
| 207 | } |
| 208 | if (file === "openapi.json") { |
| 209 | files.push(fullPath); |
| 210 | } |
| 211 | } |
| 212 | return files; |
| 213 | } |
| 214 | |