141 lines
3.7 KiB
TypeScript
141 lines
3.7 KiB
TypeScript
import * as cp from "child_process"
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import * as path from "path"
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import { onLine } from "../../src/node/util"
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async function main(): Promise<void> {
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try {
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const watcher = new Watcher()
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await watcher.watch()
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} catch (error: any) {
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console.error(error.message)
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process.exit(1)
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}
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}
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class Watcher {
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private readonly rootPath = path.resolve(__dirname, "../..")
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private readonly vscodeSourcePath = path.join(this.rootPath, "vendor/modules/code-oss-dev")
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private static log(message: string, skipNewline = false): void {
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process.stdout.write(message)
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if (!skipNewline) {
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process.stdout.write("\n")
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}
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}
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public async watch(): Promise<void> {
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let server: cp.ChildProcess | undefined
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const restartServer = (): void => {
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if (server) {
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server.kill()
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}
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const s = cp.fork(path.join(this.rootPath, "out/node/entry.js"), process.argv.slice(2))
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console.log(`[server] spawned process ${s.pid}`)
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s.on("exit", () => console.log(`[server] process ${s.pid} exited`))
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server = s
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}
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const vscode = cp.spawn("yarn", ["watch"], { cwd: this.vscodeSourcePath })
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const vscodeWebExtensions = cp.spawn("yarn", ["watch-web"], { cwd: this.vscodeSourcePath })
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const tsc = cp.spawn("tsc", ["--watch", "--pretty", "--preserveWatchOutput"], { cwd: this.rootPath })
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const plugin = process.env.PLUGIN_DIR
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? cp.spawn("yarn", ["build", "--watch"], { cwd: process.env.PLUGIN_DIR })
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: undefined
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const cleanup = (code?: number | null): void => {
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Watcher.log("killing vs code watcher")
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vscode.removeAllListeners()
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vscode.kill()
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Watcher.log("killing vs code web extension watcher")
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vscodeWebExtensions.removeAllListeners()
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vscodeWebExtensions.kill()
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Watcher.log("killing tsc")
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tsc.removeAllListeners()
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tsc.kill()
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if (plugin) {
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Watcher.log("killing plugin")
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plugin.removeAllListeners()
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plugin.kill()
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}
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if (server) {
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Watcher.log("killing server")
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server.removeAllListeners()
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server.kill()
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}
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Watcher.log("killing watch")
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process.exit(code || 0)
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}
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process.on("SIGINT", () => cleanup())
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process.on("SIGTERM", () => cleanup())
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vscode.on("exit", (code) => {
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Watcher.log("vs code watcher terminated unexpectedly")
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cleanup(code)
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})
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vscodeWebExtensions.on("exit", (code) => {
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Watcher.log("vs code extension watcher terminated unexpectedly")
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cleanup(code)
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})
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tsc.on("exit", (code) => {
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Watcher.log("tsc terminated unexpectedly")
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cleanup(code)
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})
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if (plugin) {
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plugin.on("exit", (code) => {
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Watcher.log("plugin terminated unexpectedly")
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cleanup(code)
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})
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}
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vscodeWebExtensions.stderr.on("data", (d) => process.stderr.write(d))
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vscode.stderr.on("data", (d) => process.stderr.write(d))
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tsc.stderr.on("data", (d) => process.stderr.write(d))
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if (plugin) {
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plugin.stderr.on("data", (d) => process.stderr.write(d))
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}
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onLine(vscode, (line, original) => {
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console.log("[vscode]", original)
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if (line.includes("Finished compilation")) {
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restartServer()
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}
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})
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onLine(tsc, (line, original) => {
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// tsc outputs blank lines; skip them.
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if (line !== "") {
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console.log("[tsc]", original)
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}
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if (line.includes("Watching for file changes")) {
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restartServer()
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}
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})
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if (plugin) {
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onLine(plugin, (line, original) => {
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// tsc outputs blank lines; skip them.
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if (line !== "") {
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console.log("[plugin]", original)
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}
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if (line.includes("Watching for file changes")) {
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restartServer()
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}
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})
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}
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}
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}
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main()
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