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Watch plugin and restart when it changes

This commit is contained in:
Asher 2020-07-31 16:27:32 -05:00
parent 361e7103ea
commit 42467b3e66
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GPG Key ID: D63C1EF81242354A

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@ -37,6 +37,7 @@ class Watcher {
const vscode = cp.spawn("yarn", ["watch"], { cwd: this.vscodeSourcePath })
const tsc = cp.spawn("tsc", ["--watch", "--pretty", "--preserveWatchOutput"], { cwd: this.rootPath })
const plugin = cp.spawn("yarn", ["build", "--watch"], { cwd: process.env.PLUGIN_DIR })
const bundler = this.createBundler()
const cleanup = (code?: number | null): void => {
@ -48,6 +49,10 @@ class Watcher {
tsc.removeAllListeners()
tsc.kill()
Watcher.log("killing plugin")
plugin.removeAllListeners()
plugin.kill()
if (server) {
Watcher.log("killing server")
server.removeAllListeners()
@ -69,6 +74,10 @@ class Watcher {
Watcher.log("tsc terminated unexpectedly")
cleanup(code)
})
plugin.on("exit", (code) => {
Watcher.log("plugin terminated unexpectedly")
cleanup(code)
})
const bundle = bundler.bundle().catch(() => {
Watcher.log("parcel watcher terminated unexpectedly")
cleanup(1)
@ -82,6 +91,7 @@ class Watcher {
vscode.stderr.on("data", (d) => process.stderr.write(d))
tsc.stderr.on("data", (d) => process.stderr.write(d))
plugin.stderr.on("data", (d) => process.stderr.write(d))
// From https://github.com/chalk/ansi-regex
const pattern = [
@ -140,6 +150,16 @@ class Watcher {
bundle.then(restartServer)
}
})
onLine(plugin, (line, original) => {
// tsc outputs blank lines; skip them.
if (line !== "") {
console.log("[plugin]", original)
}
if (line.includes("Watching for file changes")) {
bundle.then(restartServer)
}
})
}
private createBundler(out = "dist"): Bundler {