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watch.ts
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52 lines (49 loc) · 1.27 KB
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import { z } from "zod"
import { Bus } from "../bus"
import fs from "fs"
import { App } from "../app/app"
import { Log } from "../util/log"
import { Flag } from "../flag/flag"
export namespace FileWatcher {
const log = Log.create({ service: "file.watcher" })
export const Event = {
Updated: Bus.event(
"file.watcher.updated",
z.object({
file: z.string(),
event: z.union([z.literal("rename"), z.literal("change")]),
}),
),
}
const state = App.state(
"file.watcher",
() => {
const app = App.use()
if (!app.info.git) return {}
try {
const watcher = fs.watch(app.info.path.cwd, { recursive: true }, (event, file) => {
log.info("change", { file, event })
if (!file) return
// for some reason async local storage is lost here
// https://github.com/oven-sh/bun/issues/20754
App.provideExisting(app, async () => {
Bus.publish(Event.Updated, {
file,
event,
})
})
})
return { watcher }
} catch {
return {}
}
},
async (state) => {
state.watcher?.close()
},
)
export function init() {
if (Flag.OPENCODE_DISABLE_WATCHER || true) return
state()
}
}