cf9443753e
Package the portable DSH profiles, local plugins, desktop integration, Firefox wrapper, and ownership-aware installer lifecycle. Bundle checksum-pinned OpenVSCode, editor extensions, translation assets, and cloudflared so unreliable upstream artifact downloads cannot break a clean installation.
60 lines
2.2 KiB
JavaScript
60 lines
2.2 KiB
JavaScript
import { mkdir, readFile, rename, writeFile } from 'node:fs/promises'
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import { dirname, isAbsolute } from 'node:path'
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export class MutationStore {
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constructor(filePath) {
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this.filePath = filePath
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this.sessions = new Map()
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this.loadError = null
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this.ready = this.load().catch(error => { this.loadError = error })
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this.pendingWrite = Promise.resolve()
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}
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async load() {
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let content
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try {
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content = await readFile(this.filePath, 'utf8')
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} catch (error) {
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if (error.code === 'ENOENT') return
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throw error
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}
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const sessions = JSON.parse(content)
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if (!sessions || typeof sessions !== 'object' || Array.isArray(sessions)) throw new Error('Invalid mutation record store.')
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for (const [sessionId, entries] of Object.entries(sessions)) {
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if (!Array.isArray(entries)) throw new Error('Invalid mutation record list.')
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const records = new Map()
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for (const entry of entries) {
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if (!entry || typeof entry.callId !== 'string' || !isAbsolute(entry.filePath || '')) throw new Error('Invalid mutation record.')
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records.set(entry.callId, entry)
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}
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this.sessions.set(sessionId, records)
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}
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}
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async get(sessionId, callId) {
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await this.ready
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if (this.loadError) throw this.loadError
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return this.sessions.get(sessionId)?.get(callId) || null
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}
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async record(mutation) {
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await this.ready
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if (this.loadError) throw this.loadError
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let records = this.sessions.get(mutation.sessionId)
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if (!records) {
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records = new Map()
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this.sessions.set(mutation.sessionId, records)
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}
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records.set(mutation.callId, { ...mutation, recordedAt: new Date().toISOString() })
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this.pendingWrite = this.pendingWrite.catch(() => {}).then(() => this.persist())
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await this.pendingWrite
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}
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async persist() {
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await mkdir(dirname(this.filePath), { recursive: true, mode: 0o700 })
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const data = Object.fromEntries([...this.sessions].map(([sessionId, records]) => [sessionId, [...records.values()]]))
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const temporaryPath = `${this.filePath}.tmp-${process.pid}`
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await writeFile(temporaryPath, `${JSON.stringify(data)}\n`, { mode: 0o600 })
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await rename(temporaryPath, this.filePath)
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}
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}
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