76 lines
2.3 KiB
TypeScript
76 lines
2.3 KiB
TypeScript
import fs from "node:fs";
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import path from "node:path";
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import JSON5 from "json5";
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import { expandHomePrefix } from "../infra/home-dir.js";
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import { CONFIG_DIR } from "../utils.js";
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import type { CronStoreFile } from "./types.js";
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export const DEFAULT_CRON_DIR = path.join(CONFIG_DIR, "cron");
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export const DEFAULT_CRON_STORE_PATH = path.join(DEFAULT_CRON_DIR, "jobs.json");
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export function resolveCronStorePath(storePath?: string) {
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if (storePath?.trim()) {
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const raw = storePath.trim();
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if (raw.startsWith("~")) {
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return path.resolve(expandHomePrefix(raw));
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}
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return path.resolve(raw);
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}
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return DEFAULT_CRON_STORE_PATH;
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}
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export async function loadCronStore(storePath: string): Promise<CronStoreFile> {
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try {
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const raw = await fs.promises.readFile(storePath, "utf-8");
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let parsed: unknown;
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try {
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parsed = JSON5.parse(raw);
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} catch (err) {
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throw new Error(`Failed to parse cron store at ${storePath}: ${String(err)}`, {
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cause: err,
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});
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}
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const parsedRecord =
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parsed && typeof parsed === "object" && !Array.isArray(parsed)
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? (parsed as Record<string, unknown>)
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: {};
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const jobs = Array.isArray(parsedRecord.jobs) ? (parsedRecord.jobs as never[]) : [];
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return {
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version: 1,
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jobs: jobs.filter(Boolean) as never as CronStoreFile["jobs"],
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};
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} catch (err) {
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if ((err as { code?: unknown })?.code === "ENOENT") {
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return { version: 1, jobs: [] };
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}
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throw err;
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}
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}
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export async function saveCronStore(storePath: string, store: CronStoreFile) {
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await fs.promises.mkdir(path.dirname(storePath), { recursive: true });
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const { randomBytes } = await import("node:crypto");
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const json = JSON.stringify(store, null, 2);
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let previous: string | null = null;
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try {
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previous = await fs.promises.readFile(storePath, "utf-8");
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} catch (err) {
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if ((err as { code?: unknown }).code !== "ENOENT") {
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throw err;
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}
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}
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if (previous === json) {
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return;
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}
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const tmp = `${storePath}.${process.pid}.${randomBytes(8).toString("hex")}.tmp`;
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await fs.promises.writeFile(tmp, json, "utf-8");
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if (previous !== null) {
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try {
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await fs.promises.copyFile(storePath, `${storePath}.bak`);
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} catch {
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// best-effort
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}
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}
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await fs.promises.rename(tmp, storePath);
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}
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