project-config.ts48 lines · main

1	import { readFile, writeFile } from 'node:fs/promises';
2	import { resolve } from 'node:path';
3
4	/**
5	* Project-local config read from the CWD. The authoritative format per
6	* CLAUDE.md §7.2 is `briven.config.ts`, but Phase 1 reads the simpler
7	* `briven.json` so the CLI can ship before the TS loader exists. Any
8	* `briven.config.ts` takes precedence once its parser lands.
9	*/
10	export const PROJECT_CONFIG_FILENAME = 'briven.json';
11
12	export interface ProjectConfig {
13	name: string;
14	projectId?: string;
15	region?: string;
16	}
17
18	export async function readProjectConfig(
19	cwd: string = process.cwd(),
20	): Promise<ProjectConfig | null> {
21	try {
22	const raw = await readFile(resolve(cwd, PROJECT_CONFIG_FILENAME), 'utf8');
23	const parsed = JSON.parse(raw) as ProjectConfig;
24	if (!parsed || typeof parsed.name !== 'string') return null;
25	return parsed;
26	} catch (err) {
27	if (isNotFound(err)) return null;
28	throw err;
29	}
30	}
31
32	export async function writeProjectConfig(
33	config: ProjectConfig,
34	cwd: string = process.cwd(),
35	): Promise<string> {
36	const path = resolve(cwd, PROJECT_CONFIG_FILENAME);
37	await writeFile(path, `${JSON.stringify(config, null, 2)}\n`);
38	return path;
39	}
40
41	function isNotFound(err: unknown): boolean {
42	return (
43	typeof err === 'object' &&
44	err !== null &&
45	'code' in err &&
46	(err as { code: string }).code === 'ENOENT'
47	);
48	}