mikael-lovqvists-claude-agent
33bd288f9e
- package.json (ESM, bin entry) - bin/delta-backup.js — entrypoint - lib/args.js — CLI arg parsing via Node parseArgs - lib/config.js — config file merging + required path guards - lib/spawn.js — safe process spawning (no shell strings) - lib/state.js — sequence number + phase state management - lib/backends/zstd.js — zstd delta backend - lib/backends/index.js — backend registry - lib/commands/run.js — full run skeleton (phases 1-3 wired, 4-6 stubbed) - lib/commands/status.js — status command
44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
/**
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* Config loading — merges JSON config file with CLI args.
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* CLI args always win. Required paths are validated here.
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*/
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import { readFile } from 'fs/promises';
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const REQUIRED_PATHS = ['source', 'prev', 'pend', 'deltas'];
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const DEFAULTS = {
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backend: 'zstd',
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};
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export async function loadConfig(args) {
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let fileConfig = {};
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if (args.config) {
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try {
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const raw = await readFile(args.config, 'utf8');
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fileConfig = JSON.parse(raw);
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} catch (err) {
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console.error(`Error reading config file ${args.config}: ${err.message}`);
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process.exit(1);
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}
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}
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// CLI args override file config, file config overrides defaults
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const config = { ...DEFAULTS, ...fileConfig, ...filterDefined(args) };
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// Guard: refuse to run if any required path is missing
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if (config.command === 'run') {
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const missing = REQUIRED_PATHS.filter(k => !config[k]);
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if (missing.length > 0) {
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console.error(`Error: missing required options: ${missing.map(k => `--${k}`).join(', ')}`);
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console.error('Provide them as CLI flags or in a --config JSON file.');
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process.exit(1);
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}
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}
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return config;
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}
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function filterDefined(obj) {
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return Object.fromEntries(Object.entries(obj).filter(([, v]) => v !== undefined));
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}
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