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feat: zero-config indexing driven by .gitignore (#283) (#285)

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Remove .codegraph/config.json and the entire config surface. CodeGraph now
indexes every file whose extension maps to a supported language and respects
.gitignore everywhere — git repos via git itself, non-git projects via the
`ignore` library (root + nested .gitignore files, the same way git does).

- Remove CodeGraphConfig/DEFAULT_CONFIG, src/config.ts, and the public config
  API (the `config` option on init, getConfig/updateConfig/getConfigPath).
- Derive the source-file allowlist from EXTENSION_MAP (isSourceFile); maxFileSize
  is now a constant. Drop the .codegraphignore marker.
- Behavior change: committed, non-gitignored dirs (vendor/, a committed dist/)
  are now indexed — .gitignore is the single source of truth.

Earlier inert fields (languages, frameworks, extractDocstrings, trackCallSites,
customPatterns) and their dead helpers are removed as part of this.

Resolves #283.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Colby Mchenry
2026-05-21 18:06:02 -05:00
committed by GitHub
co-authored by Claude Opus 4.7
parent 5b71a89574
commit f6772dac7c
16 changed files with 223 additions and 996 deletions
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__tests__/watcher.test.ts
+9 -22
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@@ -9,7 +9,6 @@ import * as fs from 'fs';
import * as path from 'path';
import * as os from 'os';
import { FileWatcher } from '../src/sync/watcher';
import type { CodeGraphConfig } from '../src/types';
import CodeGraph from '../src/index';
/**
@@ -34,18 +33,6 @@ function waitFor(
describe('FileWatcher', () => {
let testDir: string;
const baseConfig: CodeGraphConfig = {
version: 1,
rootDir: '.',
include: ['**/*.ts', '**/*.js'],
exclude: ['**/node_modules/**', '**/dist/**'],
languages: [],
frameworks: [],
maxFileSize: 1024 * 1024,
extractDocstrings: true,
trackCallSites: true,
};
beforeEach(() => {
testDir = fs.mkdtempSync(path.join(os.tmpdir(), 'codegraph-watcher-'));
// Create a source file so the directory isn't empty
@@ -63,7 +50,7 @@ describe('FileWatcher', () => {
describe('start/stop lifecycle', () => {
it('should start and stop without errors', () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 0, durationMs: 0 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn);
const watcher = new FileWatcher(testDir, syncFn);
const started = watcher.start();
expect(started).toBe(true);
@@ -75,7 +62,7 @@ describe('FileWatcher', () => {
it('should be idempotent on double start', () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 0, durationMs: 0 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn);
const watcher = new FileWatcher(testDir, syncFn);
expect(watcher.start()).toBe(true);
expect(watcher.start()).toBe(true); // Should not throw
@@ -86,7 +73,7 @@ describe('FileWatcher', () => {
it('should be idempotent on double stop', () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 0, durationMs: 0 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn);
const watcher = new FileWatcher(testDir, syncFn);
watcher.start();
watcher.stop();
@@ -98,7 +85,7 @@ describe('FileWatcher', () => {
describe('debounced sync', () => {
it('should trigger sync after file change', async () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 1, durationMs: 10 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn, { debounceMs: 200 });
const watcher = new FileWatcher(testDir, syncFn, { debounceMs: 200 });
watcher.start();
@@ -114,7 +101,7 @@ describe('FileWatcher', () => {
it('should debounce rapid changes into a single sync', async () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 1, durationMs: 10 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn, { debounceMs: 500 });
const watcher = new FileWatcher(testDir, syncFn, { debounceMs: 500 });
watcher.start();
@@ -140,7 +127,7 @@ describe('FileWatcher', () => {
describe('filtering', () => {
it('should ignore files not matching include patterns', async () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 0, durationMs: 0 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn, { debounceMs: 200 });
const watcher = new FileWatcher(testDir, syncFn, { debounceMs: 200 });
watcher.start();
@@ -160,7 +147,7 @@ describe('FileWatcher', () => {
it('should ignore .codegraph directory changes', async () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 0, durationMs: 0 });
const watcher = new FileWatcher(testDir, baseConfig, syncFn, { debounceMs: 200 });
const watcher = new FileWatcher(testDir, syncFn, { debounceMs: 200 });
watcher.start();
@@ -185,7 +172,7 @@ describe('FileWatcher', () => {
it('should call onSyncComplete after successful sync', async () => {
const syncFn = vi.fn().mockResolvedValue({ filesChanged: 2, durationMs: 50 });
const onSyncComplete = vi.fn();
const watcher = new FileWatcher(testDir, baseConfig, syncFn, {
const watcher = new FileWatcher(testDir, syncFn, {
debounceMs: 200,
onSyncComplete,
});
@@ -203,7 +190,7 @@ describe('FileWatcher', () => {
it('should call onSyncError when sync throws', async () => {
const syncFn = vi.fn().mockRejectedValue(new Error('sync failed'));
const onSyncError = vi.fn();
const watcher = new FileWatcher(testDir, baseConfig, syncFn, {
const watcher = new FileWatcher(testDir, syncFn, {
debounceMs: 200,
onSyncError,
});