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feat(core): share file list patterns between glob and grep tools (#6359)
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: Arya Gummadi <aryagummadi@google.com>
This commit is contained in:
276
packages/core/src/utils/ignorePatterns.ts
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276
packages/core/src/utils/ignorePatterns.ts
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/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import path from 'path';
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import { Config } from '../config/config.js';
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import { getCurrentGeminiMdFilename } from '../tools/memoryTool.js';
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/**
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* Common ignore patterns used across multiple tools for basic exclusions.
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* These are the most commonly ignored directories in development projects.
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*/
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export const COMMON_IGNORE_PATTERNS: string[] = [
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'**/node_modules/**',
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'**/.git/**',
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'**/bower_components/**',
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'**/.svn/**',
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'**/.hg/**',
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];
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/**
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* Binary file extension patterns that are typically excluded from text processing.
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*/
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export const BINARY_FILE_PATTERNS: string[] = [
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'**/*.bin',
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'**/*.exe',
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'**/*.dll',
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'**/*.so',
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'**/*.dylib',
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'**/*.class',
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'**/*.jar',
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'**/*.war',
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'**/*.zip',
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'**/*.tar',
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'**/*.gz',
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'**/*.bz2',
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'**/*.rar',
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'**/*.7z',
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'**/*.doc',
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'**/*.docx',
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'**/*.xls',
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'**/*.xlsx',
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'**/*.ppt',
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'**/*.pptx',
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'**/*.odt',
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'**/*.ods',
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'**/*.odp',
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];
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/**
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* Media file patterns that require special handling in tools like read-many-files.
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* These files can be processed as inlineData when explicitly requested.
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*/
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export const MEDIA_FILE_PATTERNS: string[] = [
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'**/*.pdf',
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'**/*.png',
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'**/*.jpg',
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'**/*.jpeg',
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'**/*.gif',
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'**/*.webp',
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'**/*.bmp',
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'**/*.svg',
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];
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/**
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* Common directory patterns that are typically ignored in development projects.
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*/
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export const COMMON_DIRECTORY_EXCLUDES: string[] = [
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'**/.vscode/**',
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'**/.idea/**',
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'**/dist/**',
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'**/build/**',
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'**/coverage/**',
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'**/__pycache__/**',
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];
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/**
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* Python-specific patterns.
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*/
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export const PYTHON_EXCLUDES: string[] = ['**/*.pyc', '**/*.pyo'];
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/**
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* System and environment file patterns.
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*/
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export const SYSTEM_FILE_EXCLUDES: string[] = ['**/.DS_Store', '**/.env'];
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/**
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* Comprehensive file exclusion patterns combining all common ignore patterns.
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* These patterns are compatible with glob ignore patterns.
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* Note: Media files (PDF, images) are not excluded here as they need special handling in read-many-files.
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*/
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export const DEFAULT_FILE_EXCLUDES: string[] = [
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...COMMON_IGNORE_PATTERNS,
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...COMMON_DIRECTORY_EXCLUDES,
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...BINARY_FILE_PATTERNS,
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...PYTHON_EXCLUDES,
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...SYSTEM_FILE_EXCLUDES,
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];
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/**
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* Options for configuring file exclusion patterns.
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*/
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export interface ExcludeOptions {
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/**
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* Whether to include default exclusion patterns. Defaults to true.
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*/
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includeDefaults?: boolean;
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/**
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* Additional custom patterns from configuration.
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*/
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customPatterns?: string[];
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/**
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* Additional patterns provided at runtime (e.g., from CLI arguments).
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*/
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runtimePatterns?: string[];
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/**
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* Whether to include dynamic patterns like the current Gemini MD filename. Defaults to true.
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*/
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includeDynamicPatterns?: boolean;
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}
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/**
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* Centralized file exclusion utility that provides configurable and extensible
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* file exclusion patterns for different tools and use cases.
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*/
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export class FileExclusions {
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constructor(private config?: Config) {}
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/**
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* Gets core ignore patterns for basic file operations like glob.
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* These are the minimal essential patterns that should almost always be excluded.
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*/
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getCoreIgnorePatterns(): string[] {
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return [...COMMON_IGNORE_PATTERNS];
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}
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/**
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* Gets comprehensive default exclusion patterns for operations like read-many-files.
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* Includes all standard exclusions: directories, binary files, system files, etc.
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*/
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getDefaultExcludePatterns(options: ExcludeOptions = {}): string[] {
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const {
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includeDefaults = true,
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customPatterns = [],
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runtimePatterns = [],
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includeDynamicPatterns = true,
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} = options;
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const patterns: string[] = [];
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// Add base defaults if requested
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if (includeDefaults) {
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patterns.push(...DEFAULT_FILE_EXCLUDES);
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}
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// Add dynamic patterns (like current Gemini MD filename)
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if (includeDynamicPatterns) {
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patterns.push(`**/${getCurrentGeminiMdFilename()}`);
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}
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// Add custom patterns from configuration
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// TODO: getCustomExcludes method needs to be implemented in Config interface
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if (this.config) {
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const configCustomExcludes = this.config.getCustomExcludes?.() ?? [];
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patterns.push(...configCustomExcludes);
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}
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// Add user-provided custom patterns
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patterns.push(...customPatterns);
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// Add runtime patterns (e.g., from CLI)
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patterns.push(...runtimePatterns);
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return patterns;
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}
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/**
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* Gets exclude patterns for read-many-files tool with legacy compatibility.
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* This maintains the same behavior as the previous getDefaultExcludes() function.
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*/
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getReadManyFilesExcludes(additionalExcludes: string[] = []): string[] {
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return this.getDefaultExcludePatterns({
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includeDefaults: true,
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runtimePatterns: additionalExcludes,
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includeDynamicPatterns: true,
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});
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}
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/**
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* Gets exclude patterns for glob tool operations.
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* Uses core patterns by default but can be extended with additional patterns.
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*/
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getGlobExcludes(additionalExcludes: string[] = []): string[] {
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const corePatterns = this.getCoreIgnorePatterns();
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// Add any custom patterns from config if available
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// TODO: getCustomExcludes method needs to be implemented in Config interface
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const configPatterns = this.config?.getCustomExcludes?.() ?? [];
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return [...corePatterns, ...configPatterns, ...additionalExcludes];
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}
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/**
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* Builds exclude patterns with full customization options.
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* This is the most flexible method for advanced use cases.
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*/
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buildExcludePatterns(options: ExcludeOptions): string[] {
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return this.getDefaultExcludePatterns(options);
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}
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}
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/**
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* Extracts file extensions from glob patterns.
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* Converts patterns like glob/*.exe to .exe
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* Handles brace expansion like glob/*.{js,ts} to .js and .ts
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*/
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export function extractExtensionsFromPatterns(patterns: string[]): string[] {
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const extensions = new Set(
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patterns
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.filter((pattern) => pattern.includes('*.'))
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.flatMap((pattern) => {
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const extPart = pattern.substring(pattern.lastIndexOf('*.') + 1);
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// Handle brace expansion e.g. `**/*.{jpg,png}`
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if (extPart.startsWith('.{') && extPart.endsWith('}')) {
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const inner = extPart.slice(2, -1); // get 'jpg,png'
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return inner
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.split(',')
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.map((ext) => `.${ext.trim()}`)
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.filter((ext) => ext !== '.');
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}
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// Handle simple/compound/dotfile extensions
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if (
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extPart.startsWith('.') &&
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!extPart.includes('/') &&
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!extPart.includes('{') &&
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!extPart.includes('}')
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) {
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// Using path.extname on a dummy file handles various cases like
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// '.tar.gz' -> '.gz' and '.profile' -> '.profile' correctly.
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const extracted = path.extname(`dummy${extPart}`);
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// If extname returns empty (e.g. for '.'), use the original part.
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// Then filter out empty or '.' results and invalid double dot patterns.
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const result = extracted || extPart;
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return result && result !== '.' && !result.substring(1).includes('.')
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? [result]
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: [];
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}
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return [];
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}),
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);
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return Array.from(extensions).sort();
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}
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/**
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* Binary file extensions extracted from BINARY_FILE_PATTERNS for quick lookup.
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* Additional extensions not covered by the patterns are included for completeness.
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*/
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export const BINARY_EXTENSIONS: string[] = [
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...extractExtensionsFromPatterns([
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...BINARY_FILE_PATTERNS,
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...MEDIA_FILE_PATTERNS,
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...PYTHON_EXCLUDES,
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]),
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// Additional binary extensions not in the main patterns
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'.dat',
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'.obj',
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'.o',
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'.a',
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'.lib',
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'.wasm',
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].sort();
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