buroventures-harald-code-core
Version:
Harald Code Core - Core functionality for AI-powered coding assistant
204 lines • 9.76 kB
JavaScript
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import * as fs from 'fs/promises';
import * as fsSync from 'fs';
import * as path from 'path';
import { homedir } from 'os';
import { bfsFileSearch } from './bfsFileSearch.js';
import { GEMINI_CONFIG_DIR, getAllGeminiMdFilenames, } from '../tools/memoryTool.js';
import { processImports } from './memoryImportProcessor.js';
import { DEFAULT_MEMORY_FILE_FILTERING_OPTIONS, } from '../config/config.js';
// Simple console logger, similar to the one previously in CLI's config.ts
// TODO: Integrate with a more robust server-side logger if available/appropriate.
const logger = {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
debug: (...args) => console.debug('[DEBUG] [MemoryDiscovery]', ...args),
// eslint-disable-next-line @typescript-eslint/no-explicit-any
warn: (...args) => console.warn('[WARN] [MemoryDiscovery]', ...args),
// eslint-disable-next-line @typescript-eslint/no-explicit-any
error: (...args) => console.error('[ERROR] [MemoryDiscovery]', ...args),
};
async function findProjectRoot(startDir) {
let currentDir = path.resolve(startDir);
while (true) {
const gitPath = path.join(currentDir, '.git');
try {
const stats = await fs.lstat(gitPath);
if (stats.isDirectory()) {
return currentDir;
}
}
catch (error) {
// Don't log ENOENT errors as they're expected when .git doesn't exist
// Also don't log errors in test environments, which often have mocked fs
const isENOENT = typeof error === 'object' &&
error !== null &&
'code' in error &&
error.code === 'ENOENT';
// Only log unexpected errors in non-test environments
// process.env.NODE_ENV === 'test' or VITEST are common test indicators
const isTestEnv = process.env.NODE_ENV === 'test' || process.env.VITEST;
if (!isENOENT && !isTestEnv) {
if (typeof error === 'object' && error !== null && 'code' in error) {
const fsError = error;
logger.warn(`Error checking for .git directory at ${gitPath}: ${fsError.message}`);
}
else {
logger.warn(`Non-standard error checking for .git directory at ${gitPath}: ${String(error)}`);
}
}
}
const parentDir = path.dirname(currentDir);
if (parentDir === currentDir) {
return null;
}
currentDir = parentDir;
}
}
async function getGeminiMdFilePathsInternal(currentWorkingDirectory, userHomePath, debugMode, fileService, extensionContextFilePaths = [], fileFilteringOptions, maxDirs) {
const allPaths = new Set();
const geminiMdFilenames = getAllGeminiMdFilenames();
for (const geminiMdFilename of geminiMdFilenames) {
const resolvedHome = path.resolve(userHomePath);
const globalMemoryPath = path.join(resolvedHome, GEMINI_CONFIG_DIR, geminiMdFilename);
// This part that finds the global file always runs.
try {
await fs.access(globalMemoryPath, fsSync.constants.R_OK);
allPaths.add(globalMemoryPath);
if (debugMode)
logger.debug(`Found readable global ${geminiMdFilename}: ${globalMemoryPath}`);
}
catch {
// It's okay if it's not found.
}
// FIX: Only perform the workspace search (upward and downward scans)
// if a valid currentWorkingDirectory is provided.
if (currentWorkingDirectory) {
const resolvedCwd = path.resolve(currentWorkingDirectory);
if (debugMode)
logger.debug(`Searching for ${geminiMdFilename} starting from CWD: ${resolvedCwd}`);
const projectRoot = await findProjectRoot(resolvedCwd);
if (debugMode)
logger.debug(`Determined project root: ${projectRoot ?? 'None'}`);
const upwardPaths = [];
let currentDir = resolvedCwd;
const ultimateStopDir = projectRoot
? path.dirname(projectRoot)
: path.dirname(resolvedHome);
while (currentDir && currentDir !== path.dirname(currentDir)) {
if (currentDir === path.join(resolvedHome, GEMINI_CONFIG_DIR)) {
break;
}
const potentialPath = path.join(currentDir, geminiMdFilename);
try {
await fs.access(potentialPath, fsSync.constants.R_OK);
if (potentialPath !== globalMemoryPath) {
upwardPaths.unshift(potentialPath);
}
}
catch {
// Not found, continue.
}
if (currentDir === ultimateStopDir) {
break;
}
currentDir = path.dirname(currentDir);
}
upwardPaths.forEach((p) => allPaths.add(p));
const mergedOptions = {
...DEFAULT_MEMORY_FILE_FILTERING_OPTIONS,
...fileFilteringOptions,
};
const downwardPaths = await bfsFileSearch(resolvedCwd, {
fileName: geminiMdFilename,
maxDirs,
debug: debugMode,
fileService,
fileFilteringOptions: mergedOptions,
});
downwardPaths.sort();
for (const dPath of downwardPaths) {
allPaths.add(dPath);
}
}
}
// Add extension context file paths.
for (const extensionPath of extensionContextFilePaths) {
allPaths.add(extensionPath);
}
const finalPaths = Array.from(allPaths);
if (debugMode)
logger.debug(`Final ordered ${getAllGeminiMdFilenames()} paths to read: ${JSON.stringify(finalPaths)}`);
return finalPaths;
}
async function readGeminiMdFiles(filePaths, debugMode, importFormat = 'tree') {
const results = [];
for (const filePath of filePaths) {
try {
const content = await fs.readFile(filePath, 'utf-8');
// Process imports in the content
const processedResult = await processImports(content, path.dirname(filePath), debugMode, undefined, undefined, importFormat);
results.push({ filePath, content: processedResult.content });
if (debugMode)
logger.debug(`Successfully read and processed imports: ${filePath} (Length: ${processedResult.content.length})`);
}
catch (error) {
const isTestEnv = process.env.NODE_ENV === 'test' || process.env.VITEST;
if (!isTestEnv) {
const message = error instanceof Error ? error.message : String(error);
logger.warn(`Warning: Could not read ${getAllGeminiMdFilenames()} file at ${filePath}. Error: ${message}`);
}
results.push({ filePath, content: null }); // Still include it with null content
if (debugMode)
logger.debug(`Failed to read: ${filePath}`);
}
}
return results;
}
function concatenateInstructions(instructionContents,
// CWD is needed to resolve relative paths for display markers
currentWorkingDirectoryForDisplay) {
return instructionContents
.filter((item) => typeof item.content === 'string')
.map((item) => {
const trimmedContent = item.content.trim();
if (trimmedContent.length === 0) {
return null;
}
const displayPath = path.isAbsolute(item.filePath)
? path.relative(currentWorkingDirectoryForDisplay, item.filePath)
: item.filePath;
return `--- Context from: ${displayPath} ---\n${trimmedContent}\n--- End of Context from: ${displayPath} ---`;
})
.filter((block) => block !== null)
.join('\n\n');
}
/**
* Loads hierarchical GEMINI.md files and concatenates their content.
* This function is intended for use by the server.
*/
export async function loadServerHierarchicalMemory(currentWorkingDirectory, debugMode, fileService, extensionContextFilePaths = [], importFormat = 'tree', fileFilteringOptions, maxDirs = 200) {
if (debugMode)
logger.debug(`Loading server hierarchical memory for CWD: ${currentWorkingDirectory} (importFormat: ${importFormat})`);
// For the server, homedir() refers to the server process's home.
// This is consistent with how MemoryTool already finds the global path.
const userHomePath = homedir();
const filePaths = await getGeminiMdFilePathsInternal(currentWorkingDirectory, userHomePath, debugMode, fileService, extensionContextFilePaths, fileFilteringOptions || DEFAULT_MEMORY_FILE_FILTERING_OPTIONS, maxDirs);
if (filePaths.length === 0) {
if (debugMode)
logger.debug('No GEMINI.md files found in hierarchy.');
return { memoryContent: '', fileCount: 0 };
}
const contentsWithPaths = await readGeminiMdFiles(filePaths, debugMode, importFormat);
// Pass CWD for relative path display in concatenated content
const combinedInstructions = concatenateInstructions(contentsWithPaths, currentWorkingDirectory);
if (debugMode)
logger.debug(`Combined instructions length: ${combinedInstructions.length}`);
if (debugMode && combinedInstructions.length > 0)
logger.debug(`Combined instructions (snippet): ${combinedInstructions.substring(0, 500)}...`);
return { memoryContent: combinedInstructions, fileCount: filePaths.length };
}
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