Files
letta-code/src/project-settings.ts

92 lines
2.7 KiB
TypeScript

// src/project-settings.ts
// Manages project-level settings stored in ./.letta/settings.json
import { join } from "node:path";
import { exists, readFile, writeFile } from "./utils/fs.js";
export interface ProjectSettings {
localSharedBlockIds: Record<string, string>; // label -> blockId mapping for project-local blocks
}
const DEFAULT_PROJECT_SETTINGS: ProjectSettings = {
localSharedBlockIds: {},
};
type RawProjectSettings = {
localSharedBlockIds?: Record<string, string>;
[key: string]: unknown;
};
function getProjectSettingsPath(workingDirectory: string): string {
return join(workingDirectory, ".letta", "settings.json");
}
/**
* Load project settings from ./.letta/settings.json
* If the file doesn't exist or doesn't have localSharedBlockIds, returns defaults
*/
export async function loadProjectSettings(
workingDirectory: string = process.cwd(),
): Promise<ProjectSettings> {
const settingsPath = getProjectSettingsPath(workingDirectory);
try {
if (!exists(settingsPath)) {
return DEFAULT_PROJECT_SETTINGS;
}
const content = await readFile(settingsPath);
const settings = JSON.parse(content) as RawProjectSettings;
// Extract only localSharedBlockIds (permissions and other fields handled elsewhere)
return {
localSharedBlockIds: settings.localSharedBlockIds ?? {},
};
} catch (error) {
console.error("Error loading project settings, using defaults:", error);
return DEFAULT_PROJECT_SETTINGS;
}
}
/**
* Save project settings to ./.letta/settings.json
* Merges with existing settings (like permissions) instead of overwriting
*/
export async function saveProjectSettings(
workingDirectory: string,
updates: Partial<ProjectSettings>,
): Promise<void> {
const settingsPath = getProjectSettingsPath(workingDirectory);
try {
// Read existing settings (might have permissions, etc.)
let existingSettings: RawProjectSettings = {};
if (exists(settingsPath)) {
const content = await readFile(settingsPath);
existingSettings = JSON.parse(content) as RawProjectSettings;
}
// Merge updates with existing settings
const newSettings: RawProjectSettings = {
...existingSettings,
...updates,
};
await writeFile(settingsPath, JSON.stringify(newSettings, null, 2));
} catch (error) {
console.error("Error saving project settings:", error);
throw error;
}
}
/**
* Update specific project settings fields
*/
export async function updateProjectSettings(
workingDirectory: string,
updates: Partial<ProjectSettings>,
): Promise<ProjectSettings> {
await saveProjectSettings(workingDirectory, updates);
return loadProjectSettings(workingDirectory);
}