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feat: implement client preference storage and detection
- Add Preferences class for managing client selection - Use config files to detect installed clients - Store and persist client preferences - Auto-select single client installations - Fix ClientType definition and usage Co-Authored-By: Michael Latman <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| import { homedir } from 'os'; | ||
| import { join } from 'path'; | ||
| import { existsSync } from 'fs'; | ||
| import { readFile, writeFile, mkdir } from 'fs/promises'; | ||
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| export type ClientType = 'claude' | 'zed' | 'continue' | 'firebase'; | ||
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| export class Preferences { | ||
| private configDir: string; | ||
| private preferencesFile: string; | ||
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| constructor() { | ||
| this.configDir = join(homedir(), '.config', 'mcp-get'); | ||
| this.preferencesFile = join(this.configDir, 'preferences.json'); | ||
| } | ||
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| private async ensureConfigDir(): Promise<void> { | ||
| if (!existsSync(this.configDir)) { | ||
| await mkdir(this.configDir, { recursive: true }); | ||
| } | ||
| } | ||
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| private getClaudeConfigPath(): string { | ||
| if (process.platform === 'win32') { | ||
| return join(process.env.APPDATA || '', 'Claude', 'claude_desktop_config.json'); | ||
| } | ||
| return join(homedir(), 'Library', 'Application Support', 'Claude', 'claude_desktop_config.json'); | ||
| } | ||
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| private getZedConfigPath(): string { | ||
| if (process.platform === 'win32') { | ||
| return join(process.env.APPDATA || '', 'Zed', 'settings.json'); | ||
| } | ||
| return join(homedir(), '.config', 'zed', 'settings.json'); | ||
| } | ||
|
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| private getContinueConfigPath(): string { | ||
| if (process.platform === 'win32') { | ||
| return join(process.env.APPDATA || '', 'Continue', 'config.json'); | ||
| } | ||
| return join(homedir(), '.config', 'continue', 'config.json'); | ||
| } | ||
|
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| private getFirebaseConfigPath(): string { | ||
| if (process.platform === 'win32') { | ||
| return join(process.env.APPDATA || '', 'Firebase', 'genkit', 'config.json'); | ||
| } | ||
| return join(homedir(), '.config', 'firebase', 'genkit', 'config.json'); | ||
| } | ||
|
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| async detectInstalledClients(): Promise<ClientType[]> { | ||
| const installedClients: ClientType[] = []; | ||
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| if (existsSync(this.getClaudeConfigPath())) { | ||
| installedClients.push('claude'); | ||
| } | ||
| if (existsSync(this.getZedConfigPath())) { | ||
| installedClients.push('zed'); | ||
| } | ||
| if (existsSync(this.getContinueConfigPath())) { | ||
| installedClients.push('continue'); | ||
| } | ||
| if (existsSync(this.getFirebaseConfigPath())) { | ||
| installedClients.push('firebase'); | ||
| } | ||
|
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| return installedClients; | ||
| } | ||
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| async getDefaultClients(): Promise<ClientType[]> { | ||
| try { | ||
| await this.ensureConfigDir(); | ||
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| if (!existsSync(this.preferencesFile)) { | ||
| const installedClients = await this.detectInstalledClients(); | ||
| if (installedClients.length > 0) { | ||
| await this.setDefaultClients(installedClients); | ||
| return installedClients; | ||
| } | ||
| return []; | ||
| } | ||
|
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| const data = await readFile(this.preferencesFile, 'utf-8'); | ||
| const prefs = JSON.parse(data); | ||
| return prefs.defaultClients || []; | ||
| } catch (error) { | ||
| console.error('Error reading preferences:', error); | ||
| return []; | ||
| } | ||
| } | ||
|
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| async setDefaultClients(clients: ClientType[]): Promise<void> { | ||
| try { | ||
| await this.ensureConfigDir(); | ||
|
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| const data = JSON.stringify({ | ||
| defaultClients: clients | ||
| }, null, 2); | ||
|
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| await writeFile(this.preferencesFile, data, 'utf-8'); | ||
| } catch (error) { | ||
| console.error('Error saving preferences:', error); | ||
| throw error; | ||
| } | ||
| } | ||
|
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| async shouldPromptForClientSelection(): Promise<boolean> { | ||
| const installedClients = await this.detectInstalledClients(); | ||
| return installedClients.length > 1; | ||
| } | ||
|
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| async getOrSelectDefaultClients(): Promise<ClientType[]> { | ||
| const installedClients = await this.detectInstalledClients(); | ||
|
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| if (installedClients.length === 0) { | ||
| throw new Error('No supported MCP clients detected. Please install at least one supported client.'); | ||
| } | ||
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| if (installedClients.length === 1) { | ||
| await this.setDefaultClients(installedClients); | ||
| return installedClients; | ||
| } | ||
|
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| const defaultClients = await this.getDefaultClients(); | ||
| if (defaultClients.length > 0) { | ||
| return defaultClients; | ||
| } | ||
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| // If no defaults are set but multiple clients are installed, | ||
| // the caller should handle prompting the user for selection | ||
| return []; | ||
| } | ||
| } |