MCP Server Tauri

import { z } from 'zod'; import { execa } from 'execa'; import { getConsoleLogs } from '../driver/webview-interactions.js'; export const ReadLogsSchema = z.object({ source: z.enum([ 'console', 'android', 'ios', 'system' ]) .describe('Log source: "console" for webview JS logs, "android" for logcat, "ios" for simulator, "system" for desktop'), lines: z.number().default(50), filter: z.string().optional().describe('Regex or keyword to filter logs'), since: z.string().optional().describe('ISO timestamp to filter logs since (e.g. 2023-10-27T10:00:00Z)'), windowId: z.string().optional().describe('Window label for console logs (defaults to "main")'), appIdentifier: z.union([ z.string(), z.number() ]).optional().describe( 'App port or bundle ID for console logs. Defaults to the only connected app or the default app if multiple are connected.' ), }); export interface ReadLogsOptions { source: 'console' | 'android' | 'ios' | 'system'; lines?: number; filter?: string; since?: string; windowId?: string; appIdentifier?: string | number; } export async function readLogs(options: ReadLogsOptions): Promise<string> { const { source, lines = 50, filter, since, windowId, appIdentifier } = options; try { let output = ''; // Handle console logs (webview JS logs) if (source === 'console') { return await getConsoleLogs({ filter, since, windowId, appIdentifier }); } if (source === 'android') { // Find adb - check ANDROID_HOME first, then fall back to PATH // eslint-disable-next-line no-process-env const androidHome = process.env.ANDROID_HOME || process.env.ANDROID_SDK_ROOT; const adbPath = androidHome ? `${androidHome}/platform-tools/adb` : 'adb'; const args = [ 'logcat', '-d' ]; if (since) { // adb logcat -T expects "MM-DD HH:MM:SS.mmm" const date = new Date(since); const month = (date.getMonth() + 1).toString().padStart(2, '0'); const day = date.getDate().toString().padStart(2, '0'); const hours = date.getHours().toString().padStart(2, '0'); const minutes = date.getMinutes().toString().padStart(2, '0'); const seconds = date.getSeconds().toString().padStart(2, '0'); const ms = date.getMilliseconds().toString().padStart(3, '0'); const adbTime = `${month}-${day} ${hours}:${minutes}:${seconds}.${ms}`; args.push('-T', adbTime); } else { args.push('-t', lines.toString()); } const { stdout } = await execa(adbPath, args, { timeout: 10000 }); output = stdout; } else if (source === 'ios') { // iOS / macOS const args = [ 'log', 'show', '--style', 'syslog' ]; if (source === 'ios') { args.unshift('xcrun', 'simctl', 'spawn', 'booted'); } if (since) { // log show --start "YYYY-MM-DD HH:MM:SS" // It accepts ISO-like formats too usually, but let's be safe with // local time format if possible // Actually 'log show' on macOS is picky. ISO 8601 works in recent versions. args.push('--start', since); } else { // Default to last 1m if no since provided, as 'lines' isn't // directly supported by log show time window args.push('--last', '1m'); } try { const { stdout } = await execa(args[0], args.slice(1)); // We still apply line limit manually if we didn't use -t (adb) let outLines = stdout.split('\n'); if (!since) { outLines = outLines.slice(-lines); } output = outLines.join('\n'); } catch(e) { return `Error reading logs: ${e}`; } } else { // System (same as iOS essentially but local) const args = [ 'log', 'show', '--style', 'syslog' ]; if (since) { args.push('--start', since); } else { args.push('--last', '1m'); } try { const { stdout } = await execa('log', args.slice(1)); // 'log' is the command let outLines = stdout.split('\n'); if (!since) { outLines = outLines.slice(-lines); } output = outLines.join('\n'); } catch(e) { return `Error reading system logs: ${e}`; } } if (filter) { try { const regex = new RegExp(filter, 'i'); return output.split('\n').filter((line) => { return regex.test(line); }).join('\n'); } catch(e) { return `Invalid filter regex: ${e}`; } } return output; } catch(error) { return `Error reading logs: ${error}`; } }