chore: separate index route

lib/router.js

@@ -1,90 +1,10 @@
 const Router = require('koa-router');
 const router = new Router();
-const art = require('art-template');
-const path = require('path');
 const config = require('./config');
 const logger = require('./utils/logger');
-const pidusage = require('pidusage');
 
-let gitHash;
-try {
-    gitHash = require('git-rev-sync').short();
-} catch (e) {
-    gitHash = (process.env.HEROKU_SLUG_COMMIT && process.env.HEROKU_SLUG_COMMIT.slice(0, 7)) || 'unknown';
-}
-router.get('/', async (ctx) => {
-    ctx.set({
-        'Content-Type': 'text/html; charset=UTF-8',
-    });
-
-    const routes = Object.keys(ctx.debug.routes).sort((a, b) => ctx.debug.routes[b] - ctx.debug.routes[a]);
-    const hotRoutes = routes.slice(0, 50);
-    let hotRoutesValue = '';
-    hotRoutes.forEach((item) => {
-        hotRoutesValue += `${ctx.debug.routes[item]}&nbsp;&nbsp;${item}<br>`;
-    });
-
-    const ips = Object.keys(ctx.debug.ips).sort((a, b) => ctx.debug.ips[b] - ctx.debug.ips[a]);
-    const hotIPs = ips.slice(0, 50);
-    let hotIPsValue = '';
-    hotIPs.forEach((item) => {
-        hotIPsValue += `${ctx.debug.ips[item]}&nbsp;&nbsp;${item}<br>`;
-    });
-
-    let showDebug;
-    if (!config.debugInfo || config.debugInfo === 'false') {
-        showDebug = false;
-    } else {
-        showDebug = config.debugInfo === true || config.debugInfo === ctx.query.debug;
-    }
-
-    const stats = await pidusage(process.pid);
-
-    ctx.set({
-        'Cache-Control': 'no-cache',
-    });
-    ctx.body = art(path.resolve(__dirname, './views/welcome.art'), {
-        showDebug,
-        debug: [
-            {
-                name: 'git hash',
-                value: gitHash,
-            },
-            {
-                name: '请求数',
-                value: ctx.debug.request,
-            },
-            {
-                name: '请求频率',
-                value: ((ctx.debug.request / (stats.elapsed / 1000)) * 60).toFixed(3) + ' 次/分钟',
-            },
-            {
-                name: '缓存命中率',
-                value: ctx.debug.request ? (ctx.debug.hitCache / ctx.debug.request).toFixed(3) : 0,
-            },
-            {
-                name: '内存占用',
-                value: stats.memory / 1000000 + ' MB',
-            },
-            {
-                name: 'CPU 占用',
-                value: stats.cpu + '%',
-            },
-            {
-                name: '运行时间',
-                value: (stats.elapsed / 3600000).toFixed(2) + ' 小时',
-            },
-            {
-                name: '热门路由',
-                value: hotRoutesValue,
-            },
-            {
-                name: '热门IP',
-                value: hotIPsValue,
-            },
-        ],
-    });
-});
+// index
+router.get('/', require('./routes/index'));
 
 // test
 router.get('/test/:id', require('./routes/test'));