Start moving code of a specific “page” to a separate place in the bac…

…kend folder

src/backend/db/db-instance.ts

@@ -0,0 +1,9 @@
+import { cacheInvalidationDelay, dbConfig, statsConfig } from '../../util.js';
+import { DatabaseWithPool } from '../../db.js';
+
+export const db = new DatabaseWithPool(
+  dbConfig,
+  statsConfig.numberOfBootstrapSamples,
+  true,
+  cacheInvalidationDelay
+);

src/backend/main/main.ts

@@ -0,0 +1,13 @@
+import { ParameterizedContext } from 'koa';
+import { db } from '../db/db-instance.js';
+import { isReBenchDotDev } from '../../util.js';
+import { processTemplate } from '../../templates.js';
+
+export async function renderMainPage(ctx: ParameterizedContext): Promise<void> {
+  const projects = await db.getAllProjects();
+  ctx.body = processTemplate('../backend/main/index.html', {
+    projects,
+    isReBenchDotDev: isReBenchDotDev()
+  });
+  ctx.type = 'html';
+}

src/index.ts

@@ -4,7 +4,6 @@ import Koa from 'koa';
 import { koaBody } from 'koa-body';
 import Router from 'koa-router';
 
-import { DatabaseWithPool } from './db.js';
 import { BenchmarkData, BenchmarkCompletion, TimelineRequest } from './api.js';
 import { createValidator } from './api-validator.js';
 import * as dataFormatters from './data-format.js';
@@ -31,17 +30,12 @@ import {
   dashMeasurements
 } from './dashboard.js';
 import { prepareTemplate, processTemplate } from './templates.js';
-import {
-  cacheInvalidationDelay,
-  dbConfig,
-  isReBenchDotDev,
-  robustPath,
-  siteConfig,
-  statsConfig
-} from './util.js';
+import { dbConfig, robustPath, siteConfig } from './util.js';
 import { createGitHubClient } from './github.js';
 import { getDirname } from './util.js';
 import { log } from './logging.js';
+import { renderMainPage } from './backend/main/main.js';
+import { db } from './backend/db/db-instance.js';
 
 const __dirname = getDirname(import.meta.url);
 
@@ -61,21 +55,8 @@ const refreshSecret =
 
 const app = new Koa();
 const router = new Router();
-const db = new DatabaseWithPool(
-  dbConfig,
-  statsConfig.numberOfBootstrapSamples,
-  true,
-  cacheInvalidationDelay
-);
 
-router.get('/', async (ctx) => {
-  const projects = await db.getAllProjects();
-  ctx.body = processTemplate('index.html', {
-    projects,
-    isReBenchDotDev: isReBenchDotDev()
-  });
-  ctx.type = 'html';
-});
+router.get('/', renderMainPage);
 
 const projectHtml = prepareTemplate('project.html');
 

src/templates.ts

@@ -5,6 +5,7 @@ import { compile, TemplateFunction, Options } from 'ejs';
 
 const headerHtml = readFileSync(robustPath('views/header.html')).toString();
 
+// TODO: remove this function
 export function processTemplate(filename: string, variables: any = {}): string {
   const fileContent = readFileSync(robustPath(`views/${filename}`)).toString();