Package breakdown - initial commit 1.0.0

lib/middleware/authenication.ts

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+import { Middleware } from 'koa';
+
+import { LOGIN_ROUTE } from '../constants/env';
+
+export const authenticated = (): Middleware => {
+    return (ctx, next) => {
+        if (ctx.isAuthenticated()) {
+            return next();
+        } else {
+            ctx.redirect(process.env.LOGIN_ROUTE || LOGIN_ROUTE);
+        }
+    };
+};

lib/middleware/errorHandler.ts

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+import { StatusCodes } from 'http-status-codes';
+import { Context, Next } from 'koa';
+
+export const errorHandler = async (ctx: Context, next: Next) => {
+    try {
+        await next();
+    } catch (error: any) {
+        ctx.status = error.statusCode || error.status || StatusCodes.INTERNAL_SERVER_ERROR;
+        error.status = ctx.status;
+        ctx.body = { error };
+        ctx.app.emit('error', error, ctx);
+    }
+};

lib/middleware/performance.ts

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+import { Context, Next } from 'koa';
+
+export const performanceLogger = async (ctx: Context, next: Next) => {
+    await next();
+    const rt = ctx.response.get('X-Response-Time');
+    console.log(`${ctx.method} ${ctx.url} - ${rt}`);
+};
+
+export const performanceTimer = async (ctx: Context, next: Next) => {
+    const start = Date.now();
+    await next();
+    const ms = Date.now() - start;
+    ctx.set('X-Response-Time', `${ms}ms`);
+};