refactor(): Rewrite benchmark script to TS

benchmarks/run.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-echo 'Library:' $1
-node $1 &
-pid=$!
-
-sleep 2
-
-wrk 'http://localhost:3000' \
-  -d 10 \
-  -c 1024 \
-  -t 8 
-
-kill $pid

benchmarks/run_all.sh

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-
-: > all_output.txt
-
-lib=(express fastify nest nest-fastify)
-for item in ${lib[*]}
-do
-  echo '-----------------------' >> all_output.txt
-  echo $item >> all_output.txt
-  echo '-----------------------' >> all_output.txt
-
-  node $item &
-  pid=$!
-
-  sleep 2
-  
-  wrk 'http://localhost:3000' \
-    -d 10 \
-    -c 1024 \
-    -t 8 >> all_output.txt
-
-    kill $pid
-done

package.json

@@ -130,7 +130,8 @@
     "supertest": "4.0.2",
     "ts-node": "8.3.0",
     "tslint": "5.19.0",
-    "typescript": "3.5.3"
+    "typescript": "3.5.3",
+    "wrk": "^1.2.0"
   },
   "collective": {
     "type": "opencollective",

tools/benchmarks/check-benchmarks.ts

@@ -0,0 +1 @@
+// TODO: implement @krzkaczor

tools/benchmarks/get-benchmarks.ts

@@ -0,0 +1,48 @@
+import wrkPkg = require('wrk');
+import { spawn } from 'child_process';
+import { join } from 'path';
+
+const wrk = (options: any) =>
+  new Promise((resolve, reject) =>
+    wrkPkg(options, (err: any, result: any) =>
+      err ? reject(err) : resolve(result),
+    ),
+  );
+
+const sleep = (time: number) =>
+  new Promise(resolve => setTimeout(resolve, time));
+
+const BENCHMARK_PATH = join(__dirname, '../../benchmarks');
+const LIBS = ['express', 'fastify', 'nest', 'nest-fastify'];
+
+async function runBenchmarkOfLib(lib: string) {
+  const libPath = join(BENCHMARK_PATH, `${lib}.js`);
+  const process = spawn('node', [libPath], {
+    detached: true,
+    stdio: 'ignore'
+  });
+
+  process.unref();
+
+  await sleep(2000);
+
+  const result = await wrk({
+    threads: 8,
+    duraton: '10s',
+    connections: 1024,
+    url: 'http://localhost:3000',
+  });
+
+  process.kill();
+
+  return result;
+}
+
+export async function getBenchmarks() {
+  const results = {};
+  for await (const lib of LIBS) {
+    const result = await runBenchmarkOfLib(lib);
+    results[lib] = result;
+  }
+  return results;
+}