Integrate js-db and concurrency testing

.eslintrc

@@ -50,7 +50,8 @@
         },
         "block": {
           "exceptions": ["*"]
-        }
+        },
+        "markers": ["/"]
       }
     ],
     "capitalized-comments": [

benches/gitgc.ts

@@ -2,7 +2,7 @@ import path from 'path';
 import b from 'benny';
 import { suiteCommon } from './utils';
 
-async function main () {
+async function main() {
   let map = new Map();
   let obj = {};
   let arr: any = [];
@@ -18,10 +18,10 @@ async function main () {
         for (let i = 0; i < 1000; i++) {
           map.delete(i);
         }
-        for (const i of map) {
+        for (const _i of map) {
           // NOOP
         }
-      }
+      };
     }),
     b.add('obj', async () => {
       obj = {};
@@ -32,26 +32,26 @@ async function main () {
         for (let i = 0; i < 1000; i++) {
           delete obj[i];
         }
-        for (const i in obj) {
+        for (const _i in obj) {
           // NOOP
         }
       };
     }),
     b.add('arr', async () => {
-      // you first have to count the number of objects
+      // You first have to count the number of objects
       arr = [];
       return async () => {
-        // you have to iterate for each object
+        // You have to iterate for each object
         // then for each value in length
         for (let i = 0; i < 1000; i++) {
           if (i === arr.length) {
-            // double the vector
+            // Double the vector
             arr.length = arr.length * 2 || 2;
           }
           arr[i] = { id: i, mark: false };
-          // arr.push({ id: i, mark: false});
+          // Arr.push({ id: i, mark: false});
         }
-        // this has to iterate the length of the array
+        // This has to iterate the length of the array
         // but stop as soon as it reaches the end
         // it gets complicate, but for 5x improvement
         // it could be interesting
@@ -74,7 +74,7 @@ async function main () {
         for (let i = 0; i < 1000; i++) {
           set.delete(i);
         }
-        for (const i of set) {
+        for (const _i of set) {
           // NOOP
         }
       };

jest.config.js

@@ -77,6 +77,9 @@ module.exports = {
   // Setup files after env are executed before each test file
   // after the jest test environment is installed
   // Can access globals
-  setupFilesAfterEnv: ['<rootDir>/tests/setupAfterEnv.ts'],
+  setupFilesAfterEnv: [
+    'jest-extended/all',
+    '<rootDir>/tests/setupAfterEnv.ts'
+  ],
   moduleNameMapper: moduleNameMapper,
 };