Migrate to nodejs mongodb driver 4

Author: Rmannn

.github/workflows/test.yml

@@ -1,6 +1,6 @@
 name: Test
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
     build:

package.json

@@ -15,62 +15,59 @@
     "author": "Rmannn <alex.hermann@pop-code.com>",
     "license": "MIT",
     "peerDependencies": {
-        "@nestjs/common": "^7",
-        "@nestjs/core": "^7",
+        "@nestjs/common": "^8",
+        "@nestjs/core": "^8",
         "reflect-metadata": "^0.1.13",
         "class-validator": "^0.13.1"
     },
     "dependencies": {
         "class-transformer": "0.4.0",
         "cls-hooked": "4.2.2",
-        "dataloader": "2.0.0",
-        "debug": "4.3.1",
+        "debug": "4.3.2",
         "global": "4.4.0",
         "lodash": "4.17.21",
-        "mongodb": "3.6.6",
-        "slugify": "1.5.0",
+        "mongodb": "4.0.1",
+        "slugify": "1.6.0",
         "uuid": "8.3.2"
     },
     "devDependencies": {
-        "@nestjs/common": "7.6.15",
-        "@nestjs/core": "7.6.15",
-        "@nestjs/testing": "7.6.15",
-        "@nestjs/platform-express": "7.6.15",
+        "@nestjs/common": "8.0.5",
+        "@nestjs/core": "8.0.5",
+        "@nestjs/testing": "8.0.5",
+        "@nestjs/platform-express": "8.0.5",
         "@types/cls-hooked": "4.3.3",
-        "@types/debug": "4.1.5",
-        "@types/jest": "26.0.23",
-        "@types/lodash": "4.14.169",
-        "@types/mongodb": "3.6.12",
+        "@types/debug": "4.1.7",
+        "@types/jest": "26.0.24",
+        "@types/lodash": "4.14.171",
         "@types/supertest": "2.0.11",
-        "@typescript-eslint/eslint-plugin": "4.23.0",
-        "@typescript-eslint/parser": "4.23.0",
+        "@typescript-eslint/eslint-plugin": "4.28.5",
+        "@typescript-eslint/parser": "4.28.5",
         "class-validator": "0.13.1",
-        "eslint": "7.26.0",
+        "eslint": "7.31.0",
         "eslint-config-prettier": "8.3.0",
         "eslint-config-standard-with-typescript": "20.0.0",
-        "eslint-plugin-import": "2.23.2",
+        "eslint-plugin-import": "2.23.4",
         "eslint-plugin-node": "11.1.0",
         "eslint-plugin-prefer-arrow": "1.2.3",
-        "eslint-plugin-promise": "4.2.1",
+        "eslint-plugin-promise": "5.1.0",
         "eslint-plugin-standard": "5.0.0",
-        "jest": "26.6.3",
-        "prettier": "2.3.0",
+        "jest": "27.0.6",
+        "prettier": "2.3.2",
         "reflect-metadata": "0.1.13",
-        "rxjs": "6.6.7",
-        "supertest": "6.1.3",
-        "ts-jest": "26.5.6",
-        "ts-node": "9.1.1",
-        "tsconfig-paths": "3.9.0",
-        "typedoc": "0.20.36",
-        "typescript": "4.2.4"
+        "rxjs": "7.2.0",
+        "supertest": "6.1.4",
+        "ts-jest": "27.0.4",
+        "ts-node": "10.1.0",
+        "tsconfig-paths": "3.10.1",
+        "typedoc": "0.21.4",
+        "typescript": "4.3.5"
     },
     "scripts": {
         "build": "rm -Rf dist && tsc -b tsconfig.build.json",
         "format": "prettier \"**/*.ts\" --ignore-path ./.prettierignore --write && git status",
         "lint": "eslint .",
         "doc": "rm -Rf ./docs && typedoc ./src && touch ./docs/.nojekyll",
         "test": "jest",
-        "test:build": "jest --rootDir dist",
         "test:watch": "jest --watch",
         "test:cov": "jest --coverage",
         "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand"

src/constants.ts

@@ -1,16 +1,7 @@
 export const DEBUG = 'nestjs-mongo';
-
 export const DEFAULT_CONNECTION_NAME = 'nestjs-mongo:connection:default';
 export const NAMED_CONNECTION_TOKEN = 'nestjs-mongo:connection:name';
-
 export const RELATIONSHIP_METADATA_NAME = 'nestjs-mongo:relationship';
-export const INVERSED_RELATIONSHIP_METADATA_NAME =
-    'nestjs-mongo:inversed_relationship';
-export const RELATIONSHIPS_CASCADES_METADATA_NAME =
-    'nestjs-mongo:relationships_cascades';
-export const CHILD_RELATIONSHIPS = 'nestjs-mongo:child_relationships';
 export const INDEX_METADATA_NAME = 'nestjs-mongo:index';
-
-export const DATA_LOADER_NAMESPACE = 'nestjs-mongo:ns_dataloader';
 export const SESSION_LOADER_NAMESPACE = 'nestjs-mongo:ns_sessionloader';
 export const MONGO_SESSION_KEY = 'ns_sessionloader:mongo_client_session';