fix(docs): improve the contribution guidelines

.nycrc

@@ -0,0 +1,12 @@
+{
+  "all": true,
+  "include": ["index.js", "promise.js", "lib/**/*.js"],
+  "exclude": ["mysqldata/**", "node_modules/**", "test/**"],
+  "reporter": ["text", "lcov", "cobertura"],
+  "statements": 88,
+  "branches": 84,
+  "functions": 78,
+  "lines": 88,
+  "checkCoverage": true,
+  "clean": true
+}

Contributing.md

@@ -16,6 +16,8 @@ Contributions are always welcomed. You can help **MySQL2** community in various
 - Performance improvements
 - Add Features
 
+---
+
 ## Security Issues
 
 Please contact project maintainers privately before opening a security issue on Github. It will allow us to fix the issue before attackers know about it.
@@ -24,18 +26,22 @@ Please contact project maintainers privately before opening a security issue on
 
 - Andrey Sidorov, [email protected]
 
+---
+
 ## New Features
 
 It's better to discuss an API before actually start implementing it. You can open an issue on Github. We can discuss design of API and implementation ideas.
 
+---
+
 ## Development
 
 We assume you already have these tools installed on your system:
 
 - MySQL Server
 - Node.JS
 
-As **MySQL2** is purely JS based you can develop it on Linux, Mac or Windows. Please follow these steps
+As **MySQL2** is purely JS based, you can develop it on Linux, Mac or Windows. Please follow these steps
 
 ```bash
 # clone node-mysql2
@@ -47,6 +53,40 @@ cd /path/to/node-mysql2
 npm install
 ```
 
+---
+
+### Commits and Pull Request Titles
+
+To ensure a clean commit history pattern, please use the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/#summary) format.
+
+Prefixes that will trigger a new release version:
+
+- `fix:` for patches, e.g., bug fixes that result in a patch version release.
+- `feat:` for new features, e.g., additions that result in a minor version release.
+
+Examples:
+
+- `fix: message`
+- `feat: message`
+- `docs: message`
+- `fix(module): message`
+- `feat(module): message`
+- etc.
+
+---
+
+### Including Tests
+
+#### Fixes
+
+Where possible, provide an error test case that your fix covers.
+
+#### Features
+
+Please ensure test cases to cover your features.
+
+---
+
 ### Running Tests
 
 Running tests requires MySQL server and an empty database. You can run `bash` command given below to create `test` database
@@ -77,3 +117,12 @@ FILTER='test-timestamp' npm run test
 # or
 FILTER='timeout' npm run test
 ```
+
+> [!Tip]
+> You can also run a single test by performing `node ./test/path-to-test-file`.
+
+For testing **coverage**:
+
+```bash
+npm run coverage-test
+```

codecov.yml

@@ -2,5 +2,5 @@ coverage:
   status:
     project:
       default:
-        target: 90%
+        target: 89%
         threshold: 2%

package.json

@@ -13,7 +13,7 @@
     "test": "poku --debug --include=\"test/esm,test/unit,test/integration\"",
     "test:bun": "poku --debug --platform=\"bun\" --include=\"test/esm,test/unit,test/integration\"",
     "test:tsc-build": "cd \"test/tsc-build\" && npx tsc -p \"tsconfig.json\"",
-    "coverage-test": "c8 -r cobertura -r lcov -r text npm run test",
+    "coverage-test": "c8 npm run test",
     "benchmark": "node ./benchmarks/benchmark.js",
     "prettier": "prettier --single-quote --trailing-comma none --write \"{lib,test}/**/*.js\"",
     "prettier:docs": "prettier --single-quote --trailing-comma none --write README.md",