feat: set codecov to informational, remove dead code in nyc config

- remove the parsing of changed files for PRs via nyc.config.js
- add codecov.yml and set reports to informational only (dont block PRs)
- add codecov badge to README

.github/workflows/nodejs.yml

@@ -45,19 +45,19 @@ jobs:
       run: |
         npm run test-coverage-ci || echo "Silently ignoring coverage threshold limit..."
 
-    - name: Check if a valid lcov.info file is generated
-      id: check-lcov-non-empty
-      run: |
-        if [ -s "./coverage/lcov.info" ]; then
-          echo "lcov.info is not empty."
-          echo "isNotEmpty=true" >> $GITHUB_OUTPUT
-        else
-          echo "lcov.info is empty."
-          echo "isNotEmpty=false" >> $GITHUB_OUTPUT
-        fi
+    # - name: Check if a valid lcov.info file is generated
+    #   id: check-lcov-non-empty
+    #   run: |
+    #     if [ -s "./coverage/lcov.info" ]; then
+    #       echo "lcov.info is not empty."
+    #       echo "isNotEmpty=true" >> $GITHUB_OUTPUT
+    #     else
+    #       echo "lcov.info is empty."
+    #       echo "isNotEmpty=false" >> $GITHUB_OUTPUT
+    #     fi
 
     - name: Upload test coverage report
-      if: ${{ steps.check-lcov-non-empty.outputs.isNotEmpty == 'true'}}
+      # if: ${{ steps.check-lcov-non-empty.outputs.isNotEmpty == 'true'}}
       uses: codecov/codecov-action@v4.0.1
       with:
         files: ./coverage/lcov.info

codecov.yml

@@ -0,0 +1,8 @@
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true

nyc.config.js

@@ -1,41 +1,9 @@
-/* eslint-disable max-len */
-'use strict';
-
-// const { execFileSync } = require('child_process');
-
 const opts = {
   branches: 80,
   lines: 80,
   functions: 80,
   statements: 80,
 };
 
-// Only generate coverage report for changed files in PR
-// see: https://github.com/actions/checkout/issues/438#issuecomment-1446882066
-//      https://docs.github.com/en/actions/learn-github-actions/variables#default-environment-variables
-// if (process.env.GITHUB_BASE_REF !== undefined) {
-//   console.log('Generating coverage report for changed files...');
-//   try {
-//     const baseRef = execFileSync('git', [
-//       'rev-parse',
-//       `origin/${process.env.GITHUB_BASE_REF}`,
-//     ])
-//       .toString()
-//       .replace('\n', '');
-//     const headRef = process.env.GITHUB_SHA;
-//     const stdout = execFileSync('git', [
-//       'diff',
-//       '--name-only',
-//       `${baseRef}..${headRef}`,
-//     ]).toString();
-//     opts = {
-//       ...opts,
-//       include: stdout.split('\n'),
-//     };
-//   } catch (error) {
-//     console.log('Error: ', error);
-//   }
-// }
-
 console.log('nyc config: ', opts);
 module.exports = opts;