From 75d0bda7c94eaba40a6158d4e5c5bd6470cff16c Mon Sep 17 00:00:00 2001
From: Valery Melou <me@valerymelou.com>
Date: Sun, 21 Apr 2024 19:23:52 +0100
Subject: [PATCH] Refactor CI workflow and add merge-lcov script

---
 .github/workflows/ci.yml  | 31 ++++++++++++++++++-------------
 package.json              |  4 +++-
 tools/merge-lcov-files.js | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 14 deletions(-)
 create mode 100644 tools/merge-lcov-files.js

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a88ae5..8488587 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,27 +15,32 @@ permissions:
   contents: read
 
 jobs:
-  main:
+  test:
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout Code Repository
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      # Connect your workspace on nx.app and uncomment this to enable task distribution.
-      # The "--stop-agents-after" is optional, but allows idle agents to shut down once the "build" targets have been requested
-      - run: yarn nx-cloud start-ci-run --distribute-on="5 linux-medium-js" --stop-agents-after="build"
+      - uses: nrwl/nx-set-shas@v3
+        with:
+          main-branch-name: develop
 
-      # Cache node_modules
-      - uses: actions/setup-node@v3
+      - name: Setup Node
+        uses: actions/setup-node@v3
         with:
           node-version: 20
           cache: 'yarn'
-      - run: yarn install --frozen-lockfile
-      - uses: nrwl/nx-set-shas@v4
 
-      - run: git branch --track main origin/main
-        if: ${{ github.event_name == 'pull_request' }}
+      - run: yarn install
+      - run: npx nx affected --target=lint --parallel=3
+      - run: npx nx affected --target=test --parallel=3 --code-coverage
+      - run: yarn merge-lcov
 
-      - run: yarn nx-cloud record -- nx format:check
-      - run: yarn nx affected -t lint test build
+      - name: Code Coverage
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage/lcov.info
diff --git a/package.json b/package.json
index d03dd7e..9dbf222 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,9 @@
   "name": "@valerymelou/source",
   "version": "0.0.0",
   "license": "MIT",
-  "scripts": {},
+  "scripts": {
+    "merge-lcov": "node tools/merge-lcov-files.js"
+  },
   "private": true,
   "dependencies": {
     "@angular/animations": "~17.3.0",
diff --git a/tools/merge-lcov-files.js b/tools/merge-lcov-files.js
new file mode 100644
index 0000000..2c9ce89
--- /dev/null
+++ b/tools/merge-lcov-files.js
@@ -0,0 +1,32 @@
+const glob = require('glob');
+const fs = require('fs');
+const path = require('path');
+
+const getLcovFiles = function (src) {
+  return new Promise((resolve, reject) => {
+    glob(`${src}/**/lcov.info`, (error, result) => {
+      if (error) return reject(error);
+      resolve(result);
+      return null;
+    });
+  });
+};
+
+(async function () {
+  const files = await getLcovFiles('coverage');
+  if (files && files instanceof Array) {
+    const mergedReport = files.reduce(
+      (report, currFile) => (report += fs.readFileSync(currFile)),
+      '',
+    );
+    await fs.writeFile(
+      path.resolve('./coverage/lcov.info'),
+      mergedReport,
+      (err) => {
+        if (err) console.log(err); // skipcq: JS-0002
+        console.log('The file has been saved!'); // skipcq: JS-0002
+        return null;
+      },
+    );
+  }
+})();