feat(codecov): enhance the codecov report (#112)

.github/codecov.yml

@@ -0,0 +1,13 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 50%
+      client: 
+        target: 50%
+        flags:
+          - client
+      server:
+        target: 100%
+        flags:
+          - server

.github/workflows/main.yml

@@ -29,14 +29,14 @@ jobs:
       - name: ▶️ Run build script
         run: npm run build
 
-      - name: ⬆️ Upload karma coverage report
+      - name: ⬆️ Upload client coverage report
         uses: codecov/codecov-action@v2
         with:
           directory: ./coverage/karma
-          flags: karma
+          flags: client
 
-      - name: ⬆️ Upload jest coverage report
+      - name: ⬆️ Upload server coverage report
         uses: codecov/codecov-action@v2
         with:
           directory: ./coverage/jest
-          flags: jest
+          flags: server

package.json

@@ -23,7 +23,8 @@
     "webpack": "babel-node --plugins=transform-es2015-modules-commonjs ./node_modules/.bin/webpack --progress",
     "jest": "jest test/server --env=node --no-cache --collectCoverageFrom='server/' --coverageDirectory='coverage/jest' --coverage --verbose --runInBand --silent=false",
     "prepublishOnly": "npm run babel",
-    "postpublish": "rm -rf ./server && git checkout ./server"
+    "postpublish": "rm -rf ./server && git checkout ./server",
+    "validate-codecov": "curl --data-binary @.github/codecov.yml https://codecov.io/validate"
   },
   "files": [
     "dist/",