try add lcov

Author: Liuhaoran Huang

.circleci/config.yml

@@ -28,8 +28,7 @@ jobs: # a collection of steps
           # Upload test summary for display in Artifacts: https://circleci.com/docs/2.0/artifacts/ 
           path: reports/junit
       - store_artifacts: # for display in Artifacts: https://circleci.com/docs/2.0/artifacts/ 
-          path: ./coverage/lcov.info
-          prefix: coverage
+          path: coverage
       - store_test_results: # for display in Test Summary: https://circleci.com/docs/2.0/collect-test-data/
           path: reports/junit
       # See https://circleci.com/docs/2.0/deployment-integrations/ for deploy examples

package.json

@@ -11,7 +11,7 @@
     "scripts": {
         "start": "tsdx watch",
         "build": "tsdx build",
-        "test": "tsdx test --env=jsdom --runInBand --reporters=default --reporters=jest-junit"
+        "test": "tsdx test --env=jsdom --runInBand --reporters=default --reporters=jest-junit --collectCoverage=true"
     },
     "jest": {
         "setupFilesAfterEnv": [