update circleci config

Author: bahmutov

.circleci/config.yml

@@ -1,17 +1,19 @@
 version: 2.1
-orbs:
-  cypress: cypress-io/[email protected]
-jobs:
-  release:
-    executor: cypress/base-10
-    steps:
-      - attach_workspace:
-          at: ~/
-      - run: npm run semantic-release
 workflows:
   build:
     jobs:
-      - cypress/run
-      - release:
-          requires:
-            - cypress/run
+      - cypress/run:
+          # we need to start the web application
+          start: npm start
+          # there are no jobs to follow this one
+          # so no need to save the workspace files (saves time)
+          no-workspace: true
+          post-steps:
+            # store the created coverage report folder
+            # you can click on it in the CircleCI UI
+            # to see live static HTML site
+            - store_artifacts:
+                path: coverage
+            # publish new version if necessary
+            - run: npm run semantic-release
+

README.md

@@ -14,6 +14,24 @@ and its peer dependencies
 npm install -D nyc istanbul-lib-coverage cypress
 ```
 
+Add to your `cypress/support/index.js` file
+
+```js
+import 'cypress-istanbul/support'
+```
+
+Register tasks in your `cypress/plugins/index.js` file
+
+```js
+module.exports = (on, config) => {
+  on('task', require('cypress-istanbul/task'))
+}
+```
+
+If your application is loaded Istanbul-instrumented source code, then the coverage information will be automatically saved into `.nyc_output` folder and a report will be generated after the tests finish (even in the interactive mode). Find the HTML report in the `coverage` folder.
+
+![Coverage report](images/coverage.png)
+
 ## License
 
 This project is licensed under the terms of the [MIT license](/LICENSE.md).