setup travis and codecov

Author: shunjizhan

.gitignore

@@ -6,3 +6,5 @@ npm-debug.log
 build
 node_modules
 .git_backup/
+
+*/**/coverage

.travis.yml

@@ -0,0 +1,21 @@
+language: node_js
+node_js:
+  - 16
+
+# installing required items for build
+install:
+  - npm install -g yarn
+  - yarn
+
+ # testing script
+script:
+  - yarn test
+
+ # notify codecov and deploy to cloud
+after_success:
+  bash <(curl -s https://codecov.io/bash);
+
+branches:
+  only:
+    - master
+    - main

README.md

@@ -1,4 +1,7 @@
 # React Folder Tree
+[![travis build](https://img.shields.io/travis/com/shunjizhan/react-folder-tree?logo=travis)](https://travis-ci.com/shunjizhan/react-folder-tree) [![codecov](https://codecov.io/gh/shunjizhan/react-folder-tree/branch/master/graph/badge.svg?token=26EEM3JIUY)](https://codecov.io/gh/shunjizhan/react-folder-tree) ![npm bundle size](https://img.shields.io/bundlephobia/minzip/react-folder-tree?color=light%20green&label=zipped%20only&logo=webpack)  
+[![npm](https://img.shields.io/npm/v/react-folder-tree?logo=npm)](https://www.npmjs.com/package/react-folder-tree) [![npm](https://img.shields.io/npm/dm/react-folder-tree?logo=DocuSign&color=blue)](https://www.npmjs.com/package/react-folder-tree) ![GitHub top language](https://img.shields.io/github/languages/top/shunjizhan/react-folder-tree?logo=react)
+
 A versatile and customizable react treeview library. Features:  
 ✅ custom icons  
 ✅ custom event handlers  

jest.config.js

@@ -1,6 +1,6 @@
 module.exports = {
   // The directory where Jest should output its coverage files
-  // coverageDirectory: 'coverage',
+  coverageDirectory: 'coverage',
 
   // An array of regexp pattern strings used to skip coverage collection
   coveragePathIgnorePatterns: [
@@ -21,10 +21,10 @@ module.exports = {
   },
 
   // A list of reporter names that Jest uses when writing coverage reports
-  coverageReporters: [
-    'text',
-    // "lcov",
-  ],
+  // coverageReporters: [
+  //   'text',
+  // "lcov",
+  // ],
 
   // A set of global variables that need to be available in all test environments
   globals: {},