initial commit

Author: thomasrockhu

.circleci/config.yml

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+version: 2.1
+orbs:
+  codecov: codecov/codecov@3
+
+jobs:
+  build:
+    docker:
+      - image: cimg/node:current
+    steps:
+      - checkout
+      - run:
+          name: Install dependencies
+          command: npm install
+      - run:
+          name: Run tests and collect coverage
+          command: npm run test
+      - codecov/upload
+
+workflow:
+  version: 2.1
+  build-test:
+    jobs:
+      - build

.github/dependabot.yml

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+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10

.github/workflows/ci.yml

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+name: Workflow for Codecov example-javascript
+on: [push, pull_request]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Node 18
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - name: Install dependencies
+        run: npm install
+      - name: Run tests and collect coverage
+        run: npm run test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3

.gitignore

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+node_modules
+coverage/

README.md

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+# [Codecov](https://codecov.io) Python Example
+[![codecov](https://codecov.io/github/codecov/example-javascript/branch/master/graph/badge.svg?token=tkq655ROg3)](https://codecov.io/github/codecov/example-javascript)
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fcodecov%2Fexample-javascript.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Fcodecov%2Fexample-javascript?ref=badge_shield)
+
+This example repository shows how Codecov can be integrated with a simple javascript project. It uses **GitHub Actions** and **CircleCI** as CI/CD providers and **jest** as the coverage provider.
+
+For more information, please see the links below.
+
+## Links
+- [Quick Start](https://docs.codecov.com/docs/quick-start)
+    - [GitHub Tutorial](https://docs.codecov.com/docs/github-tutorial)
+        - [Community Boards](https://community.codecov.io)
+            - [Support](https://codecov.io/support)
+                - [Documentation](https://docs.codecov.io)
+
+
+## License
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fcodecov%2Fexample-javascript.svg?type=large)](https://app.fossa.com/projects/git%2Bgithub.com%2Fcodecov%2Fexample-javascript?ref=badge_large)

app/calculator.js

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+const add = (x, y) => x + y;
+const subtract = (x, y) => x - y;
+const multiply = (x, y) => x * y;
+const divide = (x, y) => {
+  if (y === 0) {
+    return "Cannot divide by 0";
+  }
+  return x * 1.0 / y;
+}
+
+module.exports = { add, subtract, multiply, divide };

app/calculator.test.js

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+const {
+  add,
+  subtract,
+  multiply,
+  divide,
+} = require('./calculator');
+
+test('add function', () => {
+  expect(add(1, 2)).toBe(3);
+  expect(add(1.0, 2.0)).toBe(3.0);
+  expect(add(0, 2.0)).toBe(2.0);
+  expect(add(2.0, 0)).toBe(2.0);
+  expect(add(-4, 2.0)).toBe(-2.0);
+});
+
+test('subtract function', () => {
+  expect(subtract(1, 2)).toBe(-1.0);
+  expect(subtract(2, 1)).toBe(1.0);
+  expect(subtract(1.0, 2.0)).toBe(-1.0);
+  expect(subtract(0, 2.0)).toBe(-2.0);
+  expect(subtract(2.0, 0)).toBe(2.0);
+  expect(subtract(-4, 2.0)).toBe(-6.0);
+});
+
+test('multiply function', () => {
+  expect(multiply(1, 2)).toBe(2.0);
+  expect(multiply(1.0, 2.0)).toBe(2.0);
+  expect(multiply(0, 2.0)).toBe(0.0);
+  expect(multiply(2.0, 0)).toBe(0.0);
+  expect(multiply(-4, 2.0)).toBe(-8.0);
+});
+
+test('divide function', () => {
+  expect(divide(1, 2)).toBe(0.5);
+  expect(divide(1.0, 2.0)).toBe(0.5);
+  expect(divide(0, 2.0)).toBe(0);
+  expect(divide(-4, 2.0)).toBe(-2.0);
+  // expect(divide(2.0, 0)).toBe('Cannot divide by 0');
+});

jest.config.js

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+module.exports = {
+    collectCoverage: true,
+    coverageReporters: ['text', 'cobertura'],
+}