Feat: Support macOS and Windows, migrate JavaScript to TypeScript (#32)

- Support macOS and Windows (Close #24 )
- Refactoring
  - Error handling
  - TypeScript
- Prettier (Close #29 )
- GHA: Add upload-artifact step for test coverage
- deps: Install husky

__tests__/get-os.test.ts

@@ -0,0 +1,18 @@
+import getOS from '../src/get-os';
+
+describe('getOS', () => {
+  test('test', () => {
+    expect(getOS('linux')).toBe('Linux');
+    expect(getOS('darwin')).toBe('macOS');
+    expect(getOS('win32')).toBe('Windows');
+  });
+
+  test('test exception', () => {
+    // expect(() => {
+    //   getOS("win32");
+    // }).toThrowError("Windows is not supported");
+    expect(() => {
+      getOS('centos');
+    }).toThrowError('centos is not supported');
+  });
+});

__tests__/get-url.test.ts

@@ -0,0 +1,22 @@
+import getURL from '../src/get-url';
+
+describe('getURL()', () => {
+  test('test', () => {
+    const baseURL =
+      'https://github.com/gohugoio/hugo/releases/download/v0.58.2';
+    const urlLinux = `${baseURL}/hugo_0.58.2_Linux-64bit.tar.gz`;
+    const urlLinuxExtended = `${baseURL}/hugo_extended_0.58.2_Linux-64bit.tar.gz`;
+    const urlMacOS = `${baseURL}/hugo_0.58.2_macOS-64bit.tar.gz`;
+    const urlWindows = `${baseURL}/hugo_0.58.2_Windows-64bit.zip`;
+    expect(getURL('Linux', 'false', '0.58.2')).toBe(urlLinux);
+    expect(getURL('Linux', 'true', '0.58.2')).toBe(urlLinuxExtended);
+    expect(getURL('macOS', 'false', '0.58.2')).toBe(urlMacOS);
+    expect(getURL('Windows', 'false', '0.58.2')).toBe(urlWindows);
+  });
+
+  // test("test exception", () => {
+  //   expect(() => {
+  //     getURL("Linux", "hoge", "0.58.2");
+  //   }).toThrowError("Invalid input (extended): hoge");
+  // });
+});

__tests__/index.test.js

@@ -1,23 +0,0 @@
-const wait = require('./wait');
-const process = require('process');
-const cp = require('child_process');
-const path = require('path');
-
-test('throws invalid number', async() => {
-    await expect(wait('foo')).rejects.toThrow('milleseconds not a number');
-});
-
-test('wait 500 ms', async() => {
-    const start = new Date();
-    await wait(500);
-    const end = new Date();
-    var delta = Math.abs(end - start);
-    expect(delta).toBeGreaterThan(450);
-});
-
-// shows how the runner will run a javascript action with env / stdout protocol
-test('test runs', () => {
-    process.env['INPUT_MILLISECONDS'] = 500;
-    const ip = path.join(__dirname, 'index.js');
-    console.log(cp.execSync(`node ${ip}`).toString());
-})