refactor: Fix lint errors

__tests__/main.test.ts

@@ -1,11 +1,11 @@
 import * as main from '../src/main';
-const nock = require('nock');
+import nock from 'nock';
 // import {FetchError} from 'node-fetch';
 import jsonTestBrew from './data/brew.json';
 // import jsonTestGithub from './data/github.json';
 
 jest.setTimeout(30000);
-const repo: string = 'hugo';
+const repo = 'hugo';
 
 beforeEach(() => {
   jest.resetModules();
@@ -18,7 +18,7 @@ afterEach(() => {
 
 describe('Integration testing run()', () => {
   test('succeed in installing a custom version', async () => {
-    const testVersion: string = '0.61.0';
+    const testVersion = '0.61.0';
     process.env['INPUT_HUGO-VERSION'] = testVersion;
     const result: main.ActionResult = await main.run();
     expect(result.exitcode).toBe(0);
@@ -26,7 +26,7 @@ describe('Integration testing run()', () => {
   });
 
   test('succeed in installing the latest version', async () => {
-    const testVersion: string = 'latest';
+    const testVersion = 'latest';
     process.env['INPUT_HUGO-VERSION'] = testVersion;
     nock('https://formulae.brew.sh')
       .get(`/api/formula/${repo}.json`)
@@ -49,11 +49,8 @@ describe('showVersion()', () => {
     expect(result.output).toMatch(/git version/);
   });
 
-  test('return exception', async () => {
-    try {
-      result = await main.showVersion('gitgit', ['--version']);
-    } catch (e) {
-      expect(e).toThrow(Error);
-    }
+  test('return not found', async () => {
+    result = await main.showVersion('gitgit', ['--version']);
+    expect(result.exitcode).not.toBe(0);
   });
 });

src/main.ts

@@ -13,29 +13,28 @@ export async function showVersion(
   cmd: string,
   args: string[]
 ): Promise<ActionResult> {
-  try {
-    const result: ActionResult = {
-      exitcode: 0,
-      output: ''
-    };
+  const result: ActionResult = {
+    exitcode: 0,
+    output: ''
+  };
 
-    const options = {
-      listeners: {
-        stdout: (data: Buffer): void => {
-          result.output += data.toString();
-        }
+  const options = {
+    listeners: {
+      stdout: (data: Buffer): void => {
+        result.output += data.toString();
       }
-    };
+    }
+  };
 
+  try {
     result.exitcode = await exec.exec(cmd, args, options);
-    core.debug(`
-      exit code: ${result.exitcode}
-      stdout: ${result.output}
-    `);
-    return result;
   } catch (e) {
     return e;
   }
+  core.debug(`command: ${cmd} ${args}`);
+  core.debug(`exit code: ${result.exitcode}`);
+  core.debug(`stdout: ${result.output}`);
+  return result;
 }
 
 export async function run(): Promise<ActionResult> {