feat: use chalk for statements printed to console

Closes #8

package.json

@@ -8,12 +8,13 @@
   "types": "lib/index.d.ts",
   "scripts": {
     "build": "tsc",
-    "lint": "tslint --fix -p . -c tslint.json",
+    "lint": "tslint --fix -p .",
     "test": "jest --coverage",
     "test:tdd": "jest --watch",
     "prepublishOnly": "yarn build"
   },
   "dependencies": {
+    "chalk": "^2.4.2",
     "htmlnano": "^0.2.4",
     "posthtml": "^0.12.0",
     "posthtml-hash": "^0.2.1"

src/index.ts

@@ -1,3 +1,4 @@
+import chalk from 'chalk';
 import fs from 'fs';
 import htmlnano from 'htmlnano';
 import posthtml from 'posthtml';
@@ -33,7 +34,8 @@ async function hashStatic(options: IHashStaticOptions) {
   const result = await posthtml(plugins).process(html);
 
   fs.writeFileSync(entry, result.html);
-  process.stdout.write(`Successfully hashed static assets.\n`);
+
+  console.log(chalk.green('Successfully hashed static assets.'));
 }
 
 async function hashStaticCli(process: NodeJS.Process) {

tests/hashStatic.spec.ts

@@ -5,10 +5,12 @@ import { hashStatic, hashStaticCli } from '../src';
 
 describe('hashStatic', () => {
   beforeEach(() => {
+    jest.spyOn(global.console, 'log');
     process.argv = process.argv.slice(0, 2);
   });
 
   afterEach(() => {
+    jest.clearAllMocks();
     sh.rm('-rf', 'tests/fixtures/basic/processed');
   });
 
@@ -30,6 +32,7 @@ describe('hashStatic', () => {
     const entry = 'tests/fixtures/basic/processed/index.html';
     await hashStatic({ entry });
     const html = fs.readFileSync(entry).toString();
+    expect(console.log).toBeCalledTimes(1);
     expect(html).toMatchSnapshot();
   });
 
@@ -43,6 +46,7 @@ describe('hashStatic', () => {
     const entry = 'tests/fixtures/basic/processed/index.html';
     await hashStatic({ entry, minify: false });
     const html = fs.readFileSync(entry).toString();
+    expect(console.log).toBeCalledTimes(1);
     expect(html).toMatchSnapshot();
   });
 
@@ -57,6 +61,7 @@ describe('hashStatic', () => {
     process.argv.push(entry);
     await hashStaticCli(process);
     const html = fs.readFileSync(entry).toString();
+    expect(console.log).toBeCalledTimes(1);
     expect(html).toMatchSnapshot();
   });
 });

tslint.json

@@ -1,4 +1,4 @@
 {
   "extends": ["tslint:latest", "tslint-config-prettier"],
-  "rules": { "object-literal-sort-keys": false }
+  "rules": { "no-console": false, "object-literal-sort-keys": false }
 }