fix: cleanup project and add more tests

Author: armano2

@commitlint/prompt/fixtures/cli.js

@@ -38,9 +38,7 @@
   "devDependencies": {
     "@commitlint/utils": "^11.0.0",
     "@types/inquirer": "^6.5.0",
-    "@types/concat-stream": "^1.6.0",
     "commitizen": "4.2.2",
-    "concat-stream": "^2.0.0",
     "inquirer": "^6.5.2"
   },
   "dependencies": {

@commitlint/prompt/package.json

@@ -1,6 +1,5 @@
 import inquirer from 'inquirer';
 import input from './input';
-import InputCustomPrompt from './inquirer/InputCustomPrompt';
 
 type Commit = (input: string) => void;
 
@@ -14,7 +13,6 @@ export async function prompter(
 	cz: typeof inquirer,
 	commit: Commit
 ): Promise<void> {
-	cz.prompt.registerPrompt('input-custom', InputCustomPrompt);
 	const message = await input(cz.prompt);
 	commit(message);
 }

@commitlint/prompt/src/index.ts

@@ -7,6 +7,7 @@ import settings from './settings';
 import {InputSetting, Result} from './library/types';
 
 import {getHasName, getMaxLength, getRules} from './library/utils';
+import InputCustomPrompt from './inquirer/InputCustomPrompt';
 
 /**
  * Get user input by interactive prompt based on
@@ -26,6 +27,7 @@ export default async function input(prompter: PromptModule): Promise<string> {
 
 	try {
 		const questions: DistinctQuestion<Result>[] = [];
+		prompter.registerPrompt('input-custom', InputCustomPrompt);
 
 		for (const input of parts) {
 			const inputSettings: InputSetting = settings[input];

@commitlint/prompt/src/input.test.ts

@@ -5,6 +5,7 @@ import inquirer from 'inquirer';
 import InputPrompt from 'inquirer/lib/prompts/input';
 import observe from 'inquirer/lib/utils/events';
 import type {Subscription} from 'rxjs/internal/Subscription';
+import './inquirer.d.ts';
 
 import Answers = inquirer.Answers;
 import InputCustomOptions = inquirer.InputCustomOptions;

@commitlint/prompt/src/input.ts

@@ -0,0 +1,55 @@
+import {Result} from './types';
+import format from './format';
+
+test('should return empty string', () => {
+	const result: Result = {};
+	expect(format(result)).toBe(' ');
+});
+
+test('should omit scope', () => {
+	const result: Result = {
+		type: 'fix',
+		subject: 'test',
+	};
+	expect(format(result)).toBe('fix: test');
+});
+
+test('should include scope', () => {
+	const result: Result = {
+		type: 'fix',
+		scope: 'prompt',
+		subject: 'test',
+	};
+	expect(format(result)).toBe('fix(prompt): test');
+});
+
+test('should include body', () => {
+	const result: Result = {
+		type: 'fix',
+		scope: 'prompt',
+		subject: 'test',
+		body: 'some body',
+	};
+	expect(format(result)).toBe('fix(prompt): test\nsome body');
+});
+
+test('should include footer', () => {
+	const result: Result = {
+		type: 'fix',
+		scope: 'prompt',
+		subject: 'test',
+		footer: 'some footer',
+	};
+	expect(format(result)).toBe('fix(prompt): test\nsome footer');
+});
+
+test('should include body and footer', () => {
+	const result: Result = {
+		type: 'fix',
+		scope: 'prompt',
+		subject: 'test',
+		body: 'some body',
+		footer: 'some footer',
+	};
+	expect(format(result)).toBe('fix(prompt): test\nsome body\nsome footer');
+});

@commitlint/prompt/src/inquirer/InputCustomPrompt.ts

@@ -27,7 +27,9 @@ export default function format(input: Result, debug = false): string {
 	// Return formatted string
 	const {type, scope, subject, body, footer} = results;
 	return [
-		`${type}${scope ? `(${scope})` : ''}${type || scope ? ':' : ''} ${subject}`,
+		`${type || ''}${scope ? `(${scope})` : ''}${type || scope ? ':' : ''} ${
+			subject || ''
+		}`,
 		body,
 		footer,
 	]

@commitlint/prompt/src/library/format.test.ts

@@ -2225,13 +2225,6 @@
   resolved "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
-"@types/concat-stream@^1.6.0":
-  version "1.6.0"
-  resolved "https://registry.npmjs.org/@types/concat-stream/-/concat-stream-1.6.0.tgz#394dbe0bb5fee46b38d896735e8b68ef2390d00d"
-  integrity sha1-OU2+C7X+5Gs42JZzXoto7yOQ0A0=
-  dependencies:
-    "@types/node" "*"
-
 "@types/events@*":
   version "3.0.0"
   resolved "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"