feat: migrate music

src/index.ts

@@ -1,5 +1,6 @@
 import { Datatype } from './datatype';
 import { Mersenne } from './mersenne';
+import { Music } from './music';
 import { Random } from './random';
 
 export interface FakerOptions {
@@ -175,7 +176,7 @@ export class Faker {
   readonly image = new (require('./image'))(this);
   readonly internet = new (require('./internet'))(this);
   readonly lorem = new (require('./lorem'))(this);
-  readonly music = new (require('./music'))(this);
+  readonly music: Music = new Music(this);
   readonly name = new (require('./name'))(this);
   readonly phone = new (require('./phone_number'))(this);
   readonly system = new (require('./system'))(this);

src/music.ts

@@ -0,0 +1,29 @@
+import type { Faker } from '.';
+
+export class Music {
+  constructor(private readonly faker: Faker) {
+    // Bind `this` so namespaced is working correctly
+    for (const name of Object.getOwnPropertyNames(Music.prototype)) {
+      if (name === 'constructor' || typeof this[name] !== 'function') {
+        continue;
+      }
+      this[name] = this[name].bind(this);
+    }
+
+    // TODO @Shinigami92 2022-01-12: We should find a better strategy as assigning this property to a function
+    // @ts-expect-error
+    this.genre.schema = {
+      description: 'Generates a genre.',
+      sampleResults: ['Rock', 'Metal', 'Pop'],
+    };
+  }
+
+  /**
+   * genre
+   *
+   * @method faker.music.genre
+   */
+  genre(): string {
+    return this.faker.random.arrayElement(this.faker.definitions.music.genre);
+  }
+}