feat: migrate database (#89)

Author: Shinigami92

src/database.ts

@@ -0,0 +1,77 @@
+import type { Faker } from '.';
+
+export class Database {
+  constructor(private readonly faker: Faker) {
+    // Bind `this` so namespaced is working correctly
+    for (const name of Object.getOwnPropertyNames(Database.prototype)) {
+      if (name === 'constructor' || typeof this[name] !== 'function') {
+        continue;
+      }
+      this[name] = this[name].bind(this);
+    }
+
+    // TODO @Shinigami92 2022-01-11: We should find a better strategy as assigning this property to a function
+    // @ts-expect-error
+    this.column.schema = {
+      description: 'Generates a column name.',
+      sampleResults: ['id', 'title', 'createdAt'],
+    };
+    // @ts-expect-error
+    this.type.schema = {
+      description: 'Generates a column type.',
+      sampleResults: ['byte', 'int', 'varchar', 'timestamp'],
+    };
+    // @ts-expect-error
+    this.collation.schema = {
+      description: 'Generates a collation.',
+      sampleResults: ['utf8_unicode_ci', 'utf8_bin'],
+    };
+    // @ts-expect-error
+    this.engine.schema = {
+      description: 'Generates a storage engine.',
+      sampleResults: ['MyISAM', 'InnoDB'],
+    };
+  }
+
+  /**
+   * column
+   *
+   * @method faker.database.column
+   */
+  column() {
+    return this.faker.random.arrayElement(
+      this.faker.definitions.database.column
+    );
+  }
+
+  /**
+   * type
+   *
+   * @method faker.database.type
+   */
+  type() {
+    return this.faker.random.arrayElement(this.faker.definitions.database.type);
+  }
+
+  /**
+   * collation
+   *
+   * @method faker.database.collation
+   */
+  collation() {
+    return this.faker.random.arrayElement(
+      this.faker.definitions.database.collation
+    );
+  }
+
+  /**
+   * engine
+   *
+   * @method faker.database.engine
+   */
+  engine() {
+    return this.faker.random.arrayElement(
+      this.faker.definitions.database.engine
+    );
+  }
+}

src/index.ts

@@ -1,3 +1,4 @@
+import { Database } from './database';
 import { Datatype } from './datatype';
 import { _Date } from './date';
 import { Fake } from './fake';
@@ -174,7 +175,7 @@ export class Faker {
   readonly animal = new (require('./animal'))(this);
   readonly commerce = new (require('./commerce'))(this);
   readonly company = new (require('./company'))(this);
-  readonly database = new (require('./database'))(this);
+  readonly database: Database = new Database(this);
   readonly date: _Date = new _Date(this);
   readonly finance = new (require('./finance'))(this);
   readonly git: Git = new Git(this);