feat: rewrite datatype to ts

1 files changed, 24 insertions, 0 deletions

diff --git a/src/random.ts b/src/random.ts
new file mode 100644
index 00000000..8b4feb29
--- /dev/null
+++ b/src/random.ts
@@ -0,0 +1,24 @@
+import type { Faker } from '.';
+
+export class Random {
+  constructor(private readonly faker: Faker, seed?: any[] | any) {
+    // Use a user provided seed if it is an array or number
+    if (Array.isArray(seed) && seed.length) {
+      this.faker.mersenne.seed_array(seed);
+    } else if (!isNaN(seed)) {
+      this.faker.mersenne.seed(seed);
+    }
+  }
+
+  /**
+   * Takes an array and returns a random element of the array.
+   *
+   * @method faker.random.arrayElement
+   * @param  array
+   */
+  arrayElement(array) {
+    array = array || ['a', 'b', 'c'];
+    var r = this.faker.datatype.number({ max: array.length - 1 });
+    return array[r];
+  }
+}