From 71ab64343f32f2b1d0d04df9fd8a6966c922a193 Mon Sep 17 00:00:00 2001
From: Vyacheslav Matyukhin <me@berekuk.ru>
Date: Thu, 14 Apr 2022 23:30:49 +0300
Subject: [PATCH] refactor: extract shuffleArray to src/utils

---
 .../pullMetaculusForecastsToCSVForRating.ts            | 10 +---------
 src/utils.ts                                           |  8 ++++++++
 2 files changed, 9 insertions(+), 9 deletions(-)
 create mode 100644 src/utils.ts

diff --git a/src/backend/utils/evaluations/pullMetaculusForecastsToCSVForRating.ts b/src/backend/utils/evaluations/pullMetaculusForecastsToCSVForRating.ts
index 0076f67..6cc2231 100644
--- a/src/backend/utils/evaluations/pullMetaculusForecastsToCSVForRating.ts
+++ b/src/backend/utils/evaluations/pullMetaculusForecastsToCSVForRating.ts
@@ -1,6 +1,7 @@
 /* Imports */
 import fs from "fs";
 
+import { shuffleArray } from "../../../utils";
 import { pgRead } from "../../database/pg-wrapper";
 
 /* Definitions */
@@ -13,15 +14,6 @@ let getQualityIndicators = (question) =>
     .map((entry) => `${entry[0]}: ${entry[1]}`)
     .join("; ");
 
-let shuffleArray = (array) => {
-  // See: https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
-  for (let i = array.length - 1; i > 0; i--) {
-    const j = Math.floor(Math.random() * (i + 1));
-    [array[i], array[j]] = [array[j], array[i]];
-  }
-  return array;
-};
-
 /* Body */
 
 let main = async () => {
diff --git a/src/utils.ts b/src/utils.ts
new file mode 100644
index 0000000..649b2a7
--- /dev/null
+++ b/src/utils.ts
@@ -0,0 +1,8 @@
+export const shuffleArray = <T>(array: T[]): T[] => {
+  // See: https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
+  for (let i = array.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [array[i], array[j]] = [array[j], array[i]];
+  }
+  return array;
+};