1 files changed, 27 insertions, 0 deletions
diff --git a/FrontEnd/src/utilities/index.ts b/FrontEnd/src/utilities/index.ts
new file mode 100644
index 00000000..7659a8aa
--- /dev/null
+++ b/FrontEnd/src/utilities/index.ts
@@ -0,0 +1,27 @@
+export { default as base64 } from "./base64";
+export { withQuery } from "./url";
+
+export function delay(milliseconds: number): Promise<void> {
+  return new Promise<void>((resolve) => {
+    setTimeout(() => {
+      resolve();
+    }, milliseconds);
+  });
+}
+
+export function range(stop: number): number[];
+export function range(start: number, stop: number, step?: number): number[];
+export function range(start: number, stop?: number, step?: number): number[] {
+  if (stop == undefined) {
+    stop = start;
+    start = 0;
+  }
+  if (step == undefined) {
+    step = 1;
+  }
+  const result: number[] = [];
+  for (let i = start; i < stop; i += step) {
+    result.push(i);
+  }
+  return result;
+}