feat: migrate from github

src/modules/commands/profileValidation.ts

@@ -0,0 +1,32 @@
+/**
+ * Checks if a string matches a 6 character hex code.
+ *
+ * @param {string} colour The colour code to validate.
+ * @returns {boolean} If the string is in the correct format.
+ */
+export const validateColour = (colour: string): boolean => {
+  return /[\da-f]{6}/gi.test(colour);
+};
+
+/**
+ * Checks if a url points to a valid image.
+ *
+ * @param {string} url The URL to validate.
+ * @returns {boolean} If the URL provides a 2XX response, and if the response content type
+ * is an image.
+ */
+export const validateImage = async (url: string): Promise<boolean> => {
+  const validImage = await fetch(url, {
+    method: "HEAD"
+  }).catch(() => null);
+
+  if (!validImage) {
+    return false;
+  }
+
+  if (!validImage.headers.get("content-type")?.startsWith("image/")) {
+    return false;
+  }
+
+  return true;
+};