chore: Move to Typescript (#2783)

This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.

closes #1282

server/utils/removeIndexCollision.ts

@@ -0,0 +1,46 @@
+import fractionalIndex from "fractional-index";
+import { Collection } from "@server/models";
+import { sequelize, Op } from "../sequelize";
+/**
+ *
+ * @param teamId The team id whose collections has to be fetched
+ * @param index the index for which collision has to be checked
+ * @returns An index, if there is collision returns a new index otherwise the same index
+ */
+
+export default async function removeIndexCollision(
+  teamId: string,
+  index: string
+) {
+  const collection = await Collection.findOne({
+    where: {
+      teamId,
+      deletedAt: null,
+      index,
+    },
+  });
+
+  if (!collection) {
+    return index;
+  }
+
+  const nextCollection = await Collection.findAll({
+    where: {
+      teamId,
+      deletedAt: null,
+      index: {
+        [Op.gt]: index,
+      },
+    },
+    attributes: ["id", "index"],
+    limit: 1,
+    order: [
+      sequelize.literal('"collection"."index" collate "C"'),
+      ["updatedAt", "DESC"],
+    ],
+  });
+  const nextCollectionIndex = nextCollection.length
+    ? nextCollection[0].index
+    : null;
+  return fractionalIndex(index, nextCollectionIndex);
+}