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

shared/utils/parseDocumentSlug.test.ts

@@ -0,0 +1,21 @@
+import parseDocumentSlug from "./parseDocumentSlug";
+
+describe("#parseDocumentSlug", () => {
+  it("should work with fully qualified url", () => {
+    expect(
+      parseDocumentSlug("http://example.com/doc/my-doc-y4j4tR4UuV")
+    ).toEqual("my-doc-y4j4tR4UuV");
+  });
+
+  it("should work with subdomain qualified url", () => {
+    expect(
+      parseDocumentSlug("http://mywiki.getoutline.com/doc/my-doc-y4j4tR4UuV")
+    ).toEqual("my-doc-y4j4tR4UuV");
+  });
+
+  it("should work with path", () => {
+    expect(parseDocumentSlug("/doc/my-doc-y4j4tR4UuV")).toEqual(
+      "my-doc-y4j4tR4UuV"
+    );
+  });
+});