refactor: replace website with a redirect to docs.deno.com (#1380)

Part of migration to use https://docs.deno.com/lint/ instead of
bespoken https://lint.deno.land website.

.github/workflows/ci.yml

@@ -69,10 +69,6 @@ jobs:
         if: contains(matrix.os, 'ubuntu')
         run: deno run --allow-run --allow-env ./tools/lint.ts --release
 
-      - name: Check if www/static/docs.json is up-to-date
-        if: contains(matrix.os, 'ubuntu')
-        run: diff <(./target/release/examples/dlint rules --json) www/static/docs.json
-
       - name: Benchmarks
         if: contains(matrix.os, 'ubuntu')
         run: deno run -A --quiet benchmarks/benchmarks.ts

README.md

@@ -197,7 +197,5 @@ Before submitting, please make sure the following is done:
 3. Ensure `cargo test` passes.
 4. Format your code with `deno run --allow-run tools/format.ts`
 5. Make sure `deno run --allow-run --allow-env tools/lint.ts` passes.
-6. If you've added a new rule:
-   1. Run `cargo build --example dlint --all-features`
-   2. Update docs by running the generated binary with these arguments
-      `./target/debug/examples/dlint rules --json > www/static/docs.json`
+6. If you've added a new rule, open a PR to
+   https://github.com/denoland/deno-docs with a documentation for a rule.

deno.json

@@ -1,8 +1,5 @@
 {
   "lock": false,
-  "tasks": {
-    "update-docs": "cargo run --features=docs --example dlint rules --json > www/static/docs.json"
-  },
   "exclude": [
     "target",
     "examples",

www/main.ts

@@ -1,13 +1,33 @@
-/// <reference no-default-lib="true" />
-/// <reference lib="dom" />
-/// <reference lib="dom.iterable" />
-/// <reference lib="dom.asynciterable" />
-/// <reference lib="deno.ns" />
+const rulePat = new URLPattern({
+  pathname: "/rules/:rule",
+}, {
+  ignoreCase: true,
+});
 
-import { start } from "$fresh/server.ts";
-import manifest from "./fresh.gen.ts";
+Deno.serve((req) => {
+  const url = new URL(req.url);
 
-import twindPlugin from "$fresh/plugins/twind.ts";
-import twindConfig from "./twind.config.ts";
+  const ruleMatch = rulePat.exec(req.url);
+  const maybeRule = ruleMatch?.pathname.groups.rule;
 
-await start(manifest, { plugins: [twindPlugin(twindConfig)] });
+  if (maybeRule) {
+    return Response.redirect(
+      `https://docs.deno.com/lint/rules/${maybeRule}`,
+      301,
+    );
+  }
+
+  if (url.pathname.startsWith("/ignoring-rules")) {
+    // TODO(bartlomieju): verify the anchor is not changed or use
+    // "go" url
+    return Response.redirect(
+      `https://docs.deno.com/go/lint-ignore`,
+      301,
+    );
+  }
+
+  return Response.redirect(
+    "https://docs.deno.com/runtime/reference/cli/lint/",
+    301,
+  );
+});