feat: virtual database entries for npm and github (#659)

database.json

@@ -836,13 +836,13 @@
     "type": "github",
     "owner": "viandwi24",
     "repo": "denova",
-    "desc": "A Typescript Framework For Deno - Framework Looks Like Laravel."      
+    "desc": "A Typescript Framework For Deno - Framework Looks Like Laravel."
   },
   "denovel": {
     "type": "github",
     "owner": "fauzan121002",
     "repo": "denovel",
-    "desc": "A Deno Framework for Web Artisan - Inspired by Laravel."      
+    "desc": "A Deno Framework for Web Artisan - Inspired by Laravel."
   },
   "denoversion": {
     "type": "github",
@@ -2232,7 +2232,7 @@
     "repo": "router",
     "desc": "A high-performance basic router works everywhere."
   },
- "rsocket": {
+  "rsocket": {
     "type": "github",
     "owner": "linux-china",
     "repo": "rsocket-deno",

pages/x/index.tsx

@@ -44,7 +44,7 @@ const ThirdPartyRegistryList = () => {
         <div className="">
           <div className="max-w-screen-lg mx-auto px-4 sm:px-6 md:px-8 pt-4">
             <div className="text-gray-900 mt-4 sm:mt-8 break-words">
-              <p>
+              <p className="text-gray-900 mt-4">
                 <span className="font-semibold">deno.land/x</span> is a URL
                 rewriting service for Deno scripts. The basic format of code
                 URLs is{" "}
@@ -54,6 +54,13 @@ const ThirdPartyRegistryList = () => {
                 . If you leave out the branch, it will default to the module’s
                 default branch, usually <InlineCode>master</InlineCode>.
               </p>
+
+              <p className="text-gray-900 mt-4">
+                Experimental: Use <InlineCode>npm:[package]</InlineCode> or
+                <InlineCode>gh:[owner]:[repo]</InlineCode> as module name to
+                resolve any artibrary repository or npm package.
+              </p>
+
               <p className="text-gray-900 mt-4">
                 Functionality built-in to Deno is not listed here. The built-in
                 runtime is documented on{" "}
@@ -78,7 +85,9 @@ const ThirdPartyRegistryList = () => {
                 >
                   database.json
                 </a>
-                .
+                {". "}
+                Run the tests and formatting before submitting a patch - the PR
+                must be green to be considered.
               </p>
             </div>
             <div className="mt-12">

util/registry_utils.test.ts

@@ -1,5 +1,7 @@
 import { findEntry } from "./registry_utils";
 import { DenoStdEntry } from "./registries/deno_std";
+import { NPMEntry } from "./registries/npm";
+import { GithubEntry } from "./registries/github";
 
 /* eslint-env jest */
 
@@ -11,3 +13,24 @@ test("find 'std' in database", () => {
     })
   );
 });
+
+test("Resolve virtual 'gh:owner:repo'", () => {
+  expect(findEntry("gh:owner:repo")).toEqual(
+    new GithubEntry({
+      type: "github",
+      desc: "owner/repo",
+      owner: "owner",
+      repo: "repo",
+    })
+  );
+});
+
+test("Resolve virtual 'npm:package'", () => {
+  expect(findEntry("npm:package")).toEqual(
+    new NPMEntry({
+      type: "npm",
+      desc: "package",
+      package: "package",
+    })
+  );
+});

util/registry_utils.ts

@@ -15,6 +15,27 @@ function findDatabaseEntry(
   | URLDatabaseEntry
   | NPMDatabaseEntry
   | undefined {
+  if (name.startsWith("npm:")) {
+    const [_, packageName] = name.split(":");
+    const entry: NPMDatabaseEntry = {
+      desc: packageName,
+      package: packageName,
+      type: "npm",
+    };
+    return entry;
+  }
+
+  if (name.startsWith("gh:")) {
+    const [_, owner, repo] = name.split(":");
+    const entry: GithubDatabaseEntry = {
+      desc: `${owner}/${repo}`,
+      owner,
+      repo,
+      type: "github",
+    };
+    return entry;
+  }
+
   // @ts-ignore
   return DATABASE[name];
 }