Merge pull request #52 from takker99/master

Support esm.sh

README.md

@@ -108,6 +108,7 @@ udd supports the following registry domains:
 - https://dev.jspm.io
 - https://cdn.pika.dev
 - https://cdn.skypack.dev
+- https://esm.sh
 - https://unpkg.com
 - https://raw.githubusercontent.com
 - https://gitlab.com/:user/:repo/-/raw

registry.ts

@@ -293,6 +293,33 @@ export class Skypack implements RegistryUrl {
   regexp = /https?:\/\/cdn.skypack.dev(\/\_)?\/[^\/\"\']*?\@[^\'\"]*/;
 }
 
+export class EsmSh implements RegistryUrl {
+  url: string;
+
+  name(): string {
+    return defaultName(this);
+  }
+
+  constructor(url: string) {
+    this.url = url;
+  }
+
+  async all(): Promise<string[]> {
+    return await unpkgVersions(this.name());
+  }
+
+  at(version: string): RegistryUrl {
+    const url = defaultAt(this, version);
+    return new EsmSh(url);
+  }
+
+  version(): string {
+    return defaultVersion(this);
+  }
+
+  regexp = /https?:\/\/esm.sh\/[^\/\"\']*?\@[^\'\"]*/;
+}
+
 export class GithubRaw implements RegistryUrl {
   url: string;
 
@@ -496,6 +523,7 @@ export const REGISTRIES = [
   Jspm,
   Pika,
   Skypack,
+  EsmSh,
   GithubRaw,
   GitlabRaw,
   JsDelivr,

registry_test.ts

@@ -78,6 +78,15 @@ Deno.test("registrySkypack", () => {
   assertEquals(vAt.url, "https://cdn.skypack.dev/foo@0.2.0/");
 });
 
+Deno.test("registryEsmSh", () => {
+  const url = "https://esm.sh/foo@0.1.0/";
+  const v = lookup(url, REGISTRIES);
+  assert(v !== undefined);
+
+  const vAt = v.at("0.2.0");
+  assertEquals(vAt.url, "https://esm.sh/foo@0.2.0/");
+});
+
 Deno.test("registryGithubRaw", () => {
   const url = "https://raw.githubusercontent.com/bar/foo/0.1.0/foo.ts";
   const v = lookup(url, REGISTRIES);