feat(endpoint-micropub): add jam to post type discovery

packages/endpoint-micropub/lib/post-type-discovery.js

@@ -20,6 +20,7 @@ export const getPostType = (properties) => {
   basePostTypes.set("quotation-of", "quotation");
   basePostTypes.set("like-of", "like");
   basePostTypes.set("checkin", "checkin");
+  basePostTypes.set("jam-of", "jam");
   basePostTypes.set("listen-of", "listen");
   basePostTypes.set("read-of", "read");
   basePostTypes.set("watch-of", "watch");
@@ -51,6 +52,11 @@ export const getPostType = (properties) => {
     content = properties.summary;
   }
 
+  // Check of post could be a jam
+  if (content.includes("http", 2) && content.startsWith("🎵 ")) {
+    return "jam";
+  }
+
   // Check if post could be an article
   if (propertiesMap.has("name") && propertiesMap.has("content")) {
     const name = properties.name.trim();

packages/endpoint-micropub/test/unit/post-type-discovery.js

@@ -32,6 +32,27 @@ describe("endpoint-media/lib/post-type-discovery", () => {
     assert.equal(result, "note");
   });
 
+  it("Discovers jam post type (from content)", () => {
+    const result = getPostType({
+      type: "entry",
+      content:
+        "🎵 https://music.apple.com/gb/album/love-story-taylors-version/1552791073?i=1552791427",
+    });
+
+    assert.equal(result, "jam");
+  });
+
+  it("Discovers jam post type (from property)", () => {
+    const result = getPostType({
+      type: "entry",
+      name: "Jam title",
+      "jam-of":
+        "https://music.apple.com/gb/album/love-story-taylors-version/1552791073?i=1552791427",
+    });
+
+    assert.equal(result, "jam");
+  });
+
   it("Discovers article post type", () => {
     const result = getPostType({
       type: "entry",