[IndieKit] Add peopletag parsing

Allows me to reference @People in Indiekit-powered posts, so I don't need to write {{< friend "people" >}} in longhand.

indiekit/packages/indiekit-preset-byjp/lib/post-template.js

@@ -103,7 +103,8 @@ export const getPostTemplate = (properties, frontMatterFormat = "yaml") => {
   return frontMatter + content;
 };
 
-const tagFinder = /(?<=\s|^)#[a-z0-9]+\b/ig;
+const hashtagFinder = /(?<=\s|^)#[a-z0-9]+\b/ig;
+const peopletagFinder = /(?<=\s|^)@[a-z]+\b/ig;
 
 /**
  * Replaces all #HashTags with [HashTags](/tags/hashtags) and returns a compact array of the tags used
@@ -112,10 +113,12 @@ const tagFinder = /(?<=\s|^)#[a-z0-9]+\b/ig;
  */
 const replaceTags = (content) => {
   let tags = [];
-  content = content.replace(tagFinder, (tag) => {
+  content = content.replace(hashtagFinder, (tag) => {
     tag = tag.substring(1);
     tags.push(tag);
     return `[${tag}](/tags/${tag.toLowerCase()})`;
+  }).replace(peopletagFinder, (tag) => {
+    return `{{< friend "${tag.substring(1).toLowerCase()}" >}}`;
   });
 
   return { content, tags }

indiekit/packages/indiekit-preset-byjp/test/unit/post-template.js

@@ -232,6 +232,24 @@ tags:
 ---
 
 [some](/tags/some) posts might have [hashtags](/tags/hashtags), even [MultiCasedOnes](/tags/multicasedones) but [fragment URLs](#heading) must be left alone.
+`,
+    );
+  });
+
+  it("Renders posts with people tags correctly", () => {
+    const result = getPostTemplate({
+      published: "2024-10-02",
+      content: "Sometimes I reference @People, but [@fedi@example.com](https://example.com/@fedi) links and email@example.com shouldn't be changed.",
+    });
+
+    assert.equal(
+      result,
+      `---
+date: 2024-10-02
+publishDate: 2024-10-02
+---
+
+Sometimes I reference {{< friend "people" >}}, but [@fedi@example.com](https://example.com/@fedi) links and email@example.com shouldn't be changed.
 `,
     );
   });