Generate blog posts from project CHANGELOG file

Author: jugglinmike

package.json

@@ -17,6 +17,7 @@
     "uglify-js": "2.4.x"
   },
   "oddwebPlugins": [
+    "plugins/changelog.js",
     "core/blog",
     "plugins/minify.js",
     "plugins/variables.js"

plugins/changelog.js

@@ -0,0 +1,80 @@
+/**
+ * @file - Generate a blog posts for each non-empty entry in the JSHint
+ * project's `CHANGELOG.md` file.
+ */
+"use strict";
+var fs = require("fs");
+
+var antonDepartureDate = new Date(2014, 6, 22);
+var headerPattern = new RegExp([
+  '^#+',
+  // Version:
+  '\\[([^\\]]+)\\]',
+  // URL:
+  '\\(([^\\)]+)\\)',
+  // Date:
+  '\\(([^\\)]+)\\)'
+].join('\\s*'), 'gm');
+var anchorPattern = /^<a\s+name\b[^>]*><\/a>$/gim;
+
+module.exports = function (site, handlebars) {
+  var changelog = fs.readFileSync(
+    "res/jshint/CHANGELOG.md", { encoding: "utf-8" }
+  );
+
+  var match;
+  var releases = [];
+
+  // Remove anchors
+  changelog = changelog.replace(anchorPattern, "");
+
+  while (match = headerPattern.exec(changelog)) {
+    releases.push({
+      version: match[1],
+      url: match[2],
+      date: match[3],
+      headingStart: match.index,
+      headingEnd: match.index + match[0].length
+    });
+  }
+
+  releases.forEach(function(release, idx) {
+    var until;
+
+    if (idx < releases.length - 1) {
+      until = releases[idx + 1].headingStart;
+    } else {
+      until = changelog.length;
+    }
+
+    release.content = changelog.slice(release.headingEnd, until).trim();
+  });
+
+  releases.forEach(function(release) {
+    var slug;
+
+    // Do not generate posts for releases with no associated release notes
+    if (!release.content) {
+      return;
+    }
+
+    slug = "release-" + release.version.replace(/[^a-z0-9_-]+/gi, "-");
+
+    site.pages.push({
+      meta: {
+        template: "blog.html",
+        blog: true,
+        title: "New Release: " + release.version,
+        date: release.date,
+        url: "/blog/" + release.date + "/" + slug,
+        path: "blog/" + release.date + "/" + slug + "/index.html",
+        author: new Date(release.date) < antonDepartureDate ?
+          "Anton Kovalyov" : "The JSHint team",
+        type: "md"
+      },
+      data: release.content
+    });
+  });
+
+  return site;
+};