Refactor code structure for improved readability and maintainability

tools/blogeditor/bump-version.js

@@ -0,0 +1,44 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const PACKAGE_JSON_PATH = path.join(__dirname, 'package.json');
+
+/**
+ * Parses a semantic version string and bumps the patch number.
+ * @param {string} version
+ * @returns {string}
+ */
+function bumpPatchVersion(version) {
+  const match = /^(\d+)\.(\d+)\.(\d+)$/.exec(version);
+  if (!match) {
+    throw new Error(`Invalid version format: "${version}". Expected x.y.z`);
+  }
+
+  const major = Number(match[1]);
+  const minor = Number(match[2]);
+  const patch = Number(match[3]) + 1;
+  return `${major}.${minor}.${patch}`;
+}
+
+/**
+ * Reads package.json, increments patch version, and writes the updated file.
+ */
+function main() {
+  const raw = fs.readFileSync(PACKAGE_JSON_PATH, 'utf8');
+  const pkg = JSON.parse(raw);
+
+  if (typeof pkg.version !== 'string') {
+    throw new Error('package.json is missing a valid string version field.');
+  }
+
+  const previous = pkg.version;
+  const next = bumpPatchVersion(previous);
+  pkg.version = next;
+
+  fs.writeFileSync(PACKAGE_JSON_PATH, `${JSON.stringify(pkg, null, 4)}\n`, 'utf8');
+  console.log(`[blog-editor] version bumped: ${previous} -> ${next}`);
+}
+
+main();