feat: add config loader

package.json

@@ -10,7 +10,8 @@
     "@11ty/eleventy": "^2.0.1",
     "gray-matter": "^4.0.3",
     "marked": "^11.1.1",
-    "lunr": "^2.3.9"
+    "lunr": "^2.3.9",
+    "js-yaml": "^4.1.0"
   },
   "license": "MIT"
 }

src/config/loadConfig.js

@@ -0,0 +1,69 @@
+const fs = require('fs');
+const path = require('path');
+const yaml = require('js-yaml');
+
+function deepMerge(target, source) {
+  for (const key of Object.keys(source)) {
+    if (
+      source[key] &&
+      typeof source[key] === 'object' &&
+      !Array.isArray(source[key])
+    ) {
+      target[key] = deepMerge(target[key] || {}, source[key]);
+    } else if (source[key] !== undefined) {
+      target[key] = source[key];
+    }
+  }
+  return target;
+}
+
+function loadConfig(configPath = path.join(process.cwd(), 'config.yaml')) {
+  let raw = {};
+  if (fs.existsSync(configPath)) {
+    try {
+      raw = yaml.load(fs.readFileSync(configPath, 'utf8')) || {};
+    } catch (e) {
+      console.error(`Failed to parse ${configPath}: ${e.message}`);
+      process.exit(1);
+    }
+  }
+
+  const defaults = {
+    site: {
+      title: 'DocForge',
+      description: '',
+      logo: '',
+      favicon: ''
+    },
+    navigation: {
+      search: true
+    },
+    footer: {},
+    theme: {
+      name: 'minimal',
+      darkMode: false
+    },
+    features: {},
+    plugins: []
+  };
+
+  const config = deepMerge(defaults, raw);
+
+  const errors = [];
+  if (
+    !config.site ||
+    typeof config.site.title !== 'string' ||
+    !config.site.title.trim()
+  ) {
+    errors.push('site.title is required in config.yaml');
+  }
+
+  if (errors.length) {
+    errors.forEach(err => console.error(`Config error: ${err}`));
+    process.exit(1);
+  }
+
+  return config;
+}
+
+module.exports = loadConfig;

src/generator/index.js

@@ -3,6 +3,7 @@ const fs = require('fs');
 const path = require('path');
 const matter = require('gray-matter');
 const Eleventy = require('@11ty/eleventy');
+const loadConfig = require('../config/loadConfig');
 
 async function readDirRecursive(dir) {
   const entries = await fs.promises.readdir(dir, { withFileTypes: true });
@@ -50,7 +51,8 @@ function buildNav(pages) {
   return tree.children || [];
 }
 
-async function generate({ contentDir = 'content', outputDir = '_site' } = {}) {
+async function generate({ contentDir = 'content', outputDir = '_site', configPath } = {}) {
+  const config = loadConfig(configPath);
   if (!fs.existsSync(contentDir)) {
     console.error(`Content directory not found: ${contentDir}`);
     return;
@@ -82,6 +84,7 @@ async function generate({ contentDir = 'content', outputDir = '_site' } = {}) {
   const nav = buildNav(pages);
   await fs.promises.mkdir(outputDir, { recursive: true });
   await fs.promises.writeFile(path.join(outputDir, 'navigation.json'), JSON.stringify(nav, null, 2));
+  await fs.promises.writeFile(path.join(outputDir, 'config.json'), JSON.stringify(config, null, 2));
 
   const elev = new Eleventy(contentDir, outputDir);
   elev.setConfig({
@@ -93,6 +96,7 @@ async function generate({ contentDir = 'content', outputDir = '_site' } = {}) {
   });
   elev.configFunction = function(eleventyConfig) {
     eleventyConfig.addGlobalData('navigation', nav);
+    eleventyConfig.addGlobalData('config', config);
   };
   await elev.write();