feat: support yaml config (#115)

Author: Tsuki

docs/.vuepress/config.yml

@@ -0,0 +1,34 @@
+---
+title: VuePress
+description: Vue-powered Static Site Generator
+dest: vuepress
+base: "/"
+head:
+- - link
+  - rel: icon
+    href: "/logo.png"
+serviceWorker: true
+themeConfig:
+  repo: vuejs/vuepress
+  editLinks: true
+  docsDir: docs
+  nav:
+  - text: Guide
+    link: "/guide/"
+  - text: Config Reference
+    link: "/config/"
+  - text: Default Theme Config
+    link: "/default-theme-config/"
+  sidebar:
+    "/guide/":
+    - title: Guide
+      collapsable: false
+      children:
+      - ''
+      - getting-started
+      - basic-config
+      - assets
+      - markdown
+      - using-vue
+      - custom-themes
+      - deploy

lib/prepare.js

@@ -2,6 +2,7 @@ const fs = require('fs-extra')
 const path = require('path')
 const globby = require('globby')
 const yaml = require('yaml-front-matter')
+const yamlParser = require('js-yaml')
 const tempPath = path.resolve(__dirname, 'app/.temp')
 const { inferTitle, extractHeaders } = require('./util')
 
@@ -66,9 +67,16 @@ if (!Object.assign) Object.assign = require('object-assign')`
 async function resolveOptions (sourceDir) {
   const vuepressDir = path.resolve(sourceDir, '.vuepress')
   const configPath = path.resolve(vuepressDir, 'config.js')
+  const configYmlPath = path.resolve(vuepressDir, 'config.yml')
 
   delete require.cache[configPath]
-  const siteConfig = fs.existsSync(configPath) ? require(configPath) : {}
+  let siteConfig = {}
+  if (fs.existsSync(configYmlPath)) {
+    const content = await fs.readFile(configYmlPath, 'utf-8')
+    siteConfig = yamlParser.safeLoad(content)
+  } else if (fs.existsSync(configPath)) {
+    siteConfig = require(configPath)
+  }
 
   // normalize description
   if (siteConfig.description) {

package.json

@@ -56,6 +56,7 @@
     "file-loader": "^1.1.11",
     "fs-extra": "^5.0.0",
     "globby": "^8.0.1",
+    "js-yaml": "^3.11.0",
     "koa-connect": "^2.0.1",
     "koa-mount": "^3.0.0",
     "koa-static": "^4.0.2",

yarn.lock

@@ -3274,7 +3274,7 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.10.0, js-yaml@^3.4.3, js-yaml@^3.9.0, js-yaml@^3.9.1:
+js-yaml@^3.10.0, js-yaml@^3.11.0, js-yaml@^3.4.3, js-yaml@^3.9.0, js-yaml@^3.9.1:
   version "3.11.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
   dependencies: