docsifyjs
diff --git a/Diff for: ‎package-lock.json
+148 b/Diff for: ‎package-lock.json
+148
diff --git a/Diff for: ‎package.json
+5-2 b/Diff for: ‎package.json
+5-2
diff --git a/Diff for: ‎test/_loader.js
+47-2 b/Diff for: ‎test/_loader.js
+47-2
@@ -27,7 +27,7 @@
     "dev": "run-p serve watch:*",
     "dev:ssr": "run-p serve:ssr watch:*",
     "lint": "eslint {src,packages} --fix",
-    "test": "run-p lint",
+    "test": "mocha",
     "css": "stylus src/themes/*.styl -u autoprefixer-stylus",
     "watch:css": "run-p 'css -- -o themes -w'",
     "watch:js": "node build/build.js",
@@ -51,6 +51,7 @@
   },
   "devDependencies": {
     "autoprefixer-stylus": "^0.14.0",
+    "chai": "^4.2.0",
     "chokidar": "^2.0.2",
     "conventional-changelog-cli": "^1.3.5",
     "cross-env": "^5.1.3",
@@ -61,6 +62,7 @@
     "jsdom": "^13.2.0",
     "lerna": "^2.5.1",
     "live-server": "^1.2.1",
+    "mocha": "^5.2.0",
     "npm-run-all": "^4.1.5",
     "rimraf": "^2.6.2",
     "rollup": "^0.53.3",
@@ -70,7 +72,8 @@
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-uglify": "^2.0.1",
-    "stylus": "^0.54.5"
+    "stylus": "^0.54.5",
+    "xhr2": "^0.1.4"
   },
   "keywords": [
     "doc",
 
@@ -1,10 +1,55 @@
 require = require('esm')(module/*, options*/)
 const {JSDOM} = require('jsdom')
-const dom = new JSDOM('<!DOCTYPE html><body></body>')
+const XMLHttpRequest = require('xhr2')
+// TODO: try to fix tests when using `<div id="app"></div>` in body
+const dom = new JSDOM('<!DOCTYPE html><html><head></head><body></body></html>') 
 
 global.window = dom.window
 global.document = dom.window.document
 global.navigator = dom.window.navigator
 global.location = dom.window.location
+global.XMLHttpRequest = XMLHttpRequest
 
-require('../src/core')
+const {initMixin} = require('../src/core/init')
+const {routerMixin} = require('../src/core//router')
+const {renderMixin} = require('../src/core//render')
+const {fetchMixin} = require('../src/core/fetch')
+const {eventMixin} = require('../src/core//event')
+
+// mimic src/core/index.js but for Node.js
+
+function Docsify() {
+  this._init()
+}
+
+const proto = Docsify.prototype
+
+initMixin(proto)
+routerMixin(proto)
+renderMixin(proto)
+fetchMixin(proto)
+eventMixin(proto)
+
+function ready(callback) {
+  const state = document.readyState
+
+  if (state === 'complete' || state === 'interactive') {
+    return setTimeout(callback, 0)
+  }
+
+  document.addEventListener('DOMContentLoaded', callback)
+}
+let docsify = null
+module.exports = function(callback) {
+	return new Promise((resolve, reject) => {
+		// return cached version
+		if (docsify != null) {
+			return resolve(docsify)
+		}
+		ready(_ => {
+			docsify = new Docsify()
+			return resolve(docsify)
+		})
+		
+	})
+}