docs: update README with async and custom tag (#22)

.travis.yml

@@ -1,8 +1,8 @@
 sudo: false
 language: node_js
 node_js:
-  - '6'
   - '8'
+  - '9'
 install:
   - npm i npminstall && npminstall
 script:

README.md

@@ -54,11 +54,14 @@ Render in controller
 
 ```js
 // {app_root}/app/controller/test.js
-exports.list = function* () {
-  // this.body = yield this.renderString('{{ name }}', { name: 'local' });
-  // not need to assign this.render to this.body
-  yield this.render('test.nj', { name: 'view test' });
-};
+class TestController extends Controller {
+  async list() {
+    const ctx = this.ctx;
+    // ctx.body = await ctx.renderString('{{ name }}', { name: 'local' });
+    // not need to assign `ctx.render` to `ctx.body`
+    await ctx.render('test.nj', { name: 'view test' });
+  }
+}
 ```
 
 ## Feature
@@ -72,9 +75,27 @@ exports.list = function* () {
 // {app_root}/app/extend/filter.js
 exports.hello = name => `hi, ${name}`;
 
+// so you could use it at template
 // {app_root}/app/controller/test.js
-exports.list = function* () {
-  this.body = yield this.renderString('{{ name | hello }}', { name: 'egg' });
+class TestController extends Controller {
+  async list() {
+    const ctx = this.ctx;
+    ctx.body = await ctx.renderString('{{ name | hello }}', { name: 'egg' });
+  };
+}
+```
+
+### Tag
+
+you can extend custom tag like this:
+
+```js
+// {app_root}/app.js
+const markdown = require('nunjucks-markdown');
+const marked = require('marked');
+
+module.exports = app => {
+  markdown.register(app.nunjucks, marked);
 };
 ```
 

appveyor.yml

@@ -1,7 +1,7 @@
 environment:
   matrix:
-    - nodejs_version: '6'
     - nodejs_version: '8'
+    - nodejs_version: '9'
 
 install:
   - ps: Install-Product node $env:nodejs_version

package.json

@@ -20,15 +20,15 @@
     "nunjucks": "^3.0.1"
   },
   "devDependencies": {
-    "autod": "^2.9.0",
+    "autod": "^3.0.1",
     "cheerio": "^1.0.0-rc.2",
     "common-tags": "^1.4.0",
-    "egg": "^1.8.0",
-    "egg-bin": "^4.3.2",
+    "egg": "^1.11.0",
+    "egg-bin": "^4.3.5",
     "egg-ci": "^1.8.0",
-    "egg-mock": "^3.12.1",
+    "egg-mock": "^3.13.1",
     "egg-view": "^1.0.0",
-    "eslint": "^4.7.1",
+    "eslint": "^4.11.0",
     "eslint-config-egg": "^5.1.1",
     "marked": "^0.3.6",
     "nunjucks-markdown": "^2.0.1"
@@ -38,20 +38,20 @@
   },
   "files": [
     "app",
-    "config",
     "lib",
+    "config",
     "app.js"
   ],
   "scripts": {
-    "test": "npm run lint -- --fix && npm run test-local",
+    "test": "npm run lint -- --fix && egg-bin pkgfiles && npm run test-local",
     "test-local": "egg-bin test",
     "cov": "egg-bin cov",
     "lint": "eslint .",
-    "ci": "npm run lint && npm run cov",
+    "ci": "npm run lint && egg-bin pkgfiles --check && npm run cov",
     "autod": "autod"
   },
   "ci": {
-    "version": "6, 8"
+    "version": "8, 9"
   },
   "repository": {
     "type": "git",
@@ -61,4 +61,4 @@
   "homepage": "https://github.com/eggjs/egg-view-nunjucks#readme",
   "author": "TZ <atian25@qq.com>",
   "license": "MIT"
-}
+}