refactor: es6-fy (#34)

index.js

@@ -1,7 +1,7 @@
 /* global hexo */
 'use strict';
 
-var renderer = require('./lib/renderer');
+const renderer = require('./lib/renderer');
 
 hexo.extend.renderer.register('styl', 'css', renderer);
 hexo.extend.renderer.register('stylus', 'css', renderer);

lib/renderer.js

@@ -1,22 +1,23 @@
 'use strict';
 
-var stylus, nib;
+const stylus = require('stylus');
+const nib = require('nib');
 
 function getProperty(obj, name) {
  name = name.replace(/\[(\w+)\]/g, '.$1').replace(/^\./, '');
 
- var split = name.split('.');
- var key = split.shift();
+ const split = name.split('.');
+ let key = split.shift();
 
  if (!obj.hasOwnProperty(key)) return '';
 
- var result = obj[key];
- var len = split.length;
+ let result = obj[key];
+ const len = split.length;
 
  if (!len) return result || '';
  if (typeof result !== 'object') return '';
 
- for (var i = 0; i < len; i++) {
+ for (let i = 0; i < len; i++) {
  key = split[i];
  if (!result.hasOwnProperty(key)) return '';
 
@@ -28,14 +29,8 @@ function getProperty(obj, name) {
 }
 
 module.exports = function(data, options, callback) {
- // Lazy require
- if (!stylus) {
- stylus = require('stylus');
- nib = require('nib');
- }
-
- var config = this.config.stylus || {};
- var self = this;
+ const config = this.config.stylus || {};
+ const self = this;
 
  function defineConfig(style) {
  style.define('hexo-config', function(data) {

test/index.js

@@ -1,9 +1,9 @@
 'use strict';
 
-var should = require('chai').should(); // eslint-disable-line
+const should = require('chai').should(); // eslint-disable-line
 
-describe('Stylus renderer', function() {
- var ctx = {
+describe('Stylus renderer', () => {
+ const ctx = {
  config: {
  stylus: {
  compress: false
@@ -23,17 +23,17 @@ describe('Stylus renderer', function() {
  }
  };
 
- var r = require('../lib/renderer').bind(ctx);
+ const r = require('../lib/renderer').bind(ctx);
 
- it('no config', function() {
- var body = [
+ it('no config', () => {
+ const body = [
  '.foo',
  ' color: red'
  ].join('\n');
- var config = ctx.config.stylus;
+ const config = ctx.config.stylus;
 
  ctx.config.stylus = null;
- r({text: body}, {}, function(err, result) {
+ r({text: body}, {}, (err, result) => {
  if (err) throw err;
 
  ctx.config.stylus = config;
@@ -45,13 +45,13 @@ describe('Stylus renderer', function() {
  });
  });
 
- it('default', function() {
- var body = [
+ it('default', () => {
+ const body = [
  '.foo',
  ' color: red'
  ].join('\n');
 
- r({text: body}, {}, function(err, result) {
+ r({text: body}, {}, (err, result) => {
  if (err) throw err;
 
  result.should.eql([
@@ -62,24 +62,24 @@ describe('Stylus renderer', function() {
  });
  });
 
- it('compress', function() {
+ it('compress', () => {
  ctx.config.stylus.compress = true;
 
- var body = [
+ const body = [
  '.foo',
  ' color: red'
  ].join('\n');
 
- r({text: body}, {}, function(err, result) {
+ r({text: body}, {}, (err, result) => {
  if (err) throw err;
 
  ctx.config.stylus.compress = false;
  result.should.eql('.foo{color:#f00}');
  });
  });
 
- it('hexo-config', function() {
- var body = [
+ it('hexo-config', () => {
+ const body = [
  // first depth and exist
  '.foo',
  ' content: hexo-config("foo")',
@@ -114,7 +114,7 @@ describe('Stylus renderer', function() {
  ' content: i'
  ].join('\n');
 
- r({text: body}, {}, function(err, result) {
+ r({text: body}, {}, (err, result) => {
  if (err) throw err;
 
  result.should.eql([