Update v7.0

.eslintrc.json

@@ -0,0 +1,26 @@
+{
+  "extends": "eslint:recommended",
+  "env": {
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "arrow-parens": "error",
+    "arrow-spacing": "error",
+    "generator-star-spacing": "error",
+    "no-duplicate-imports": "error",
+    "no-useless-computed-key": "error",
+    "no-useless-constructor": "error",
+    "no-useless-rename": "error",
+    "no-var": "error",
+    "object-shorthand": "error",
+    "prefer-arrow-callback": "error",
+    "prefer-const": "error",
+    "prefer-rest-params": "error",
+    "prefer-spread": "error",
+    "prefer-template": "error",
+    "rest-spread-spacing": "error",
+    "template-curly-spacing": "error",
+    "yield-star-spacing": "error"
+  }
+}

.travis.yml

@@ -1,11 +1,11 @@
 sudo: false
 language: node_js
 node_js:
-  - '5'
-  - '4'
-notifications:
-  slack:
-    secure: qW1mL7rMeWxkZq1lriz5KhVxz+/R2HGg69dpcHp3RpxOW1CpJ6qry4m+Zk5GidkJWNi0kxGBKYsCClE7Gmi4R9RgW4wXrP+RjfO1Zea/oqvlN7GHel5zXq+yhEMEdD3oXsygPa+dZ/letM3oOiZCi4VBoE7MUt3T1jlsF9h/+nc=
+  - '7'
+  - '6'
+cache:
+  directories:
+    - node_modules
 env:
   global:
     - NPM_CONFIG_PROGRESS=false

README.md

@@ -2,7 +2,7 @@
 
 ## Installation
 
-StyleStats works on Node.js `>=4.x`.
+StyleStats works on Node.js `>=6.x`.
 
 ```
 $ npm install -g stylestats
@@ -22,13 +22,13 @@ StyleStats!
 ├─────────────────────────────────┼──────────────────────────┤
 │ Style Elements                  │ 0                        │
 ├─────────────────────────────────┼──────────────────────────┤
-│ Size                            │ 240B                     │
+│ Size                            │ 240.0B                   │
 ├─────────────────────────────────┼──────────────────────────┤
 │ Data URI Size                   │ 0                        │
 ├─────────────────────────────────┼──────────────────────────┤
-│ Ratio of Data URI Size          │ 0.0%                     │
+│ Ratio of Data URI Size          │ 0                        │
 ├─────────────────────────────────┼──────────────────────────┤
-│ Gzipped Size                    │ 158B                     │
+│ Gzipped Size                    │ 158.0B                   │
 ├─────────────────────────────────┼──────────────────────────┤
 │ Rules                           │ 7                        │
 ├─────────────────────────────────┼──────────────────────────┤
@@ -110,13 +110,13 @@ $ stylestats 'path/**/*.css'
 You can specify a remote CSS file.
 
 ```sh
-$ stylestats http://t32k.me/wisteria/css/wisteria.css
+$ stylestats https://t32k.me/wisteria/css/wisteria.css
 ```
 
 If you specify an HTML page, StyleStats will analyze stylesheets and `style` elements.
 
 ```sh
-$ stylestats http://t32k.me/
+$ stylestats https://t32k.me/
 ```
 
 `--format` option outputs JSON, HTML, Markdown and CSV.
@@ -128,17 +128,10 @@ $ stylestats foo.css -f <json|html|md|csv>
 If you have __[gist](https://github.com/defunkt/gist)__ installed, you can upload StyleStats data to [GitHub Gist](https://gist.github.com/9725673) with a one-liner command.
 
 ```sh
-$ stylestats http://t32k.me/ -f md > stats.md && gist stats.md
+$ stylestats https://t32k.me/ -f md > stats.md && gist stats.md
 https://gist.github.com/9725673
 ```
 
-## Other tools
-
-+ [Online tool](http://www.stylestats.org/)
-+ [Gulp module](https://github.com/1000ch/gulp-stylestats) by [@1000ch](https://github.com/1000ch)
-+ [Grunt module](https://github.com/tvooo/grunt-stylestats) by [@tvooo](https://github.com/tvooo)
-
-
 ## Metrics
 
 ![Metrics](http://i.imgur.com/oEABjEl.png)
@@ -293,15 +286,19 @@ $ stylestats path/to/stylesheet.css -c .stylestatsrc
 
 Config list is show to [default.json](https://github.com/t32k/stylestats/blob/master/assets/default.json)
 
-### `StyleStats.parse(fn)`
+### `StyleStats#parse()`
 
 ```javascript
 var StyleStats = require('stylestats');
 var stats = new StyleStats('path/to/stylesheet.css');
 
-stats.parse(function (error, result) {
-  console.log(JSON.stringify(result, null, 2));
-});
+stats.parse()
+  .then(function(result) {
+    console.log(JSON.stringify(result, null, 2));
+  })
+  .catch(function(error) {
+    console.log(error);
+  });
 ```
 
 ## Example

bin/cli.js

@@ -1,15 +1,14 @@
 #!/usr/bin/env node
 
-'use strict';
+/* eslint no-console: "off" */
 
-var fs = require('fs');
-var chalk = require('chalk');
-var program = require('commander');
-
-var StyleStats = require('../lib/stylestats');
-var Format = require('../lib/format');
-var specs = require('../lib/specs');
-var util = require('../lib/util');
+const fs = require('fs');
+const chalk = require('chalk');
+const program = require('commander');
+const StyleStats = require('../lib/stylestats');
+const Format = require('../lib/format');
+const specs = require('../lib/specs');
+const util = require('../lib/util');
 
 program
   .version(require('../package.json').version)
@@ -29,11 +28,13 @@ if (!program.args.length) {
 }
 
 // Config
-var config = {
-  requestOptions: {headers: {}}
+const config = {
+  requestOptions: {
+    headers: {}
+  }
 };
-var MOBILE_UA = 'Mozilla/5.0 (iPhone; CPU iPhone OS 8_0 like Mac OS X) AppleWebKit/600.1.4 Version/8.0 Safari/600.1.4';
-var numberConfig = {
+const MOBILE_UA = 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_0 like Mac OS X) AppleWebKit/602.1.38 (KHTML, like Gecko) Version/10.0 Mobile/14A5297c Safari/602.1';
+const numberConfig = {
   "published": false,
   "paths": false,
   "mostIdentifierSelector": false,
@@ -43,7 +44,7 @@ var numberConfig = {
   "uniqueColors": false,
   "propertiesCount": false
 };
-var userConfig = {};
+let userConfig = {};
 
 if (program.mobile) {
   config.requestOptions.headers['User-Agent'] = MOBILE_UA;
@@ -52,7 +53,7 @@ if (program.number) {
   Object.assign(config, numberConfig);
 }
 if (program.config && util.isFile(program.config)) {
-  var configString = fs.readFileSync(program.config, {
+  const configString = fs.readFileSync(program.config, {
     encoding: 'utf8'
   });
   try {
@@ -67,51 +68,36 @@ Object.assign(config, userConfig);
 
 
 // Parse
-var stats = new StyleStats(program.args, config);
-stats.parse(function (error, result) {
-  if (error) {
-    console.log(chalk.red(' [ERROR] ' + error.message));
-  }
-  var format = new Format(result);
-  if (fs.existsSync(program.template)) {
-
-    format.setTemplate(fs.readFileSync(program.template, {
-      encoding: 'utf8'
-    }));
-
-    format.parseTemplate(function (text) {
-      console.log(text);
-    });
-
-  } else if (!program.specs) {
-    switch (program.format) {
-      case 'json':
-        format.toJSON(function (json) {
-          console.log(json);
-        });
-        break;
-      case 'csv':
-        format.toCSV(function (csv) {
-          console.log(csv);
-        });
-        break;
-      case 'html':
-        format.toHTML(function (html) {
-          console.log(html);
-        });
-        break;
-      case 'md':
-        format.toMarkdown(function (md) {
-          console.log(md);
-        });
-        break;
-      default:
-        format.toTable(function (table) {
-          console.log(' StyleStats!\n' + table);
-        });
-        break;
+const stats = new StyleStats(program.args, config);
+stats.parse()
+  .then((result) => {
+    const format = new Format(result);
+    // Custom format
+    if (fs.existsSync(program.template)) {
+      format.setTemplate(fs.readFileSync(program.template, { encoding: 'utf8' }));
+      console.log(format.getFormattedText());
+    // Other formants
+    } else if (!program.specs) {
+      switch (program.format) {
+        case 'md':
+          console.log(format.toMarkdown());
+          break;
+        case 'html':
+          console.log(format.toHTML());
+          break;
+        case 'json':
+          console.log(format.toJSON());
+          break;
+        case 'csv':
+          format.toCSV().then((csv) => console.log(csv));
+          break;
+        default:
+          console.log(` StyleStats!
+${format.toTable()}`);
+          break;
+      }
+    } else {
+      specs(result, program.specs);
     }
-  } else {
-    specs(result, program.specs);
-  }
-});
+  })
+  .catch((error) => console.log(chalk.red(` [ERROR] ${error.message}`)));