Supporting CLI mode

Author: kokororin

.editorconfig

@@ -0,0 +1,14 @@
+# editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false

README.md

@@ -6,13 +6,13 @@
 Node.js JSON generator for the simple and diligent HTML5 audio player [MUSE](https://github.com/moefront/muse).
 
 
-## Installation
+## Usage
 
+### with Node.js API
 ```bash
 $ npm install --save muse-json-generator
 ```
 
-## Usage
 Create a new file named `playlist.js`
 
 ```js
@@ -26,6 +26,18 @@ generator(477331181, 480097777).then(playlist => {
 node playlist.js > playlist.json
 ```
 
+### on CLI
+```bash
+$ npm install -g muse-json-generator
+```
+
+```bash
+$ muse 477331181 480097777
+$ muse 477331181,480097777
+```
+
+This action would generator a `playlisy.json` in your current working directory.
+
 ## API
 
 ```js
@@ -39,8 +51,9 @@ const generator = require('muse-json-generator');
 ## Todo list
 
  - [ ] Adjust translation
+ - [ ] test
 
 
 ## License
 
-© 2017 MoeFront Studio | The MIT License (MIT).
+© 2017 MoeFront Studio | The MIT License (MIT).

bin/muse.js

@@ -0,0 +1,26 @@
+#!/usr/bin/env node
+/* eslint no-var: 0 */
+/* eslint prefer-arrow-callback: 0 */
+var fs = require('fs');
+var generator = require('../lib/generator');
+var pkg = require('../package.json');
+
+var argv = process.argv.slice(2);
+
+if (argv.length === 0) {
+  console.log([pkg.name, pkg.version].join(' '));
+} else {
+  if (argv.length === 1) {
+    argv = argv[0].split(',');
+  }
+
+  generator
+    .apply(this, argv)
+    .then(function(playlist) {
+      fs.writeFileSync('playlist.json', playlist);
+      console.log('playlist.json generated successfully');
+    })
+    .catch(function(err) {
+      console.error(err);
+    });
+}

package.json

@@ -3,12 +3,16 @@
   "version": "1.0.2",
   "description": "JSON generator for MUSE",
   "main": "lib/generator.js",
+  "bin": {
+    "muse": "bin/muse.js",
+    "muse-json-generator": "bin/muse.js"
+  },
   "scripts": {
     "build": "npm run trash && babel src --out-dir lib",
     "test": "echo \"Error: no test specified\" && exit 1",
     "trash": "trash build stats lib",
     "watch": "babel src --watch --out-dir lib",
-    "lint": "eslint ./src"
+    "lint": "eslint ./src ./bin"
   },
   "repository": {
     "type": "git",
@@ -26,7 +30,7 @@
   "homepage": "https://github.com/moefront/muse-json-generator#readme",
   "dependencies": {
     "babel-runtime": "^6.26.0",
-    "honoka": "^0.3.4"
+    "honoka": "^0.3.5"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",

src/generator.js

@@ -1,58 +1,61 @@
 import honoka from 'honoka';
 
 function parseResponse(response) {
-	try {
-		response = JSON.parse(response);
-	} catch (e) {
-		throw new Error('response is not a valid json string');
-	}
+  try {
+    response = JSON.parse(response);
+  } catch (e) {
+    throw new Error('response is not a valid json string');
+  }
 
-	if (response.code !== 200) {
-		throw new Error('response code is not valid', response.code);
-	}
+  if (response.code !== 200) {
+    throw new Error('response code is not valid', response.code);
+  }
 
-	return response;
+  return response;
 }
 
 async function generator() {
-	if (arguments.length === 0) {
-		throw new Error('invalid input');
-	}
-
-	const result = [];
-
-	for (const id of Array.from(arguments)) {
-		const item = {};
-		let songDetail = await honoka.get(
-			`http://music.163.com/api/song/detail/?id=${id}&ids=%5B${id}%5D`
-		);
-		songDetail = parseResponse(songDetail);
-
-		songDetail = songDetail.songs[0];
-
-		item.title = songDetail.name;
-		item.artist = songDetail.artists[0].name;
-		item.cover = songDetail.album.picUrl;
-		item.src = `https://api.kotori.love/netease/${id}.mp3`;
-
-		let lyricDetail = await honoka.get(
-			`http://music.163.com/api/song/lyric?os=pc&id=${id}&lv=-1&kv=-1&tv=-1`
-		);
-		lyricDetail = parseResponse(lyricDetail);
-
-		item.lrc = lyricDetail.lrc.lyric;
-		item.translation = lyricDetail.tlyric.lyric;
-
-		['lrc', 'translation'].forEach(key => {
-			if (item[key] === null) {
-				delete item[key];
-			}
-		});
-
-		result.push(item);
-	}
-
-	return JSON.stringify(result, null, 2);
+  if (arguments.length === 0) {
+    throw new Error('invalid input');
+  }
+
+  const result = [];
+
+  for (const id of Array.from(arguments)) {
+    if (!/^[0-9]*[1-9][0-9]*$/.test(id)) {
+      throw new Error('invalid song ID');
+    }
+    const item = {};
+    let songDetail = await honoka.get(
+      `http://music.163.com/api/song/detail/?id=${id}&ids=%5B${id}%5D`
+    );
+    songDetail = parseResponse(songDetail);
+
+    songDetail = songDetail.songs[0];
+
+    item.title = songDetail.name;
+    item.artist = songDetail.artists[0].name;
+    item.cover = songDetail.album.picUrl;
+    item.src = `https://api.kotori.love/netease/${id}.mp3`;
+
+    let lyricDetail = await honoka.get(
+      `http://music.163.com/api/song/lyric?os=pc&id=${id}&lv=-1&kv=-1&tv=-1`
+    );
+    lyricDetail = parseResponse(lyricDetail);
+
+    item.lyric = lyricDetail.lrc.lyric;
+    item.translation = lyricDetail.tlyric.lyric;
+
+    ['lyric', 'translation'].forEach(key => {
+      if (item[key] === null) {
+        delete item[key];
+      }
+    });
+
+    result.push(item);
+  }
+
+  return JSON.stringify(result, null, 2);
 }
 
 export default generator;

yarn.lock

@@ -1408,9 +1408,9 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
-honoka@^0.3.4:
-  version "0.3.4"
-  resolved "https://registry.npmjs.org/honoka/-/honoka-0.3.4.tgz#c7c98fc96a042651eba8a71faea77582de5f0b10"
+honoka@^0.3.5:
+  version "0.3.5"
+  resolved "https://registry.npmjs.org/honoka/-/honoka-0.3.5.tgz#13355c00c3bb1f1d46bf8acf9d3a1078766594bd"
   dependencies:
     node-fetch "^1.7.2"
     whatwg-fetch "^2.0.3"