Moved scripts to other repo, CI setup

music_graph/.babelrc

@@ -0,0 +1,12 @@
+{
+  "presets": [
+    ["env", {
+      "modules": false,
+      "targets": {
+        "browsers": ["> 1%", "last 2 versions", "not ie <= 8"]
+      }
+    }],
+    "stage-2"
+  ],
+  "plugins": ["transform-vue-jsx", "transform-runtime"]
+}

music_graph/.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 4
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true

music_graph/.eslintignore

@@ -0,0 +1,4 @@
+/build/
+/config/
+/dist/
+/*.js

music_graph/.eslintrc.js

@@ -0,0 +1,34 @@
+// https://eslint.org/docs/user-guide/configuring
+
+module.exports = {
+    root: true,
+    parserOptions: {
+        parser: 'babel-eslint'
+    },
+    env: {
+        browser: true,
+    },
+    extends: [
+        // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
+        // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
+        'plugin:vue/essential',
+        // https://github.com/standard/standard/blob/master/docs/RULES-en.md
+        'standard'
+    ],
+    // required to lint *.vue files
+    plugins: [
+        'vue'
+    ],
+    // add your custom rules here
+    rules: {
+        // allow async-await
+        'generator-star-spacing': 'off',
+        // allow debugger during development
+        'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
+        "indent": ["error", 4, {SwitchCase: 1}],
+        "no-param-reassign": 0,
+        "no-underscore-dangle": 0,
+        "no-trailing-spaces": 0,
+        "space-before-function-paren": 0,
+    }
+};

music_graph/.postcssrc.js

@@ -0,0 +1,10 @@
+// https://github.com/michael-ciniawsky/postcss-load-config
+
+module.exports = {
+  "plugins": {
+    "postcss-import": {},
+    "postcss-url": {},
+    // to edit target browsers: use "browserslist" field in package.json
+    "autoprefixer": {}
+  }
+}

music_graph/build/build.js

@@ -0,0 +1,41 @@
+'use strict'
+require('./check-versions')()
+
+process.env.NODE_ENV = 'production'
+
+const ora = require('ora')
+const rm = require('rimraf')
+const path = require('path')
+const chalk = require('chalk')
+const webpack = require('webpack')
+const config = require('../config')
+const webpackConfig = require('./webpack.prod.conf')
+
+const spinner = ora('building for production...')
+spinner.start()
+
+rm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => {
+  if (err) throw err
+  webpack(webpackConfig, (err, stats) => {
+    spinner.stop()
+    if (err) throw err
+    process.stdout.write(stats.toString({
+      colors: true,
+      modules: false,
+      children: false, // If you are using ts-loader, setting this to true will make TypeScript errors show up during build.
+      chunks: false,
+      chunkModules: false
+    }) + '\n\n')
+
+    if (stats.hasErrors()) {
+      console.log(chalk.red('  Build failed with errors.\n'))
+      process.exit(1)
+    }
+
+    console.log(chalk.cyan('  Build complete.\n'))
+    console.log(chalk.yellow(
+      '  Tip: built files are meant to be served over an HTTP server.\n' +
+      '  Opening index.html over file:// won\'t work.\n'
+    ))
+  })
+})

music_graph/build/check-versions.js

@@ -0,0 +1,54 @@
+'use strict'
+const chalk = require('chalk')
+const semver = require('semver')
+const packageConfig = require('../package.json')
+const shell = require('shelljs')
+
+function exec (cmd) {
+  return require('child_process').execSync(cmd).toString().trim()
+}
+
+const versionRequirements = [
+  {
+    name: 'node',
+    currentVersion: semver.clean(process.version),
+    versionRequirement: packageConfig.engines.node
+  }
+]
+
+if (shell.which('npm')) {
+  versionRequirements.push({
+    name: 'npm',
+    currentVersion: exec('npm --version'),
+    versionRequirement: packageConfig.engines.npm
+  })
+}
+
+module.exports = function () {
+  const warnings = []
+
+  for (let i = 0; i < versionRequirements.length; i++) {
+    const mod = versionRequirements[i]
+
+    if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) {
+      warnings.push(mod.name + ': ' +
+        chalk.red(mod.currentVersion) + ' should be ' +
+        chalk.green(mod.versionRequirement)
+      )
+    }
+  }
+
+  if (warnings.length) {
+    console.log('')
+    console.log(chalk.yellow('To use this template, you must update following to modules:'))
+    console.log()
+
+    for (let i = 0; i < warnings.length; i++) {
+      const warning = warnings[i]
+      console.log('  ' + warning)
+    }
+
+    console.log()
+    process.exit(1)
+  }
+}

music_graph/build/utils.js

@@ -0,0 +1,101 @@
+'use strict'
+const path = require('path')
+const config = require('../config')
+const ExtractTextPlugin = require('extract-text-webpack-plugin')
+const packageConfig = require('../package.json')
+
+exports.assetsPath = function (_path) {
+  const assetsSubDirectory = process.env.NODE_ENV === 'production'
+    ? config.build.assetsSubDirectory
+    : config.dev.assetsSubDirectory
+
+  return path.posix.join(assetsSubDirectory, _path)
+}
+
+exports.cssLoaders = function (options) {
+  options = options || {}
+
+  const cssLoader = {
+    loader: 'css-loader',
+    options: {
+      sourceMap: options.sourceMap
+    }
+  }
+
+  const postcssLoader = {
+    loader: 'postcss-loader',
+    options: {
+      sourceMap: options.sourceMap
+    }
+  }
+
+  // generate loader string to be used with extract text plugin
+  function generateLoaders (loader, loaderOptions) {
+    const loaders = options.usePostCSS ? [cssLoader, postcssLoader] : [cssLoader]
+
+    if (loader) {
+      loaders.push({
+        loader: loader + '-loader',
+        options: Object.assign({}, loaderOptions, {
+          sourceMap: options.sourceMap
+        })
+      })
+    }
+
+    // Extract CSS when that option is specified
+    // (which is the case during production build)
+    if (options.extract) {
+      return ExtractTextPlugin.extract({
+        use: loaders,
+        fallback: 'vue-style-loader'
+      })
+    } else {
+      return ['vue-style-loader'].concat(loaders)
+    }
+  }
+
+  // https://vue-loader.vuejs.org/en/configurations/extract-css.html
+  return {
+    css: generateLoaders(),
+    postcss: generateLoaders(),
+    less: generateLoaders('less'),
+    sass: generateLoaders('sass', { indentedSyntax: true }),
+    scss: generateLoaders('sass'),
+    stylus: generateLoaders('stylus'),
+    styl: generateLoaders('stylus')
+  }
+}
+
+// Generate loaders for standalone style files (outside of .vue)
+exports.styleLoaders = function (options) {
+  const output = []
+  const loaders = exports.cssLoaders(options)
+
+  for (const extension in loaders) {
+    const loader = loaders[extension]
+    output.push({
+      test: new RegExp('\\.' + extension + '$'),
+      use: loader
+    })
+  }
+
+  return output
+}
+
+exports.createNotifierCallback = () => {
+  const notifier = require('node-notifier')
+
+  return (severity, errors) => {
+    if (severity !== 'error') return
+
+    const error = errors[0]
+    const filename = error.file && error.file.split('!').pop()
+
+    notifier.notify({
+      title: packageConfig.name,
+      message: severity + ': ' + error.name,
+      subtitle: filename || '',
+      icon: path.join(__dirname, 'logo.png')
+    })
+  }
+}

music_graph/build/vue-loader.conf.js

@@ -0,0 +1,22 @@
+'use strict'
+const utils = require('./utils')
+const config = require('../config')
+const isProduction = process.env.NODE_ENV === 'production'
+const sourceMapEnabled = isProduction
+  ? config.build.productionSourceMap
+  : config.dev.cssSourceMap
+
+module.exports = {
+  loaders: utils.cssLoaders({
+    sourceMap: sourceMapEnabled,
+    extract: isProduction
+  }),
+  cssSourceMap: sourceMapEnabled,
+  cacheBusting: config.dev.cacheBusting,
+  transformToRequire: {
+    video: ['src', 'poster'],
+    source: 'src',
+    img: 'src',
+    image: 'xlink:href'
+  }
+}

music_graph/build/webpack.base.conf.js

@@ -0,0 +1,91 @@
+'use strict'
+const path = require('path')
+const utils = require('./utils')
+const config = require('../config')
+const vueLoaderConfig = require('./vue-loader.conf')
+
+function resolve (dir) {
+  return path.join(__dirname, '..', dir)
+}
+
+const createLintingRule = () => ({
+  test: /\.(js|vue)$/,
+  loader: 'eslint-loader',
+  enforce: 'pre',
+  include: [resolve('src'), resolve('test')],
+  options: {
+    formatter: require('eslint-friendly-formatter'),
+    emitWarning: !config.dev.showEslintErrorsInOverlay
+  }
+})
+
+module.exports = {
+  context: path.resolve(__dirname, '../'),
+  entry: {
+    app: './src/main.js'
+  },
+  output: {
+    path: config.build.assetsRoot,
+    filename: '[name].js',
+    publicPath: process.env.NODE_ENV === 'production'
+      ? config.build.assetsPublicPath
+      : config.dev.assetsPublicPath
+  },
+  resolve: {
+    extensions: ['.js', '.vue', '.json'],
+    alias: {
+      '@': resolve('src'),
+    }
+  },
+  module: {
+    rules: [
+      ...(config.dev.useEslint ? [createLintingRule()] : []),
+      {
+        test: /\.vue$/,
+        loader: 'vue-loader',
+        options: vueLoaderConfig
+      },
+      {
+        test: /\.js$/,
+        loader: 'babel-loader',
+        include: [resolve('src'), resolve('test'), resolve('node_modules/webpack-dev-server/client')]
+      },
+      {
+        test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
+        loader: 'url-loader',
+        options: {
+          limit: 10000,
+          name: utils.assetsPath('img/[name].[hash:7].[ext]')
+        }
+      },
+      {
+        test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/,
+        loader: 'url-loader',
+        options: {
+          limit: 10000,
+          name: utils.assetsPath('media/[name].[hash:7].[ext]')
+        }
+      },
+      {
+        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
+        loader: 'url-loader',
+        options: {
+          limit: 10000,
+          name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
+        }
+      }
+    ]
+  },
+  node: {
+    // prevent webpack from injecting useless setImmediate polyfill because Vue
+    // source contains it (although only uses it if it's native).
+    setImmediate: false,
+    // prevent webpack from injecting mocks to Node native modules
+    // that does not make sense for the client
+    dgram: 'empty',
+    fs: 'empty',
+    net: 'empty',
+    tls: 'empty',
+    child_process: 'empty'
+  }
+}

music_graph/build/webpack.dev.conf.js

@@ -0,0 +1,95 @@
+'use strict'
+const utils = require('./utils')
+const webpack = require('webpack')
+const config = require('../config')
+const merge = require('webpack-merge')
+const path = require('path')
+const baseWebpackConfig = require('./webpack.base.conf')
+const CopyWebpackPlugin = require('copy-webpack-plugin')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
+const portfinder = require('portfinder')
+
+const HOST = process.env.HOST
+const PORT = process.env.PORT && Number(process.env.PORT)
+
+const devWebpackConfig = merge(baseWebpackConfig, {
+  module: {
+    rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
+  },
+  // cheap-module-eval-source-map is faster for development
+  devtool: config.dev.devtool,
+
+  // these devServer options should be customized in /config/index.js
+  devServer: {
+    clientLogLevel: 'warning',
+    historyApiFallback: {
+      rewrites: [
+        { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },
+      ],
+    },
+    hot: true,
+    contentBase: false, // since we use CopyWebpackPlugin.
+    compress: true,
+    host: HOST || config.dev.host,
+    port: PORT || config.dev.port,
+    open: config.dev.autoOpenBrowser,
+    overlay: config.dev.errorOverlay
+      ? { warnings: false, errors: true }
+      : false,
+    publicPath: config.dev.assetsPublicPath,
+    proxy: config.dev.proxyTable,
+    quiet: true, // necessary for FriendlyErrorsPlugin
+    watchOptions: {
+      poll: config.dev.poll,
+    }
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env': require('../config/dev.env')
+    }),
+    new webpack.HotModuleReplacementPlugin(),
+    new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
+    new webpack.NoEmitOnErrorsPlugin(),
+    // https://github.com/ampedandwired/html-webpack-plugin
+    new HtmlWebpackPlugin({
+      filename: 'index.html',
+      template: 'index.html',
+      inject: true
+    }),
+    // copy custom static assets
+    new CopyWebpackPlugin([
+      {
+        from: path.resolve(__dirname, '../static'),
+        to: config.dev.assetsSubDirectory,
+        ignore: ['.*']
+      }
+    ])
+  ]
+})
+
+module.exports = new Promise((resolve, reject) => {
+  portfinder.basePort = process.env.PORT || config.dev.port
+  portfinder.getPort((err, port) => {
+    if (err) {
+      reject(err)
+    } else {
+      // publish the new Port, necessary for e2e tests
+      process.env.PORT = port
+      // add port to devServer config
+      devWebpackConfig.devServer.port = port
+
+      // Add FriendlyErrorsPlugin
+      devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
+        compilationSuccessInfo: {
+          messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
+        },
+        onErrors: config.dev.notifyOnErrors
+        ? utils.createNotifierCallback()
+        : undefined
+      }))
+
+      resolve(devWebpackConfig)
+    }
+  })
+})

music_graph/build/webpack.prod.conf.js

@@ -0,0 +1,145 @@
+'use strict'
+const path = require('path')
+const utils = require('./utils')
+const webpack = require('webpack')
+const config = require('../config')
+const merge = require('webpack-merge')
+const baseWebpackConfig = require('./webpack.base.conf')
+const CopyWebpackPlugin = require('copy-webpack-plugin')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const ExtractTextPlugin = require('extract-text-webpack-plugin')
+const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
+
+const env = require('../config/prod.env')
+
+const webpackConfig = merge(baseWebpackConfig, {
+  module: {
+    rules: utils.styleLoaders({
+      sourceMap: config.build.productionSourceMap,
+      extract: true,
+      usePostCSS: true
+    })
+  },
+  devtool: config.build.productionSourceMap ? config.build.devtool : false,
+  output: {
+    path: config.build.assetsRoot,
+    filename: utils.assetsPath('js/[name].[chunkhash].js'),
+    chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
+  },
+  plugins: [
+    // http://vuejs.github.io/vue-loader/en/workflow/production.html
+    new webpack.DefinePlugin({
+      'process.env': env
+    }),
+    new UglifyJsPlugin({
+      uglifyOptions: {
+        compress: {
+          warnings: false
+        }
+      },
+      sourceMap: config.build.productionSourceMap,
+      parallel: true
+    }),
+    // extract css into its own file
+    new ExtractTextPlugin({
+      filename: utils.assetsPath('css/[name].[contenthash].css'),
+      // Setting the following option to `false` will not extract CSS from codesplit chunks.
+      // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
+      // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`, 
+      // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
+      allChunks: true,
+    }),
+    // Compress extracted CSS. We are using this plugin so that possible
+    // duplicated CSS from different components can be deduped.
+    new OptimizeCSSPlugin({
+      cssProcessorOptions: config.build.productionSourceMap
+        ? { safe: true, map: { inline: false } }
+        : { safe: true }
+    }),
+    // generate dist index.html with correct asset hash for caching.
+    // you can customize output by editing /index.html
+    // see https://github.com/ampedandwired/html-webpack-plugin
+    new HtmlWebpackPlugin({
+      filename: config.build.index,
+      template: 'index.html',
+      inject: true,
+      minify: {
+        removeComments: true,
+        collapseWhitespace: true,
+        removeAttributeQuotes: true
+        // more options:
+        // https://github.com/kangax/html-minifier#options-quick-reference
+      },
+      // necessary to consistently work with multiple chunks via CommonsChunkPlugin
+      chunksSortMode: 'dependency'
+    }),
+    // keep module.id stable when vendor modules does not change
+    new webpack.HashedModuleIdsPlugin(),
+    // enable scope hoisting
+    new webpack.optimize.ModuleConcatenationPlugin(),
+    // split vendor js into its own file
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'vendor',
+      minChunks (module) {
+        // any required modules inside node_modules are extracted to vendor
+        return (
+          module.resource &&
+          /\.js$/.test(module.resource) &&
+          module.resource.indexOf(
+            path.join(__dirname, '../node_modules')
+          ) === 0
+        )
+      }
+    }),
+    // extract webpack runtime and module manifest to its own file in order to
+    // prevent vendor hash from being updated whenever app bundle is updated
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'manifest',
+      minChunks: Infinity
+    }),
+    // This instance extracts shared chunks from code splitted chunks and bundles them
+    // in a separate chunk, similar to the vendor chunk
+    // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'app',
+      async: 'vendor-async',
+      children: true,
+      minChunks: 3
+    }),
+
+    // copy custom static assets
+    new CopyWebpackPlugin([
+      {
+        from: path.resolve(__dirname, '../static'),
+        to: config.build.assetsSubDirectory,
+        ignore: ['.*']
+      }
+    ])
+  ]
+})
+
+if (config.build.productionGzip) {
+  const CompressionWebpackPlugin = require('compression-webpack-plugin')
+
+  webpackConfig.plugins.push(
+    new CompressionWebpackPlugin({
+      asset: '[path].gz[query]',
+      algorithm: 'gzip',
+      test: new RegExp(
+        '\\.(' +
+        config.build.productionGzipExtensions.join('|') +
+        ')$'
+      ),
+      threshold: 10240,
+      minRatio: 0.8
+    })
+  )
+}
+
+if (config.build.bundleAnalyzerReport) {
+  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
+  webpackConfig.plugins.push(new BundleAnalyzerPlugin())
+}
+
+module.exports = webpackConfig

music_graph/config/dev.env.js

@@ -0,0 +1,7 @@
+'use strict'
+const merge = require('webpack-merge')
+const prodEnv = require('./prod.env')
+
+module.exports = merge(prodEnv, {
+  NODE_ENV: '"development"'
+})

music_graph/config/index.js

@@ -0,0 +1,76 @@
+'use strict'
+// Template version: 1.3.1
+// see http://vuejs-templates.github.io/webpack for documentation.
+
+const path = require('path')
+
+module.exports = {
+  dev: {
+
+    // Paths
+    assetsSubDirectory: 'static',
+    assetsPublicPath: '/',
+    proxyTable: {},
+
+    // Various Dev Server settings
+    host: 'localhost', // can be overwritten by process.env.HOST
+    port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
+    autoOpenBrowser: false,
+    errorOverlay: true,
+    notifyOnErrors: true,
+    poll: false, // https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-
+
+    // Use Eslint Loader?
+    // If true, your code will be linted during bundling and
+    // linting errors and warnings will be shown in the console.
+    useEslint: true,
+    // If true, eslint errors and warnings will also be shown in the error overlay
+    // in the browser.
+    showEslintErrorsInOverlay: false,
+
+    /**
+     * Source Maps
+     */
+
+    // https://webpack.js.org/configuration/devtool/#development
+    devtool: 'cheap-module-eval-source-map',
+
+    // If you have problems debugging vue-files in devtools,
+    // set this to false - it *may* help
+    // https://vue-loader.vuejs.org/en/options.html#cachebusting
+    cacheBusting: true,
+
+    cssSourceMap: true
+  },
+
+  build: {
+    // Template for index.html
+    index: path.resolve(__dirname, '../dist/index.html'),
+
+    // Paths
+    assetsRoot: path.resolve(__dirname, '../dist'),
+    assetsSubDirectory: 'static',
+    assetsPublicPath: '/',
+
+    /**
+     * Source Maps
+     */
+
+    productionSourceMap: true,
+    // https://webpack.js.org/configuration/devtool/#production
+    devtool: '#source-map',
+
+    // Gzip off by default as many popular static hosts such as
+    // Surge or Netlify already gzip all static assets for you.
+    // Before setting to `true`, make sure to:
+    // npm install --save-dev compression-webpack-plugin
+    productionGzip: false,
+    productionGzipExtensions: ['js', 'css'],
+
+    // Run the build command with an extra argument to
+    // View the bundle analyzer report after build finishes:
+    // `npm run build --report`
+    // Set to `true` or `false` to always turn it on or off
+    bundleAnalyzerReport: process.env.npm_config_report
+  }
+}

music_graph/config/prod.env.js

@@ -0,0 +1,4 @@
+'use strict'
+module.exports = {
+  NODE_ENV: '"production"'
+}

music_graph/index.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <title>music_graph</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <!-- built files will be auto injected -->
+  </body>
+</html>

music_graph/package.json

@@ -0,0 +1,79 @@
+{
+    "name": "music_graph",
+    "version": "1.0.0",
+    "description": "wip",
+    "author": "simon987 <>",
+    "private": true,
+    "scripts": {
+        "dev": "webpack-dev-server --inline --progress --config build/webpack.dev.conf.js",
+        "start": "npm run dev",
+        "lint": "eslint --ext .js,.vue src",
+        "build": "node build/build.js"
+    },
+    "dependencies": {
+        "d3": "^5.9.2",
+        "d3-force": "^2.0.1",
+        "d3-path": "^1.0.7",
+        "element-ui": "^2.7.2",
+        "vue": "^2.6.10",
+        "vue-resource": "^1.5.1",
+        "vue-router": "^3.0.2"
+    },
+    "devDependencies": {
+        "autoprefixer": "^7.1.2",
+        "babel-core": "^6.22.1",
+        "babel-eslint": "^8.2.1",
+        "babel-helper-vue-jsx-merge-props": "^2.0.3",
+        "babel-loader": "^7.1.1",
+        "babel-plugin-component": "^1.1.1",
+        "babel-plugin-syntax-jsx": "^6.18.0",
+        "babel-plugin-transform-runtime": "^6.22.0",
+        "babel-plugin-transform-vue-jsx": "^3.5.0",
+        "babel-preset-env": "^1.3.2",
+        "babel-preset-stage-2": "^6.22.0",
+        "chalk": "^2.0.1",
+        "copy-webpack-plugin": "^4.0.1",
+        "css-loader": "^0.28.0",
+        "eslint": "^4.15.0",
+        "eslint-config-standard": "^10.2.1",
+        "eslint-friendly-formatter": "^3.0.0",
+        "eslint-loader": "^1.7.1",
+        "eslint-plugin-import": "^2.7.0",
+        "eslint-plugin-node": "^5.2.0",
+        "eslint-plugin-promise": "^3.4.0",
+        "eslint-plugin-standard": "^3.0.1",
+        "eslint-plugin-vue": "^4.0.0",
+        "extract-text-webpack-plugin": "^3.0.0",
+        "file-loader": "^1.1.4",
+        "friendly-errors-webpack-plugin": "^1.6.1",
+        "html-webpack-plugin": "^2.30.1",
+        "node-notifier": "^5.1.2",
+        "optimize-css-assets-webpack-plugin": "^3.2.0",
+        "ora": "^1.2.0",
+        "portfinder": "^1.0.13",
+        "postcss-import": "^11.0.0",
+        "postcss-loader": "^2.0.8",
+        "postcss-url": "^7.2.1",
+        "rimraf": "^2.6.0",
+        "semver": "^5.3.0",
+        "shelljs": "^0.7.6",
+        "uglifyjs-webpack-plugin": "^1.1.1",
+        "url-loader": "^0.5.8",
+        "vue-loader": "^13.3.0",
+        "vue-style-loader": "^3.0.1",
+        "vue-template-compiler": "^2.5.2",
+        "webpack": "^3.9.1",
+        "webpack-bundle-analyzer": "^2.9.0",
+        "webpack-dev-server": "^2.9.1",
+        "webpack-merge": "^4.1.0"
+    },
+    "engines": {
+        "node": ">= 6.0.0",
+        "npm": ">= 3.0.0"
+    },
+    "browserslist": [
+        "> 1%",
+        "last 2 versions",
+        "not ie <= 8"
+    ]
+}

music_graph/src/App.vue

@@ -0,0 +1,21 @@
+<template>
+    <div id="app">
+        <router-view/>
+    </div>
+</template>
+
+<script>
+export default {
+    name: 'App'
+}
+</script>
+
+<style>
+    body {
+        padding: 0;
+        margin: 0;
+    }
+
+    #app {
+    }
+</style>

music_graph/src/components/ArtistInfo.vue

@@ -0,0 +1,54 @@
+<template>
+    <el-card class="artist-info box-card" v-if="artist !== undefined">
+        <div slot="header">
+            <span>{{artist.name}}</span>
+        </div>
+        <div>
+            <ImageCarousel
+                v-bind:sources="artistInfo.covers"
+                interval="750" />
+        </div>
+    </el-card>
+</template>
+
+<script>
+import Vue from 'vue'
+import ImageCarousel from './ImageCarousel'
+
+let data = {
+    artistInfo: {
+        releases: [],
+        covers: []
+    }
+}
+
+function reloadInfo(artist) {
+    Vue.http.get('http://localhost:3030/artist/details/' + artist.mbid)
+        .then(response => {
+            response.json().then(info => {
+                info.covers = info.releases.map(mbid => 'http://localhost:3030/cover/' + mbid)
+
+                data.artistInfo = info
+            })
+        })
+}
+
+export default {
+    name: 'ArtistInfo',
+    components: {ImageCarousel},
+    props: ['artist'],
+    watch: {
+        artist: reloadInfo
+    },
+    data() {
+        return data
+    }
+}
+</script>
+
+<style scoped>
+    .artist-info {
+        margin: 1rem;
+        position: fixed;
+    }
+</style>

music_graph/src/components/HelloWorld.vue

@@ -0,0 +1,463 @@
+<template>
+    <div>
+        <ArtistInfo v-bind:artist="hoverArtist"/>
+    </div>
+</template>
+
+<script>
+import * as d3 from 'd3'
+import ArtistInfo from './ArtistInfo'
+
+let data = {
+    hoverArtist: undefined
+}
+
+const nodeUtils = {
+    getNodeType: function (labels) {
+        if (labels.find(l => l === 'Tag')) {
+            return 'Tag'
+        } else if (labels.find(l => l === 'Group')) {
+            return 'Group'
+        } else if (labels.find(l => l === 'Artist')) {
+            return 'Artist'
+        }
+        return undefined
+    },
+
+    getRadius: function (node) {
+        if (expandedNodes.has(node.id)) {
+            return 40
+        }
+
+        if (node.type === 'Tag') {
+            return 10
+        }
+
+        return Math.max(Math.sqrt(node.listeners / 7000) * 1.4, 15)
+    },
+
+    getColor: function (node) {
+        if (expandedNodes.has(node.id)) {
+            return '#1cb3c8'
+        }
+        return null
+    }
+}
+
+let originArtist
+let originNode
+let expandedNodes = new Set()
+
+function MusicGraph() {
+    const width = window.innerWidth - 7
+    const height = window.innerHeight - 7
+
+    this.nodeById = new Map()
+    this.nodes = []
+    this.links = []
+    this._originSet = false
+
+    this.svg = d3.select('body')
+        .append('svg')
+        .attr('width', width)
+        .attr('height', height)
+
+    this.zoomed = () => {
+        this.container.attr('transform', d3.event.transform)
+    }
+
+    this.svg.append('rect')
+        .attr('width', width)
+        .attr('height', height)
+        .classed('pan-rect', true)
+        .style('fill', 'none')
+        .call(d3.zoom()
+            .scaleExtent([1 / 10, 5])
+            .on('zoom', this.zoomed))
+
+    this.container = this.svg.append('g').attr('id', 'container')
+
+    this.container.append('g')
+        .attr('id', 'links')
+    this.container.append('g')
+        .attr('id', 'nodes')
+    this.container.append('g')
+        .attr('id', 'labels')
+
+    this.dragStarted = (d) => {
+        if (!d3.event.active) {
+            this.simulation.alphaTarget(0.3).restart()
+        }
+        d.fx = d.x
+        d.fy = d.y
+    }
+
+    this.dragged = (d) => {
+        d.fx = d3.event.x
+        d.fy = d3.event.y
+    }
+
+    this.dragEnded = (d) => {
+        if (!d3.event.active) {
+            this.simulation.alphaTarget(0)
+        }
+
+        d.fx = null
+        d.fy = null
+    }
+
+    this.nodeHover = (d) => {
+        data.hoverArtist = d
+
+        let srcLinks = this.links.filter(link => link.source.id === d.id)
+        let targetLinks = this.links.filter(link => link.target.id === d.id)
+        data.hoverLinks = srcLinks.map(l => {
+            return {
+                match: (l.weight * 100).toFixed(2) + '%',
+                other: l.target
+            }
+        }).concat(targetLinks.map(l => {
+            return {
+                match: (l.weight * 100).toFixed(2) + '%',
+                other: l.source
+            }
+        }))
+        console.log(data.hoverLinks)
+
+        this.svg.classed('hover', true)
+
+        this.link.classed('selected', link =>
+            link.source.id === d.id || link.target.id === d.id)
+
+        this.node.classed('selected', n =>
+            n.sourceLinks.has(d.id) ||
+            n.targetLinks.has(d.id))
+
+        this.label.classed('selected', n =>
+            n.sourceLinks.has(d.id) ||
+            n.targetLinks.has(d.id) ||
+            n.id === d.id)
+
+        this.node.classed('hover', n => n.id === d.id)
+    }
+
+    this.nodeOut = () => {
+        this.svg.classed('hover', false)
+        this.label.classed('selected', false)
+        this.link.classed('selected', false)
+        this.node.classed('selected', false)
+        this.node.classed('hover', false)
+    }
+
+    this.nodeDbClick = (d) => {
+        if (expandedNodes.has(d.id)) {
+            return
+        }
+
+        expandedNodes.add(d.id)
+        expandArtist(d.mbid)
+    }
+
+    this.simulation = d3.forceSimulation()
+        .force('charge', d3.forceManyBody())
+        .force('collide', d3.forceCollide()
+            .radius(50)
+            .strength(1))
+        .force('center', d3.forceCenter(width / 2, height / 2))
+
+    this.simulation.stop()
+
+    this.simulation.on('tick', () => {
+        this.link
+            .attr('x1', d => d.source.x)
+            .attr('y1', d => d.source.y)
+            .attr('x2', d => d.target.x)
+            .attr('y2', d => d.target.y)
+        this.node
+            .attr('cx', d => d.x)
+            .attr('cy', d => d.y)
+        this.label
+            .attr('x', d => d.x)
+            .attr('y', d => d.y)
+    })
+
+    /**
+     * Add nodes to the graph
+     */
+    this.addNodes = function (newNodes, relations, originId) {
+        // Update node map, ignore existing nodes
+        let nodesToAdd = []
+        newNodes.forEach(d => {
+            if (this.nodeById.has(d.id)) {
+                return
+            }
+            this.nodeById.set(d.id, d)
+
+            if (this._originSet && originId) {
+                // Set new nodes initial position
+                let centerNode = this.nodeById.get(originId)
+                centerNode.fx = centerNode.x
+                centerNode.fy = centerNode.y
+                d.x = centerNode.x
+                d.y = centerNode.y
+                setTimeout(() => {
+                    centerNode.fx = null
+                    centerNode.fy = null
+                }, 600)
+            }
+
+            nodesToAdd.push(d)
+        })
+
+        // Convert {id, id} relation to {node, node}
+        let linksToAdd = relations.map(({weight, source, target}) => ({
+            source: this.nodeById.get(source),
+            target: this.nodeById.get(target),
+            weight: weight
+        }))
+
+        // Update source/targetLinks
+        for (const {source, target} of linksToAdd) {
+            source.sourceLinks.add(target.id)
+            target.targetLinks.add(source.id)
+        }
+
+        this.nodes.push(...nodesToAdd)
+        this.links.push(...linksToAdd)
+
+        if (!this._originSet) {
+            this._setOrigin()
+            this._originSet = true
+        }
+
+        this._update()
+    }
+
+    /**
+     * Remove nodes from the graph
+     */
+    this.removeNodes = function (idsToRemove) {
+        let idSetToRemove = new Set(idsToRemove)
+
+        idsToRemove.forEach(id => {
+            // Update targetLinks
+            Array.from(this.nodeById.get(id).sourceLinks)
+                .map(srcId => this.nodeById.get(srcId))
+                .forEach(target => {
+                    target.targetLinks.delete(id)
+                })
+
+            this.nodeById.delete(id)
+        })
+
+        // Remove links
+        this.links = this.links.filter(l =>
+            !idSetToRemove.has(l.target.id) &&
+            !idSetToRemove.has(l.source.id)
+        )
+
+        // Remove nodes
+        this.nodes = this.nodes.filter(d => !idSetToRemove.has(d.id))
+
+        this._update()
+    }
+
+    this._update = function () {
+        this.simulation.nodes(this.nodes)
+        this.simulation
+            .force('link', d3.forceLink(this.links)
+                .id(d => d.id)
+                .strength(l => l.weight)
+                .distance(d => Math.min(
+                    (1.2 / d.weight) * (94 * expandedNodes.size))
+                )
+            )
+        this.simulation
+            .restart()
+
+        // Add new links
+        this.link = this.container.select('#links')
+            .selectAll('.link')
+            .data(this.links)
+        let linkEnter = this.link
+            .enter()
+            .append('line')
+            .classed('link', true)
+        this.link = linkEnter.merge(this.link)
+
+        // Add new nodes
+        this.node = this.container.select('#nodes')
+            .selectAll('.node')
+            .attr('stroke', d => nodeUtils.getColor(d))
+            .data(this.nodes)
+        let nodeEnter = this.node
+            .enter()
+            .append('circle')
+            .classed('node', true)
+            .attr('r', 35)
+            .attr('stroke', d => nodeUtils.getColor(d))
+            .call(d3.drag()
+                .on('start', this.dragStarted)
+                .on('drag', this.dragged)
+                .on('end', this.dragEnded))
+            .on('mouseover', this.nodeHover)
+            .on('mouseout', this.nodeOut)
+            .on('dblclick', this.nodeDbClick)
+        this.node = nodeEnter.merge(this.node)
+
+        // Add new labels
+        this.label = this.container.select('#labels')
+            .selectAll('.label')
+            .data(this.nodes)
+        let labelEnter = this.label
+            .enter()
+            .append('text')
+            .text(d => d.name)
+            .classed('label', true)
+        this.label = labelEnter.merge(this.label)
+    }
+
+    this.setupKeyBindings = function () {
+        document.body.onkeydown = (e) => {
+            let isPanMode = this.svg.classed('pan-mode')
+
+            if (e.key === 'q') {
+                this.svg.classed('pan-mode', !isPanMode)
+            } else if (e.key === 'Escape') {
+                this.svg.classed('pan-mode', false)
+            }
+        }
+    }
+
+    this._setOrigin = function () {
+        // Set origin node in center
+        originNode = this.simulation.nodes().find(node => node.id === originArtist.id)
+        originNode.fx = width / 2
+        originNode.fy = height / 2
+
+        setTimeout(() => {
+            originNode.fx = null
+            originNode.fy = null
+        }, 500)
+
+        // Remember that we expanded origin node
+        expandedNodes.add(originNode.id)
+    }
+
+    this._update()
+    this.setupKeyBindings()
+}
+
+let mm = new MusicGraph()
+
+function expandArtist(mbid) {
+    d3.json('http://localhost:3030/artist/related/' + mbid)
+        .then((r) => {
+            originArtist = r.artists.find(a => a.mbid === mbid)
+
+            const nodes = r.artists.map((row) => {
+                return {
+                    id: row.id,
+                    mbid: row.mbid,
+                    name: row.name,
+                    listeners: row.listeners,
+                    type: nodeUtils.getNodeType(row.labels),
+                    sourceLinks: new Set(),
+                    targetLinks: new Set()
+                }
+            })
+
+            mm.addNodes(nodes, r.relations, originArtist.id)
+        })
+}
+
+expandArtist('66fc5bf8-daa4-4241-b378-9bc9077939d2')
+
+export default {
+    components: {ArtistInfo},
+    data() {
+        return data
+    }
+}
+</script>
+
+<style>
+    svg {
+        margin-top: 3px;
+        margin-left: 3px;
+
+        -webkit-touch-callout: none;
+        -webkit-user-select: none;
+        -khtml-user-select: none;
+        -moz-user-select: none;
+        -ms-user-select: none;
+        user-select: none;
+    }
+
+    /* Pan mode */
+    svg.pan-mode .node {
+        pointer-events: none;
+    }
+
+    svg.pan-mode {
+        cursor: move;
+    }
+
+    svg.pan-mode .pan-rect {
+        pointer-events: all;
+    }
+
+    svg.pan-mode {
+        box-sizing: border-box;
+        border: 5px red solid;
+    }
+
+    /* Link */
+    svg .link.selected {
+        stroke-width: 2;
+        stroke-opacity: 1;
+    }
+
+    svg .link {
+        stroke: orange;
+        pointer-events: none;
+        stroke-opacity: 0.7;
+        stroke-width: 1;
+    }
+
+    svg.hover .link:not(.selected) {
+        stroke-opacity: 0.2;
+        stroke-width: 0.1;
+    }
+
+    /* Node */
+    svg .node.selected {
+        stroke: red;
+    }
+
+    svg .node.hover {
+        stroke: red;
+    }
+
+    svg.hover .node:not(.selected):not(.hover) {
+        display: none;
+    }
+
+    svg .node {
+        fill: transparent;
+    }
+
+    /* Label */
+    svg .label {
+        text-anchor: middle;
+        pointer-events: none;
+    }
+
+    svg.hover .label:not(.selected) {
+        display: none;
+    }
+
+    body {
+        background: #E7EDEB;
+    }
+</style>

music_graph/src/components/ImageCarousel.vue

@@ -0,0 +1,51 @@
+<template>
+    <div>
+        <img
+            alt=""
+            width="96"
+            height="96"
+            v-show="currentSrc === url"
+            v-bind:src="url"
+            v-bind:key="url"
+            v-for="url in sources"
+        >
+    </div>
+</template>
+
+<script>
+let data = {
+    currentSrc: '',
+    index: 0
+}
+
+export default {
+    name: 'ImageCarousel',
+    props: ['sources', 'interval'],
+    data() {
+        return data
+    },
+    mounted() {
+        setInterval(() => {
+            this.tick()
+        }, Number(this.interval))
+    },
+    watch: {
+        sources: () => {
+            data.index = 0
+        }
+    },
+    methods: {
+        tick() {
+            if (data.index === this.sources.length - 1) {
+                data.index = 0
+            }
+
+            data.index += 1
+            data.currentSrc = this.sources[data.index]
+        }
+    }
+}
+</script>
+
+<style scoped>
+</style>

music_graph/src/main.js

@@ -0,0 +1,19 @@
+import Vue from 'vue'
+import App from './App'
+import router from './router'
+
+import ElementUI from 'element-ui'
+import VueResource from 'vue-resource'
+import 'element-ui/lib/theme-chalk/index.css'
+
+Vue.use(ElementUI)
+Vue.use(VueResource)
+
+/* eslint-disable no-new */
+new Vue({
+    el: '#app',
+    router,
+    render: h => h(App)
+})
+
+Vue.config.productionTip = false

music_graph/src/router/index.js

@@ -0,0 +1,15 @@
+import Vue from 'vue'
+import Router from 'vue-router'
+import HelloWorld from '@/components/HelloWorld'
+
+Vue.use(Router)
+
+export default new Router({
+    routes: [
+        {
+            path: '/',
+            name: 'HelloWorld',
+            component: HelloWorld
+        }
+    ]
+})