fix: adds webpack banner plugin to tag bundles with version (#784)

refactor: updates let to const in generateBanner module

refactor: adds getPackageJson module to get vlues from package.json

refactor: adds jsdoc comments in getPackageJson module

tools/getPackageJson.js

@@ -0,0 +1,25 @@
+import fs from 'fs';
+import path from 'path';
+
+/**
+ * A module to get package informations from package.json
+ * @module getPackageJson
+ * @param {...string} keys from package.json if no arguments passed it returns package.json content as object
+ * @returns {object} with given keys or content of package.json as object
+ */
+
+/**
+ * Returns package info
+ */
+const getPackageJson = function(...args) {
+  const packageJSON = JSON.parse(fs.readFileSync(path.join(__dirname, '../package.json')));
+  if (!args.length) {
+    return packageJSON;
+  }
+  return args.reduce((out, key) => {
+    out[key] = packageJSON[key];
+    return out;
+  }, {});
+};
+
+module.exports = getPackageJson;

tools/getPackageVersion.js

@@ -1,9 +0,0 @@
-import fs from 'fs';
-import path from 'path';
-
-export default function getPackageVersion() {
-  let packageJSON = JSON.parse(fs.readFileSync(path.join(__dirname, '../package.json')));
-
-  return packageJSON.version;
-}
-

tools/webpack.dev.config.babel.js

@@ -4,7 +4,7 @@ import FriendlyErrorsPlugin from 'friendly-errors-webpack-plugin';
 import baseConfig from './webpack.config';
 import env from '../src/config/env';
 import StyleLintPlugin from 'stylelint-webpack-plugin';
-import getPackageVersion from './getPackageVersion';
+import getPackageJson from './getPackageJson';
 
 export default {
   ...baseConfig,
@@ -31,7 +31,7 @@ export default {
   plugins: [
     new webpack.DefinePlugin({
       __DEBUG__: true,
-      __APP_VERSION__: `"${getPackageVersion()}"`,
+      __APP_VERSION__: `"${getPackageJson('version')}"`,
     }),
     new HTMLWebpackPlugin({
       title: 'Verdaccio',

tools/webpack.prod.config.babel.js

@@ -7,7 +7,21 @@ const baseConfig = require('./webpack.config');
 const env = require('../src/config/env');
 const _ = require('lodash');
 const merge = require('webpack-merge');
-import getPackageVersion from './getPackageVersion';
+const getPackageJson = require('./getPackageJson');
+
+const {
+  version,
+  name,
+  license,
+} = getPackageJson('version', 'name', 'license');
+
+const banner = `
+    Name: [name]
+    Generated on: ${Date.now()}
+    Package: ${name}
+    Version: v${version}
+    License: ${license}
+    `;
 
 const prodConf = {
   mode: 'production',
@@ -24,7 +38,7 @@ const prodConf = {
     new webpack.DefinePlugin({
       __DEBUG__: false,
       'process.env.NODE_ENV': '"production"',
-      __APP_VERSION__: `"${getPackageVersion()}"`,
+      __APP_VERSION__: `"${version}"`,
     }),
     new MiniCssExtractPlugin({
       filename: 'style.[contenthash].css',
@@ -38,6 +52,7 @@ const prodConf = {
       debug: false,
       inject: true,
     }),
+    new webpack.BannerPlugin(banner),
   ],
 
   optimization: {