coming together

bin/build.js

@@ -0,0 +1,61 @@
+const Report = require('./lib/report')
+const utils = require('./lib/utils')
+const {uniq, pick} = require('lodash')
+const repos = require('repos-using-electron').filter(repo => !repo.fork)
+const registry = require('all-the-packages')
+const Package = require('nice-package')
+const electronNpmPackages = require('electron-npm-packages')
+const MAX_RESULTS = 100
+const topDeps = utils.getTopDependencies(repos).slice(0, MAX_RESULTS)
+const topDevDeps = utils.getTopDevDependencies(repos).slice(0, MAX_RESULTS)
+const allPackageNames = uniq(topDeps.map(d => d.name).concat(topDevDeps.map(d => d.name)))
+
+registry
+  .on('package', function (pkg) {
+    process.stdout.write('.')
+    if (pkg && pkg.name && allPackageNames.includes(pkg.name)) {
+      console.log(pkg.name)
+      packageData[pkg.name] = new Package(pkg)
+    }
+  })
+  .on('end', finish)
+
+function finish () {
+  // Add extra package metadata to dep lists
+  topDeps.forEach(dep => Object.assign(dep, packageData[dep.name]) )
+  topDevDeps.forEach(dep => Object.assign(dep, packageData[dep.name]) )
+
+  new Report({
+    title: 'Top Dependencies in Apps',
+    description: 'npm packages that are used most often as `dependencies` in Electron apps',
+    collection: topDeps
+  }).save()
+
+  new Report({
+    title: 'Top Development Dependencies in Apps',
+    description: 'npm packages that are used most often as `devDependencies` in Electron apps',
+    collection: topDevDeps
+  }).save()
+
+  new Report({
+    title: 'Top GitHub Contributors',
+    description: 'GitHub users that have contributed to the most Electron repositories',
+    collection: utils.getTopContributors(repos).slice(0, MAX_RESULTS)
+  }).save()
+
+  new Report({
+    title: 'Electron-specific packages most-depended-on by other npm packages',
+    description: 'Electron-specific npm packages that are depended on by other npm packages',
+    collection: electronNpmPackages
+      .sort((a, b) => b.totalDeps - a.totalDeps)
+      .slice(0, MAX_RESULTS)
+  }).save()
+
+  new Report({
+    title: 'Most-downloaded Electron-specific npm Packages',
+    description: 'Electron-specific npm packages that are depended on by other npm packages',
+    collection: electronNpmPackages
+      .sort((a, b) => b.downloadsInLastMonth - a.downloadsInLastMonth)
+      .slice(0, MAX_RESULTS)
+  }).save()
+}

lib/report.js

@@ -1,5 +1,6 @@
 const validate = require('revalidator').validate
 const titlecase = require('ap-style-title-case')
+const path = require('path')
 
 module.exports = class Report {
   constructor (props) {
@@ -8,6 +9,10 @@ module.exports = class Report {
     return this
   }
 
+  get basename () {
+    return this.title.toLowerCase().replace(/\s/g, '_')
+  }
+
   get valid () {
     return validate(this, schema).valid
   }
@@ -16,6 +21,14 @@ module.exports = class Report {
     return validate(this, schema).errors
   }
 
+  save () {
+    if (!this.valid) return console.error(this.validationErrors)
+
+    fs.writeFileSync(
+      path.join((__dirname, `../reports/{this.basename}.json`)
+      JSON.stringify(this, null, 2)
+    )
+  }
 }
 
 const schema = {

lib/utils.js

@@ -0,0 +1,24 @@
+const {compact, flatten} = require('lodash')
+const tally = require('count-array-values')
+const fetchPackage = require('fetch-nice-package')
+
+function cleanNames (names) {
+  return compact(flatten(names))
+}
+
+module.exports = {
+  getTopDependencies: (repos) => {
+    const names = repos.map(repo => repo.pkg.depNames)
+    return tally(cleanNames(names), 'name', 'dependents')
+  },
+
+  getTopDevDependencies: (repos) => {
+    const names = repos.map(repo => repo.pkg.devDepNames)
+    return tally(cleanNames(names), 'name', 'devDependents')
+  },
+
+  getTopContributors: (repos) => {
+    const names = repos.map(repo => repo.contributors)
+    return tally(cleanNames(names), 'user', 'repos')
+  }
+}

package.json

@@ -7,19 +7,30 @@
   "author": "zeke",
   "license": "MIT",
   "devDependencies": {
+    "all-the-packages": "^1.0.2",
     "ap-style-title-case": "^1.0.1",
     "chai": "^3.5.0",
+    "count-array-values": "^1.2.1",
+    "electron-npm-packages": "^2.0.3",
+    "fetch-nice-package": "^1.0.2",
+    "get-first-commit": "^0.2.0",
+    "lodash": "^4.17.2",
     "mocha": "^3.2.0",
-    "repos-using-electron": "^1.6.0",
+    "nice-package": "^1.2.5",
+    "repos-using-electron": "^1.9.0",
     "revalidator": "^0.3.1",
     "standard": "^8.6.0"
   },
   "scripts": {
+    "build": "node bin/build.js",
     "test": "mocha && standard"
   },
   "standard": {
     "env": {
       "mocha": true
     }
+  },
+  "engines": {
+    "node": ">=6"
   }
 }