cli.js

#!/usr/bin/env node
'use strict'

const childProcess = require('child_process')
const fs = require('fs')
const path = require('path')
const tslint = require('tslint')

const fetchDocs = require('./vendor/fetch-docs')
const generateTypings = require('./')

let outFile
let inFile
process.argv.forEach((arg) => {
  if (arg.startsWith('-o=')) {
    outFile = arg.substring(3)
  } else if (arg.startsWith('--out=')) {
    outFile = arg.substring(6)
  }
  if (arg.startsWith('-i=')) {
    inFile = arg.substring(3)
  } else if (arg.startsWith('--in=')) {
    inFile = arg.substring(5)
  }
})

let apiPromise
if (inFile) {
  const inPath = path.resolve(process.cwd(), inFile)
  if (fs.existsSync(inPath)) {
    apiPromise = Promise.resolve(require(path.resolve(process.cwd(), inFile)))
  } else {
    apiPromise = fetchDocs(inFile)
  }
} else {
  apiPromise = fetchDocs()
}

const typeCheck = () => {
  const tscExec = path.resolve(require.resolve('typescript'), '../../bin/tsc')
  const tscChild = childProcess.spawn('node', [tscExec, '--project', 'tsconfig.json'], {
    cwd: path.resolve(__dirname, 'test-smoke/electron')
  })
  tscChild.stdout.on('data', d => console.log(d.toString()))
  tscChild.stderr.on('data', d => console.error(d.toString()))
  tscChild.on('exit', (tscStatus) => {
    if (tscStatus !== 0) {
      process.exit(tscStatus)
    }
  })
}

apiPromise.then(API => {
  return JSON.parse(JSON.stringify(API))
}).then(API => {
  const output = generateTypings(API).join('\n') + '\n'
  const linter = new tslint.Linter({})
  const configuration = tslint.Configuration.findConfiguration(
    path.join(__dirname, 'tslint.json'), outFile
  ).results
  linter.lint(outFile, output, configuration)
  const result = linter.getResult()

  if (result.failureCount === 0) {
    fs.writeFileSync(outFile, output)
    fs.writeFileSync(path.resolve(__dirname, 'test-smoke/electron/index.d.ts'), output)

    typeCheck()
  } else {
    console.error('Failed to lint electron.d.ts')
    result.failures.forEach(failure => {
      delete failure.rawLines
      delete failure.sourceFile
      console.log('\n\n----------\n\n')
      console.log(failure)
    })

    // Save file for debugging purpsoses
    const debugFile = path.resolve(__dirname, 'test-smoke/electron/index.d.ts')
    fs.writeFileSync(debugFile, output)
    console.log(`See ${debugFile}`)

    process.exit(1)
  }
})