cli.js

#!/usr/bin/env node
const path = require('path')
const fs = require('fs')
const semver = require('semver')
const { init, initDumb } = require('./initer/index')
const { getParsedHyperformJson } = require('./parser/index')
const { log } = require('./printers/index')
const { maybeShowSurvey, answerSurvey } = require('./surveyor/index')
const packagejson = require('./package.json')

// Ingest CLI arguments
// DEV NOTE: Keep it brief and synchronious

const args = process.argv.slice(2)

// Check node version
const version = packagejson.engines.node 
if (semver.satisfies(process.version, version) !== true) {
  console.log(`Hyperform needs node ${version} or newer, but version is ${process.version}.`);
  process.exit(1);
}

if (
  (/deploy/.test(args[0]) === false) 
 || ((args.length === 1)) 
|| (args.length === 2)
|| (args.length === 3 && args[2] !== '--amazon' && args[2] !== '--google') 
|| (args.length === 4 && ([args[2], args[3]].includes('--url') === false))
|| args.length >= 5) {
  log(`Usage: 
 $ hf deploy ./some/file.js --amazon  # Deploy exports to AWS Lambda
 $ hf deploy ./some/file.js --google  # Deploy exports to Google Cloud Functions
`)
  process.exit(1)
}

// $ hf MODE FPATH [--url]
// const mode = args[0]
const fpath = args[1]
const isPublic = (args.length === 4 
  ? ([args[2], args[3]].includes('--url'))
  : false)

const currdir = process.cwd() 

let platform 
if (args[2] === '--amazon') platform = 'amazon'
if (args[2] === '--google') platform = 'google'

// // Mode is init
// if (mode === 'init') {
//   initDumb(currdir)
//   process.exit()
// }

// Mode is answer survey
// if (mode === 'answer') {
//   const answer = args.slice(1) // words after $ hf answer
//   // Send anonymous answer (words and date recorded)
//   answerSurvey(answer)
//     .then(process.exit())
// }

// Mode is deploy

// try to read hyperform.json
const hyperformJsonExists = fs.existsSync(path.join(currdir, 'hyperform.json'))
if (hyperformJsonExists === false) {
  if (platform === 'amazon') {
    log(`No hyperform.json found in current directory. Create it with these fields:
      
    {
      "amazon": {
          "aws_access_key_id": "...",
          "aws_secret_access_key": "...",
          "aws_region": "..."
      }
    }
      
      `)
  }

  if (platform === 'google') {
    log(`No hyperform.json found in current directory. Create it with these fields:
      
    { 
      "google": {
        "gc_project": "...",
        "gc_region": "...",
      }
    }
    
    `)
  }
  process.exit(1)
}
// parse and validate hyperform.json
const parsedHyperformJson = getParsedHyperformJson(currdir, platform)
  
// Dev Note: Do this as early as possible
  
// Load AWS Credentials from hyperform.json into process.env
// These are identical with variables that Amazon CLI uses, so they may be set
// However, that is fine, hyperform.json should still take precedence
if (parsedHyperformJson.amazon != null) {
  process.env.AWS_ACCESS_KEY_ID = parsedHyperformJson.amazon.aws_access_key_id,
  process.env.AWS_SECRET_ACCESS_KEY = parsedHyperformJson.amazon.aws_secret_access_key,
  process.env.AWS_REGION = parsedHyperformJson.amazon.aws_region
  // may, may not be defined.
  process.env.AWS_SESSION_TOKEN = parsedHyperformJson.amazon.aws_session_token
}
  
// Load GC Credentials from hyperform.json into process.env
// These are different from what Google usually occupies (GCLOUD_...)
if (parsedHyperformJson.google != null) {
  process.env.GC_PROJECT = parsedHyperformJson.google.gc_project
  process.env.GC_REGION = parsedHyperformJson.google.gc_region
}

// Top-level error boundary
try {
  // Main
  // Do not import earlier, it needs to absorb process.env set above
  // TODO: make less sloppy
  const { main } = require('./index')
  main(currdir, fpath, platform, parsedHyperformJson, isPublic)
  // show anonymous survey question with 1/30 probability
  //  .then(() => maybeShowSurvey())
} catch (e) {
  log(e)
  process.exit(1)
}