@pixelshift.ai/gl-conformance/lib/load-resources.js

Khronos WebGL conformance test suite

'use strict'

module.exports = loadResources

var glob = require('glob')
var fs = require('fs')
var path = require('path')

var RESOURCES = require('./resources.json')

function loadResourcesDir (baseDir, pattern, result, cb) {
  var failed = false
  var count = 0

  function fail (err) {
    if (failed) {
      return
    }
    cb(err || new Error('error'))
    failed = true
  }

  function next () {
    if (failed) {
      return
    }
    if (--count === 0) {
      cb(null, result)
      return
    }
  }

  console.log('loading resources in:', baseDir + '/' + pattern)

  glob(pattern, { cwd: baseDir }, function (err, files) {
    if (err) {
      fail(err)
      return
    }
    count = files.length
    files.forEach(function (file) {
      var filePath = path.join(baseDir, file)
      console.log('reading resource:', filePath)
      fs.readFile(filePath, function (err, data) {
        if (err) {
          fail(err)
          return
        }
        if (failed) {
          return
        }
        result[file] = data.toString('base64')
        next()
      })
    })
  })
}

function loadResources (suiteDir, cb) {
  var count = RESOURCES.length
  var failed = false
  var result = {}
  RESOURCES.forEach(function (pattern) {
    loadResourcesDir(suiteDir, pattern, result, function (err, files) {
      if (failed) {
        return
      }
      if (err) {
        failed = true
        cb(err)
        return
      }
      if (--count === 0) {
        cb(null, result)
        return
      }
    })
  })
}