Fix output file bugs (#210)

* Fix output option bugs

* If output file is .tsx, set options.types to true

src/gltfjsx.js

@@ -43,16 +43,21 @@ export default function (file, output, options) {
  }
 
  return new Promise((resolve, reject) => {
- const stream = fs.createWriteStream(output)
+ const stream = fs.createWriteStream(path.resolve(output))
  stream.once('open', async (fd) => {
  if (!fs.existsSync(file)) {
  reject(file + ' does not exist.')
  } else {
  let size = ''
  // Process GLTF
+ if (output && path.parse(output).ext === '.tsx') {
+ options.types = true
+ }
+
  if (options.transform || options.instance || options.instanceall) {
  const { name } = path.parse(file)
- const transformOut = path.join(name + '-transformed.glb')
+ const outputDir = path.parse(path.resolve(output ?? file)).dir;
+ const transformOut = path.join(outputDir, name + '-transformed.glb')
  await transform(file, transformOut, options)
  const { size: sizeOriginal, sizeKB: sizeKBOriginal } = getFileSize(file)
  const { size: sizeTransformed, sizeKB: sizeKBTransformed } = getFileSize(transformOut)