Error: Implement me. Unknown stdin file type!

[AaronNGray]

On running with example.js I am getting the following

Error: Implement me. Unknown stdin file type! at process.stdin (internal/process/stdio.js:86:15) at file:///C:/Users/aaron/Tests/JavaScript/pdf-to-png/node_modules/electron-spawn/index.html:29:10 Error: Cannot find module 'node-ensure' at Function.Module._resolveFilename (module.js:339:15) at Function.Module._load (module.js:290:25) at Module.require (module.js:367:17) at require (internal/module.js:16:19) at C:\Users\aaron\Tests\JavaScript\pdf-to-png\node_modules\pdfjs-dist\build\pdf.js:8548:22 at InvalidPDFException (C:\Users\aaron\Tests\JavaScript\pdf-to-png\node_modules\pdfjs-dist\build\pdf.js:8504:5) at Object.pdfjsWrapper (C:\Users\aaron\Tests\JavaScript\pdf-to-png\node_modules\pdfjs-dist\build\pdf.js:8509:2) at C:\Users\aaron\Tests\JavaScript\pdf-to-png\node_modules\pdfjs-dist\build\pdf.js:10688:6 at pdfjsVersion (C:\Users\aaron\Tests\JavaScript\pdf-to-png\node_modules\pdfjs-dist\build\pdf.js:23:5) at Object. (C:\Users\aaron\Tests\JavaScript\pdf-to-png\node_modules\pdfjs-dist\build\pdf.js:27:2)