ES6 module for PapaParse

While upgrading to Angular 10, using PapaParse gives following warning message - WARNING in C:\parser.component.ts depends on papaparse. CommonJS or AMD dependencies can cause optimization bailouts.

This seems to be because PapaParse is CommonJS module dependency.

I am importing papaparse as follows - import * as csvParser from 'papaparse';

and using it as - csvParser.parse(file, {});

Can you help me with an ES6 module that I could use instead?

[PooSham]

@pokoli That doesn’t seem very relevant at all. ES6 modules are part of modern javascript, they have nothing to do with typescript.

The import and export keywords are now native to javascript, and you can now isolate your files as modules without wrapping everything in a function that you call (like you do now). If you still want backward compatibility, you can use babel that will generate CommonJS and AMD modules for you. Your code gets cleaner and users of this library can get more aggressive optimization. win-win.

TLDR; Having typescript definitions is not enough. We want ES6 modules.

[Silic0nS0ldier]

As a first step I’ve created a PR that introduces support in (hopefully) the least backwards incompatible way. The code I’m confident with, build system support less so. Anyone up for some integration testing? PR is https://github.com/mholt/PapaParse/pull/875