like this:

https://twitter.com/skidding/status/971716661895024642?s=21

their code is here:

https://github.com/skidding/flatris/blob/b9088b80c2d01eb375502903df2a7262b406a5b5/components/pages/Error.js

vscode might have a version that checks for existing duplicates first?

https://github.com/Microsoft/vscode/blob/27adc85a73a9f1784dc4d7bb3f48c3fe41360655/src/vs/code/electron-browser/issue/issueReporterMain.ts

would be nice as a npm package