need electron support

[xnetsc]

if run in electron,it's "BOTH" web env and node env.
maybe add this support?

[xnetsc]

@kripken

[curiousdannii]

Can you give more detail about what is not working?

[ericmandel]

Please have a look at this new PR #8594 and feel free to join the discussion.

The aim of the PR is to make it possible to mount the local file system in a Node-enabled web page within Electron. Do you have other Emscripten issues within Electron?

[stale]

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