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by azazel75 3739 days ago
The former, it translates Python 3.5 syntax and some of the core semantics to ES6+ JavaScript and then BabelJS is used to transpile that ES6 JS to ES5. All this retaining a sourcemap that maps back to the original Python sources.

It does all without the need for nodejs (even if it can be used of course), it uses an embedded js interpreter.