I agree. It is not advised to introduce confusing syntax if there is a chance that somebody outside of the group would use the code. It is even more frustratin

I agree. It is not advised to introduce confusing syntax if there is a chance that somebody outside of the group would use the code. It is even more frustrating in .js repositories today. People use various ESXX flavours and syntaxes that might not compatible with each other. Just look at this list: https://babeljs.io/docs/plugins/ https://babeljs.io/docs/plugins/ My favorite is: babel-plugin-transform-decorators-legacy (A plugin for Babel 6 that (mostly) replicates the old decorator behavior from Babel 5) Talk about code reuse