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Better abstract string concatenation #217

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TimothyGu opened this issue Apr 30, 2020 · 3 comments · May be fixed by #221
Open

Better abstract string concatenation #217

TimothyGu opened this issue Apr 30, 2020 · 3 comments · May be fixed by #221

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@TimothyGu
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Due to the way we construct type conversions, oftentimes we see unidiomatic code like

webidl2js/test/__snapshots__/test.js.snap

Line 167 in 7d45dfc

\\"Failed to execute 'bs' on 'BufferSourceTypes': parameter 1\\" + \\" is not of any supported type.\\"
Ideally we want to merge string literals together and even use template literals.

Related to this is #204, but this seems mostly orthogonal and more tractable.
@domenic
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domenic commented Apr 30, 2020

I wonder if this could be done as a post-processing step using eslint --fix or some more aggressive prettier configuration.

@TimothyGu
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Prettier has a stance of not changing ASTs, so I guess that'd be off. ESLint has no-useless-concat, but sadly no fixer for it. This is easy to do even without a postprocessor though, so maybe we should just write the code.

@ExE-Boss
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ExE-Boss commented May 3, 2020 •
edited

I already have code for this in https://github.com/ExE-Boss/webidl2js/tree/refactor/precompute-concatenated-strings from a month ago, but I wasn’t sure whether it was something that was needed, and now it needs rebasing.

This was referenced May 3, 2020
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Precompute concatenated strings where possible ExE-Boss/webidl2js
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@domenic @TimothyGu @ExE-Boss