feat: Support Hermes (react-native) SourceMaps #22
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Swatinem
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Yeah. This is all a bit meh. I think one way we could go forward is instead of exposing the source map as the primary API to have view objects over them that provide the most common operations. We already effectively do something like this in symbolic where a source map often only makes sense when paired with the source view of the minified code. Might be worth looking into the firefox developer tools. They might have found better abstractions. |
mitsuhiko
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Feb 3, 2020
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| let mut nums = parse_vlq_segment(mapping).ok()?.into_iter(); | ||
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| column = (i64::from(column) + nums.next()?) as u32; |
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wonder if we want to deal with the overflow explicitly here.
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hm, the regular sourcemap code doesn’t either.
jan-auer
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Feb 4, 2020
mitsuhiko
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Feb 4, 2020
mitsuhiko
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Feb 4, 2020
mitsuhiko
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Feb 4, 2020
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Confirmed, just tested it end to end, it works! |
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fixes #21
This exposes a new
SourceMapHermestype, which can look up the scope name via a bytecode offset.