perf: Use a memoized key lookup for rules #615
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On my project, this makes ESLint as a whole roughly 8% faster, and it seems to result in consistently faster benchmarks. Note a behavior change - member expressions used to find the first matching rule, while they now favor the more general rule if relevant.
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On my project, this makes ESLint as a whole roughly 8% faster, and it seems to result in consistently faster benchmarks.
Note a behavior change - member expressions used to find the first matching rule, while they now favor the more general rule if relevant.