Optimize fileExists callback path #1266
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Instead of looking up filePathKey twice, cache in in the local scope. This isn't a hugely expensive lookup path, but is a hot path on large project recompiles (especially after caches are blown away). Profiling shows that even the Map lookup shows non-trivial cache lookup aggregate time
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looks good! Can you update the |
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@johnnyreilly - any idea what's up with the travis test failure? It was clean before I bumped package.json & I don't see any reason why my change should cause the listed failure Edit: Looks like I'm not the only failure on this https://travis-ci.org/github/TypeStrong/ts-loader/jobs/762060860 |
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travis has been flaky for a while and I want to remove it entirely - can't find the relevant setting in GitHub alas. It's intentionally not required so don''t worry. |
This was referenced Mar 11, 2021
chore(deps): bump ts-loader from 6.2.2 to 8.0.18 in /OngekiScoreLog
project-primera/ongeki-score#357
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This was referenced Mar 15, 2021
Merged
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Instead of looking up filePathKey twice, cache in in the local scope. This isn't a hugely expensive lookup path, but is a hot path on large project recompiles (especially after caches are blown away). Profiling shows that even the Map lookup shows non-trivial cache lookup aggregate time. (Less than a non-cached implementation though :) )
