Properly elide or preserve empty imports/exports #810
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Fixes #801 Sucrase previously had a somewhat unified approach to import/export elision, but this caused an issue with `import {}` statements, which should be removed in TypeScript, but not in Flow or with neither transform enabled. Now, we plumb the full configuration to both transforms and use the configuration to decide which strategy is relevant.
Benchmark resultsBefore this PR: 377.8 thousand lines per second Measured change: 0.09% faster (0.19% slower to 0.21% faster) |
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Fixes #801
Sucrase previously had a somewhat unified approach to import/export elision, but this caused an issue with
import {}statements, which should be removed in TypeScript, but not in Flow or with neither transform enabled. Now, we plumb the full configuration to both transforms and use the configuration to decide which strategy is relevant.