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b1033b079f
Just like parallel evaluation, the number of extractor threads is now determined by the `LGTM_THREADS` environment variable, and defaults to one.
27 lines
1.4 KiB
Markdown
27 lines
1.4 KiB
Markdown
[[ condition: enterprise-only ]]
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# Improvements to JavaScript analysis
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> NOTES
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>
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> Please describe your changes in terms that are suitable for
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> customers to read. These notes will have only minor tidying up
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> before they are published as part of the release notes.
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>
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> This file is written for lgtm users and should contain *only*
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> notes about changes that affect lgtm enterprise users. Add
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> any other customer-facing changes to the `studio-java.md`
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> file.
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>
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## General improvements
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## Changes to code extraction
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* Parallel extraction of JavaScript files (but not TypeScript files) on LGTM is now supported. The `LGTM_THREADS` environment variable can be set to indicate how many files should be extracted in parallel. If this variable is not set, parallel extraction is disabled.
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* The extractor now offers experimental support for [E4X](https://developer.mozilla.org/en-US/docs/Archive/Web/E4X), a legacy language extension developed by Mozilla.
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* The extractor now supports additional [Flow](https://flow.org/) syntax.
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* The extractor now supports [Nullish Coalescing](https://github.com/tc39/proposal-nullish-coalescing) expressions.
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* The extractor now supports [TypeScript 3.2](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-2.html).
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* The TypeScript extractor now handles the control-flow of logical operators and destructuring assignments more accurately.
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