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Add missing operators to the tree-sitter grammar #612

merged 1 commit into from Oct 26, 2018


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Ben3eeE commented Oct 26, 2018


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  • All new code requires tests to ensure against regressions

Description of the Change

Sync up operators with the textmate grammar. It's possible I missed some 馃槄 I didn't add ** or **= because they are not parsed by tree-sitter. They are also experimental according to MDN.

Textmate (one-dark-ui)

Tree-sitter (Before this PR)

Tree-sitter (With this PR)

Alternate Designs



All operators are styled the same

Possible Drawbacks

  • Some people like the inconsistent highlighting of operators that tree-sitter introduced
  • It looks like ** and **= is styled correctly because styling is captured by each of the parts. But tree-sitter parses it with ERROR

Applicable Issues


@Ben3eeE Ben3eeE requested a review from maxbrunsfeld Oct 26, 2018


Looks great! 馃殺

Also, would you be up for adding these to the Flow and TypeScript grammar files in language-typescript. I know it's a bit duplicative... maybe we could add some mechanism for sharing these scope mappings at some point.

@Ben3eeE Ben3eeE merged commit ff1ac77 into master Oct 26, 2018

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@Ben3eeE Ben3eeE deleted the b3-missing-operators branch Oct 26, 2018

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