TypeScript: Support a TS 3.9 breaking change for Optional Chaining and Non-Null Assertions #8450
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fisker
approved these changes
May 29, 2020
thorn0
reviewed
May 29, 2020
src/language-js/needs-parens.js
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| @@ -626,6 +626,14 @@ function needsParens(path, options) { | |||
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| case "OptionalMemberExpression": | |||
| case "OptionalCallExpression": | |||
| if ( | |||
| node.type === "OptionalMemberExpression" && | |||
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OptionalCallExpression should be handled too.
thorn0
reviewed
May 29, 2020
src/language-js/needs-parens.js
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| if ( | ||
| node.type === "OptionalMemberExpression" && | ||
| parent.type === "TSNonNullExpression" && | ||
| path.getParentNode(1).type === "MemberExpression" |
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Member expressions have two child nodes, so it's not enough to check only type here.
thorn0
reviewed
May 29, 2020
thorn0
approved these changes
May 30, 2020
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Fixes #8339
changelog_unreleased/*/pr-XXXX.mdfile followingchangelog_unreleased/TEMPLATE.md.