[ts] support optional chaining operator #283
Description
Typescript 3.7 added a new "?." operator, which currently breaks syntax highlighting.
https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html
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Typescript 3.7 added a new "?." operator, which currently breaks syntax highlighting.
https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html