swc/crates/swc_ecma_parser/tests/tsc/optionalMethodDeclarations.ts

// @target: esnext,es2016
// @noTypesAndSymbols: true

// https://github.com/microsoft/TypeScript/issues/34952#issuecomment-552025027
class C {
    // ? should be removed in emit
    method?() {}
}
feat(es): TypeScript 4.2 (#1330) swc_ecma_ast: - Add `is_abstract` to constructor types. swc_ecma_codegen: - Fix codegen of `Bool`. - Implement codegen for abstract constructors. swc_ecma_parser: - Inline tsc parser test suite. - Implement parsing of abstract constructor types. 2021-01-15 13:30:44 +03:00			`// @target: esnext,es2016`
			`// @noTypesAndSymbols: true`

			`// https://github.com/microsoft/TypeScript/issues/34952#issuecomment-552025027`
			`class C {`
			`// ? should be removed in emit`
			`method?() {}`
			`}`