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

function foo() { }

var x = new foo(); // can be used as a constructor function

class C extends foo { } // error, cannot extend it though
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			`function foo() { }`

			`var x = new foo(); // can be used as a constructor function`

			`class C extends foo { } // error, cannot extend it though`