swc/crates/swc_ecma_parser/tests/tsc/nullishCoalescingOperator4.ts

// @strict: true

declare const a1: 'literal' | undefined | null
const aa1 = a1 ?? a1.toLowerCase()
const aa2 = a1 || a1.toLocaleUpperCase()
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			`// @strict: true`

			`declare const a1: 'literal' \| undefined \| null`
			`const aa1 = a1 ?? a1.toLowerCase()`
			`const aa2 = a1 \|\| a1.toLocaleUpperCase()`