7c50bccec2
* migrate nullish coalescing commit * add more test case * add branch type check test * add more tests * fix nullish precedence * update public api * add rescan question question token to fix regression * update public api baseline * Added tests that emit for nullish coalescing operator conforming with grammar restrictions when assertions are used. * Fixed emit to hoist temporary variables (they previously went undeclared). Added tests to ensure calls and property accesses are only called once. * use not equal to null * rename factory * add grammar check * fix more cases * Fix handling of nullish coalescing oprator in expando objects. * Fixed classifier to support ?? operator. * update baseline * accept baseline * fix review * update emitter and more testcase * update control flow * make linter happy * update libs * avoid unnecessary assert * fix typooo * Fixes for control-flow analysis
12 lines
329 B
TypeScript
12 lines
329 B
TypeScript
// @strict: true
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declare const a1: 'literal' | undefined | null
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declare const a2: '' | undefined | null
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declare const a3: 1 | undefined | null
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declare const a4: 0 | undefined | null
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declare const a5: true | undefined | null
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declare const a6: false | undefined | null
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const aa1 = a1 ?? a2 ?? a3 ?? a4 ?? a5 ?? a6 ?? 'whatever'
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