‫TypeScript 4.2 منتشر شد

Let’s take a look at what’s in store for TypeScript 4.2!

• Smarter Type Alias Preservation
• Leading/Middle Rest Elements in Tuple Types
• Stricter Checks For The in Operator
• --noPropertyAccessFromIndexSignature
• abstract Construct Signatures
• The --explainFiles Flag
• Improved Uncalled Function Checks in Logical Expressions
• Destructured Variables Can Be Explicitly Marked as Unused
• Relaxed Rules Between Optional Properties and String Index Signatures
• Declare Missing Helper Function
• Breaking Changes