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: Developers can now enforce specific patterns, such as validating IPv4 addresses (e.g., $number.$number.$number.$number ) directly at the type level.
: New as clauses allow developers to transform property names when creating new object types. For example, you can take an existing interface and generate a new one with "changed" suffixes for event handling. TypeScript 4.1 beta brings template literal types
: If a union of types is used within the template, TypeScript generates every possible combination of those strings. : Developers can now enforce specific patterns, such
TypeScript 4.1 also introduced to support these new capabilities: Uppercase Lowercase Capitalize Uncapitalize such as validating IPv4 addresses (e.g.