TypeScript 3.8 adds type-only imports and exports

TypeScript three.eight, a new version of Microsoft’s typed superset of JavaScript, is now available as a creation release. The latest TypeScript enhance emphasizes sort-only imports and exports and ECMAScript standards compliance. The release provides a new syntax for sort-only imports and exports, with the intent of providing buyers much more wonderful-grained […]

TypeScript three.eight, a new version of Microsoft’s typed superset of JavaScript, is now available as a creation release. The latest TypeScript enhance emphasizes sort-only imports and exports and ECMAScript standards compliance.

The release provides a new syntax for sort-only imports and exports, with the intent of providing buyers much more wonderful-grained command over import and elision. The import sort syntax only imports declarations to be applied for sort annotations and declarations and usually receives completely erased. The export sort syntax only supplies an export to be applied for sort contexts and is erased from TypeScript output.

TypeScript has applied JavaScript’s import syntax to enable reference forms. While practical, the capacity only labored simply because of the import elision element, which omits TypeScript sort imports when TypeScript outputs JavaScript files. Having said that, import elision has been both insufficient and problematic.

In conjunction with import sort, TypeScript three.eight also provides a compiler flag to command what comes about with imports that will not be applied at runtime: importsNotUsedAsValues.

Relating to the ECMAScript conventional for JavaScript, TypeScript three.eight provides assistance for ECMAScript private fields, which is component of a course fields declaration proposal for JavaScript. Public and private fields will be built-in into solitary, orthogonal entire, in accordance to this proposal.

Other improvements promised in TypeScript three.eight consist of:

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