@typespec/compiler/dist/src/typekit/utils.d.ts

TypeSpec compiler and standard library

import type { DecoratorApplication, DecoratorFunction, RekeyableMap } from "../core/types.js";
import { type Typekit } from "./define-kit.js";
/**
 * Creates a shallow copy of a rekeyable map.
 *
 * @experimental
 */
export declare function copyMap<T, U>(map: RekeyableMap<T, U>): RekeyableMap<T, U>;
/**
 * Decorator arguments can be either a single decorator (treated as a decorator with no arguments) or an array where the
 * first element is the decorator and the rest of the elements are the JavaScript values of the arguments.
 *
 * @experimental
 */
export type DecoratorArgs = DecoratorFunction | [DecoratorFunction, ...any[]];
/**
 * Utility function for converting a list of decorators and arguments into structure decorator applications that are
 * compatible with the TypeSpec type graph.
 *
 * Note: Not all JavaScript values can be converted faithfully to TypeSpec values. This function will attempt to convert
 * the value to a literal TypeSpec value if it is a primitive value, otherwise it will be left as a JavaScript value.
 * The `jsValue` property of the argument will always contain the original JavaScript value passed to the decorator.
 *
 * @param typekit - The Typekit instance to use for creating types and values.
 * @param decorators - The list of decorators and arguments to apply.
 *
 * @see {@link DecoratorArgs}
 *
 * @experimental
 */
export declare function decoratorApplication(typekit: Typekit, decorators?: DecoratorArgs[]): DecoratorApplication[];
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