object-shape-tester/dist/define-shape/custom-specifier.js

Test object properties and value types.

import { check } from '@augment-vir/assert';
import { isShapeSpecifierKey } from './shape-keys.js';
/**
 * A key used to identify custom specifier instances.
 *
 * @category Internal
 */
export const customSpecifierKey = '__vir__custom__specifier__key__do__not__use__in__actual__objects';
/**
 * Checks if the given input is a custom specifier.
 *
 * @category Internal
 */
export function isCustomSpecifier(input) {
    return check.hasKey(input, customSpecifierKey);
}
/**
 * Use this to define a custom shape.
 *
 * @category Shape Part
 */
export function customShape({ customName, defaultValue, checker, }) {
    return {
        customName,
        checker: checker,
        defaultValue,
        [customSpecifierKey]: true,
        [isShapeSpecifierKey]: true,
    };
}