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import { isFunction, isStringValue } from '../base';
// import { isClass, isES3Function } from '../function';
// import { isConstructable } from '../function/utility';
// import { getOwnPropertyDescriptor } from '../utility';
// ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
/** @typedef {import('../function/typedef.js').ES3Function} ES3Function */
/** @typedef {import('../function/typedef.js').ClassConstructor<typeof Function>} ClassConstructor */
// ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
/**
* Does approve whether the passed value matches the default data-structure of a non-enumerable
* property-descriptor which is ...
* `{ value: 'string-value', enumerable: false, writable: false, configurable: true }`
* @internal
* @param {any} value
* @returns {boolean}
* Whether the passed value matches the default data-structure of a non-enumerable property-descriptor.
* @category Type Identity Helper
*/
export function doesMatchNonEnumerableDescriptorDefault(value) {
const { value: key, enumerable, writable, configurable } = value || {};
return isStringValue(key) && enumerable === false && writable === false && configurable === true;
}
/**
* Does approve whether the passed value matches the stable
* (redefined) form of a non-enumerable property-descriptor.
* @internal
* @param {any} value
* @returns {boolean}
* Whether the passed value matches the stable (redefined)
* form of a non-enumerable property-descriptor.
* @category Type Identity Helper
*/
export function doesMatchStableNonEnumerableDescriptor(value) {
const { get: getKey, value: key, enumerable, writable, configurable } = value || {};
return (
((isFunction(getKey) && isStringValue(getKey())) || isStringValue(key)) &&
enumerable === false &&
writable !== true &&
configurable === false
);
}
// // ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
//
// /**
// * @param {ClassConstructor | ES3Function} constructor
// * @returns {boolean}
// * @category Type Identity Helper
// */
// export function isStableTypeIdentityCustomConstructor(constructor) {
// // guard.
// if (!isClass(constructor) && !isES3Function(constructor)) {
// return false;
// }
// // const { enumerable, writable, configurable } = getOwnPropertyDescriptor(constructor, 'name');
// // const isStableNameDescriptor =
// // enumerable === false && writable !== true && configurable === false;
//
// const isStableNameDescriptor = doesMatchStableNonEnumerableDescriptor(
// getOwnPropertyDescriptor(constructor, 'name')
// );
// // proceed clause.
// if (isStableNameDescriptor) {
// const { enumerable, writable, configurable } = getOwnPropertyDescriptor(
// constructor.prototype,
// Symbol.toStringTag
// );
// // ... does feature both ...
// // - a stable constructor-name descriptor ... and ...
// // - a stable [Symbol.toStringTag] (custom tag-name) descriptor.
// return enumerable === false && writable !== true && configurable === false;
// }
// // early exit.
// return false;
// }
//
// // ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
//
// /**
// * @param {ClassConstructor | ES3Function} constructor
// * @param {string } taggedType
// * @returns {boolean}
// * @category Type Identity Helper
// */
// export function isStableTaggedCustomConstructor(constructor, taggedType) {
// // let isConfirmed = isConstructable(constructor) && (isClass(constructor) || isES3Function(constructor) )
//
// // guard.
// if (!isConstructable(constructor)) {
// throw new TypeError(
// 'The provided "constructor" parameter must be a constructable function type.'
// );
// }
// // guard.
// if (!(isClass(constructor) || isES3Function(constructor))) {
// throw new TypeError('A built-in constructor function is not a custom constructor.');
// }
// // guard.
// if (!isString(taggedType)) {
// throw new TypeError('The provided "taggedType" parameter must be a string type.');
// }
// const {
// get: getTaggedType,
// enumerable,
// writable,
// configurable
// } = getOwnPropertyDescriptor(constructor.prototype, Symbol.toStringTag) ?? {};
//
// return (
// isFunction(getTaggedType) &&
// getTaggedType() === String(taggedType) &&
// enumerable === false &&
// writable !== true &&
// configurable === true
// );
// }
//
// // ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
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