tsioc/lib/core/factories/ClassDecoratorFactory.js

tsioc is AOP, Ioc container, via typescript decorator

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
require("reflect-metadata");
var DecoratorFactory_1 = require("./DecoratorFactory");
var DecoratorType_1 = require("./DecoratorType");
var Registration_1 = require("../../Registration");
var index_1 = require("../../utils/index");
/**
 * create class decorator
 *
 * @export
 * @template T metadata type.
 * @param {string} name decorator name.
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns {*}
 */
function createClassDecorator(name, adapter, metadataExtends) {
    var classAdapter = (function (args) {
        var metadata;
        if (adapter) {
            adapter(args);
        }
        args.next({
            isMetadata: function (arg) { return index_1.isClassMetadata(arg); },
            match: function (arg) { return arg && (index_1.isSymbol(arg) || index_1.isString(arg) || (index_1.isObject(arg) && arg instanceof Registration_1.Registration)); },
            setMetadata: function (metadata, arg) {
                metadata.provide = arg;
            }
        });
        args.next({
            match: function (arg) { return index_1.isString(arg); },
            setMetadata: function (metadata, arg) {
                metadata.alias = arg;
            }
        });
        args.next({
            match: function (arg) { return index_1.isBoolean(arg); },
            setMetadata: function (metadata, arg) {
                metadata.singleton = arg;
            }
        });
        args.next({
            match: function (arg) { return index_1.isNumber(arg); },
            setMetadata: function (metadata, arg) {
                metadata.expires = arg;
            }
        });
    });
    var decorator = DecoratorFactory_1.createDecorator(name, classAdapter, metadataExtends);
    decorator.decoratorType = DecoratorType_1.DecoratorType.Class;
    return decorator;
}
exports.createClassDecorator = createClassDecorator;

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