cds-routing-handlers
Version:
Package to route and implement CDS handlers via a class based approach in Typescript.
61 lines • 1.93 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getFromContainer = exports.useContainer = void 0;
/**
* Container to be used by this library for inversion control. If container was not implicitly set then by default
* container simply creates a new instance of the given class.
*/
var defaultContainer = new (/** @class */ (function () {
function class_1() {
this.instances = [];
}
class_1.prototype.get = function (someClass) {
var instance = this.instances.find(function (instance) { return instance.type === someClass; });
if (!instance) {
instance = { type: someClass, object: new someClass() };
this.instances.push(instance);
}
return instance.object;
};
return class_1;
}()))();
var userContainer;
var userContainerOptions;
/**
* Sets container to be used by this library.
*
* @export
* @param {{ get(someClass: any): any }} iocContainer
* @param {IUseContainerOptions} [options]
*/
function useContainer(iocContainer, options) {
userContainer = iocContainer;
userContainerOptions = options;
}
exports.useContainer = useContainer;
/**
* Gets the IOC container used by this library.
*
* @export
* @template T
* @param {({ new (...args: any[]): T } | Function)} someClass
* @returns {T}
*/
function getFromContainer(someClass) {
if (userContainer) {
try {
var instance = userContainer.get(someClass);
if (instance)
return instance;
if (!userContainerOptions || !userContainerOptions.fallback)
return instance;
}
catch (error) {
if (!userContainerOptions || !userContainerOptions.fallbackOnErrors)
throw error;
}
}
return defaultContainer.get(someClass);
}
exports.getFromContainer = getFromContainer;
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