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/**
* 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.
*/
const defaultContainer = new (class {
constructor() {
this.instances = [];
}
get(someClass) {
let instance = this.instances.find(instance => instance.type === someClass);
if (!instance) {
instance = { type: someClass, object: new someClass() };
this.instances.push(instance);
}
return instance.object;
}
})();
let userContainer;
let userContainerOptions;
/**
* Sets container to be used by this library.
*/
export function useContainer(iocContainer, options) {
userContainer = iocContainer;
userContainerOptions = options;
}
/**
* Gets the IOC container used by this library.
*/
export function getFromContainer(someClass) {
if (userContainer) {
try {
const 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);
}
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