type-graphql
Version:
Create GraphQL schema and resolvers with TypeScript, using classes and decorators!
38 lines (37 loc) • 1.33 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.IOCContainer = void 0;
class DefaultContainer {
constructor() {
this.instances = [];
}
get(someClass) {
let instance = this.instances.find(it => it.type === someClass);
if (!instance) {
instance = { type: someClass, object: new someClass() };
this.instances.push(instance);
}
return instance.object;
}
}
class IOCContainer {
constructor(iocContainerOrContainerGetter) {
this.defaultContainer = new DefaultContainer();
if (iocContainerOrContainerGetter &&
"get" in iocContainerOrContainerGetter &&
typeof iocContainerOrContainerGetter.get === "function") {
this.container = iocContainerOrContainerGetter;
}
else if (typeof iocContainerOrContainerGetter === "function") {
this.containerGetter = iocContainerOrContainerGetter;
}
}
getInstance(someClass, resolverData) {
const container = this.containerGetter ? this.containerGetter(resolverData) : this.container;
if (!container) {
return this.defaultContainer.get(someClass);
}
return container.get(someClass, resolverData);
}
}
exports.IOCContainer = IOCContainer;