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98 lines
4.6 KiB
98 lines
4.6 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var ERROR_MSGS = require("../constants/error_msgs");
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var literal_types_1 = require("../constants/literal_types");
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var exceptions_1 = require("../utils/exceptions");
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var serialization_1 = require("../utils/serialization");
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var instantiation_1 = require("./instantiation");
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var invokeFactory = function (factoryType, serviceIdentifier, fn) {
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try {
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return fn();
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}
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catch (error) {
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if (exceptions_1.isStackOverflowExeption(error)) {
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throw new Error(ERROR_MSGS.CIRCULAR_DEPENDENCY_IN_FACTORY(factoryType, serviceIdentifier.toString()));
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}
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else {
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throw error;
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}
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}
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};
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var _resolveRequest = function (requestScope) {
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return function (request) {
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request.parentContext.setCurrentRequest(request);
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var bindings = request.bindings;
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var childRequests = request.childRequests;
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var targetIsAnArray = request.target && request.target.isArray();
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var targetParentIsNotAnArray = !request.parentRequest ||
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!request.parentRequest.target ||
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!request.target ||
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!request.parentRequest.target.matchesArray(request.target.serviceIdentifier);
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if (targetIsAnArray && targetParentIsNotAnArray) {
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return childRequests.map(function (childRequest) {
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var _f = _resolveRequest(requestScope);
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return _f(childRequest);
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});
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}
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else {
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var result = null;
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if (request.target.isOptional() && bindings.length === 0) {
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return undefined;
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}
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var binding_1 = bindings[0];
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var isSingleton = binding_1.scope === literal_types_1.BindingScopeEnum.Singleton;
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var isRequestSingleton = binding_1.scope === literal_types_1.BindingScopeEnum.Request;
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if (isSingleton && binding_1.activated) {
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return binding_1.cache;
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}
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if (isRequestSingleton &&
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requestScope !== null &&
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requestScope.has(binding_1.id)) {
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return requestScope.get(binding_1.id);
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}
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if (binding_1.type === literal_types_1.BindingTypeEnum.ConstantValue) {
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result = binding_1.cache;
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}
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else if (binding_1.type === literal_types_1.BindingTypeEnum.Function) {
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result = binding_1.cache;
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}
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else if (binding_1.type === literal_types_1.BindingTypeEnum.Constructor) {
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result = binding_1.implementationType;
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}
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else if (binding_1.type === literal_types_1.BindingTypeEnum.DynamicValue && binding_1.dynamicValue !== null) {
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result = invokeFactory("toDynamicValue", binding_1.serviceIdentifier, function () { return binding_1.dynamicValue(request.parentContext); });
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}
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else if (binding_1.type === literal_types_1.BindingTypeEnum.Factory && binding_1.factory !== null) {
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result = invokeFactory("toFactory", binding_1.serviceIdentifier, function () { return binding_1.factory(request.parentContext); });
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}
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else if (binding_1.type === literal_types_1.BindingTypeEnum.Provider && binding_1.provider !== null) {
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result = invokeFactory("toProvider", binding_1.serviceIdentifier, function () { return binding_1.provider(request.parentContext); });
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}
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else if (binding_1.type === literal_types_1.BindingTypeEnum.Instance && binding_1.implementationType !== null) {
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result = instantiation_1.resolveInstance(binding_1.implementationType, childRequests, _resolveRequest(requestScope));
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}
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else {
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var serviceIdentifier = serialization_1.getServiceIdentifierAsString(request.serviceIdentifier);
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throw new Error(ERROR_MSGS.INVALID_BINDING_TYPE + " " + serviceIdentifier);
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}
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if (typeof binding_1.onActivation === "function") {
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result = binding_1.onActivation(request.parentContext, result);
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}
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if (isSingleton) {
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binding_1.cache = result;
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binding_1.activated = true;
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}
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if (isRequestSingleton &&
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requestScope !== null &&
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!requestScope.has(binding_1.id)) {
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requestScope.set(binding_1.id, result);
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}
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return result;
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}
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};
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};
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function resolve(context) {
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var _f = _resolveRequest(context.plan.rootRequest.requestScope);
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return _f(context.plan.rootRequest);
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}
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exports.resolve = resolve;
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