inversify
Version:
A powerful and lightweight inversion of control container for JavaScript and Node.js apps powered by TypeScript.
228 lines (227 loc) • 10.8 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolve = void 0;
var ERROR_MSGS = __importStar(require("../constants/error_msgs"));
var literal_types_1 = require("../constants/literal_types");
var planner_1 = require("../planning/planner");
var scope_1 = require("../scope/scope");
var async_1 = require("../utils/async");
var binding_utils_1 = require("../utils/binding_utils");
var exceptions_1 = require("../utils/exceptions");
var instantiation_1 = require("./instantiation");
var _resolveRequest = function (requestScope) {
return function (request) {
request.parentContext.setCurrentRequest(request);
var bindings = request.bindings;
var childRequests = request.childRequests;
var targetIsAnArray = request.target && request.target.isArray();
var targetParentIsNotAnArray = !request.parentRequest ||
!request.parentRequest.target ||
!request.target ||
!request.parentRequest.target.matchesArray(request.target.serviceIdentifier);
if (targetIsAnArray && targetParentIsNotAnArray) {
return childRequests.map(function (childRequest) {
var _f = _resolveRequest(requestScope);
return _f(childRequest);
});
}
else {
if (request.target.isOptional() && bindings.length === 0) {
return undefined;
}
var binding = bindings[0];
return _resolveBinding(requestScope, request, binding);
}
};
};
var _resolveFactoryFromBinding = function (binding, context) {
var factoryDetails = (0, binding_utils_1.getFactoryDetails)(binding);
return (0, exceptions_1.tryAndThrowErrorIfStackOverflow)(function () { return factoryDetails.factory.bind(binding)(context); }, function () { return new Error(ERROR_MSGS.CIRCULAR_DEPENDENCY_IN_FACTORY(factoryDetails.factoryType, context.currentRequest.serviceIdentifier.toString())); });
};
var _getResolvedFromBinding = function (requestScope, request, binding) {
var result;
var childRequests = request.childRequests;
(0, binding_utils_1.ensureFullyBound)(binding);
switch (binding.type) {
case literal_types_1.BindingTypeEnum.ConstantValue:
case literal_types_1.BindingTypeEnum.Function:
result = binding.cache;
break;
case literal_types_1.BindingTypeEnum.Constructor:
result = binding.implementationType;
break;
case literal_types_1.BindingTypeEnum.Instance:
result = (0, instantiation_1.resolveInstance)(binding, binding.implementationType, childRequests, _resolveRequest(requestScope));
break;
default:
result = _resolveFactoryFromBinding(binding, request.parentContext);
}
return result;
};
var _resolveInScope = function (requestScope, binding, resolveFromBinding) {
var result = (0, scope_1.tryGetFromScope)(requestScope, binding);
if (result !== null) {
return result;
}
result = resolveFromBinding();
(0, scope_1.saveToScope)(requestScope, binding, result);
return result;
};
var _resolveBinding = function (requestScope, request, binding) {
return _resolveInScope(requestScope, binding, function () {
var result = _getResolvedFromBinding(requestScope, request, binding);
if ((0, async_1.isPromise)(result)) {
result = result.then(function (resolved) { return _onActivation(request, binding, resolved); });
}
else {
result = _onActivation(request, binding, result);
}
return result;
});
};
function _onActivation(request, binding, resolved) {
var result = _bindingActivation(request.parentContext, binding, resolved);
var containersIterator = _getContainersIterator(request.parentContext.container);
var container;
var containersIteratorResult = containersIterator.next();
do {
container = containersIteratorResult.value;
var context_1 = request.parentContext;
var serviceIdentifier = request.serviceIdentifier;
var activationsIterator = _getContainerActivationsForService(container, serviceIdentifier);
if ((0, async_1.isPromise)(result)) {
result = _activateContainerAsync(activationsIterator, context_1, result);
}
else {
result = _activateContainer(activationsIterator, context_1, result);
}
containersIteratorResult = containersIterator.next();
} while (containersIteratorResult.done !== true && !(0, planner_1.getBindingDictionary)(container).hasKey(request.serviceIdentifier));
return result;
}
var _bindingActivation = function (context, binding, previousResult) {
var result;
if (typeof binding.onActivation === 'function') {
result = binding.onActivation(context, previousResult);
}
else {
result = previousResult;
}
return result;
};
var _activateContainer = function (activationsIterator, context, result) {
var activation = activationsIterator.next();
while (!activation.done) {
result = activation.value(context, result);
if ((0, async_1.isPromise)(result)) {
return _activateContainerAsync(activationsIterator, context, result);
}
activation = activationsIterator.next();
}
return result;
};
var _activateContainerAsync = function (activationsIterator, context, resultPromise) { return __awaiter(void 0, void 0, void 0, function () {
var result, activation;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, resultPromise];
case 1:
result = _a.sent();
activation = activationsIterator.next();
_a.label = 2;
case 2:
if (!!activation.done) return [3, 4];
return [4, activation.value(context, result)];
case 3:
result = _a.sent();
activation = activationsIterator.next();
return [3, 2];
case 4: return [2, result];
}
});
}); };
var _getContainerActivationsForService = function (container, serviceIdentifier) {
var activations = container._activations;
return activations.hasKey(serviceIdentifier) ? activations.get(serviceIdentifier).values() : [].values();
};
var _getContainersIterator = function (container) {
var containersStack = [container];
var parent = container.parent;
while (parent !== null) {
containersStack.push(parent);
parent = parent.parent;
}
var getNextContainer = function () {
var nextContainer = containersStack.pop();
if (nextContainer !== undefined) {
return { done: false, value: nextContainer };
}
else {
return { done: true, value: undefined };
}
};
var containersIterator = {
next: getNextContainer,
};
return containersIterator;
};
function resolve(context) {
var _f = _resolveRequest(context.plan.rootRequest.requestScope);
return _f(context.plan.rootRequest);
}
exports.resolve = resolve;