inversify/lib/planning/planner.js

"use strict";
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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getBindingDictionary = exports.createMockRequest = exports.plan = void 0;
var binding_count_1 = require("../bindings/binding_count");
var ERROR_MSGS = __importStar(require("../constants/error_msgs"));
var literal_types_1 = require("../constants/literal_types");
var METADATA_KEY = __importStar(require("../constants/metadata_keys"));
var exceptions_1 = require("../utils/exceptions");
var serialization_1 = require("../utils/serialization");
var context_1 = require("./context");
var metadata_1 = require("./metadata");
var plan_1 = require("./plan");
var reflection_utils_1 = require("./reflection_utils");
var request_1 = require("./request");
var target_1 = require("./target");
function getBindingDictionary(cntnr) {
    return cntnr._bindingDictionary;
}
exports.getBindingDictionary = getBindingDictionary;
function _createTarget(isMultiInject, targetType, serviceIdentifier, name, key, value) {
    var metadataKey = isMultiInject ? METADATA_KEY.MULTI_INJECT_TAG : METADATA_KEY.INJECT_TAG;
    var injectMetadata = new metadata_1.Metadata(metadataKey, serviceIdentifier);
    var target = new target_1.Target(targetType, name, serviceIdentifier, injectMetadata);
    if (key !== undefined) {
        var tagMetadata = new metadata_1.Metadata(key, value);
        target.metadata.push(tagMetadata);
    }
    return target;
}
function _getActiveBindings(metadataReader, avoidConstraints, context, parentRequest, target) {
    var bindings = getBindings(context.container, target.serviceIdentifier);
    var activeBindings = [];
    if (bindings.length === binding_count_1.BindingCount.NoBindingsAvailable &&
        context.container.options.autoBindInjectable &&
        typeof target.serviceIdentifier === 'function' &&
        metadataReader.getConstructorMetadata(target.serviceIdentifier).compilerGeneratedMetadata) {
        context.container.bind(target.serviceIdentifier).toSelf();
        bindings = getBindings(context.container, target.serviceIdentifier);
    }
    if (!avoidConstraints) {
        activeBindings = bindings.filter(function (binding) {
            var request = new request_1.Request(binding.serviceIdentifier, context, parentRequest, binding, target);
            return binding.constraint(request);
        });
    }
    else {
        activeBindings = bindings;
    }
    _validateActiveBindingCount(target.serviceIdentifier, activeBindings, target, context.container);
    return activeBindings;
}
function _validateActiveBindingCount(serviceIdentifier, bindings, target, container) {
    switch (bindings.length) {
        case binding_count_1.BindingCount.NoBindingsAvailable:
            if (target.isOptional()) {
                return bindings;
            }
            else {
                var serviceIdentifierString = (0, serialization_1.getServiceIdentifierAsString)(serviceIdentifier);
                var msg = ERROR_MSGS.NOT_REGISTERED;
                msg += (0, serialization_1.listMetadataForTarget)(serviceIdentifierString, target);
                msg += (0, serialization_1.listRegisteredBindingsForServiceIdentifier)(container, serviceIdentifierString, getBindings);
                throw new Error(msg);
            }
        case binding_count_1.BindingCount.OnlyOneBindingAvailable:
            return bindings;
        case binding_count_1.BindingCount.MultipleBindingsAvailable:
        default:
            if (!target.isArray()) {
                var serviceIdentifierString = (0, serialization_1.getServiceIdentifierAsString)(serviceIdentifier);
                var msg = ERROR_MSGS.AMBIGUOUS_MATCH + " " + serviceIdentifierString;
                msg += (0, serialization_1.listRegisteredBindingsForServiceIdentifier)(container, serviceIdentifierString, getBindings);
                throw new Error(msg);
            }
            else {
                return bindings;
            }
    }
}
function _createSubRequests(metadataReader, avoidConstraints, serviceIdentifier, context, parentRequest, target) {
    var activeBindings;
    var childRequest;
    if (parentRequest === null) {
        activeBindings = _getActiveBindings(metadataReader, avoidConstraints, context, null, target);
        childRequest = new request_1.Request(serviceIdentifier, context, null, activeBindings, target);
        var thePlan = new plan_1.Plan(context, childRequest);
        context.addPlan(thePlan);
    }
    else {
        activeBindings = _getActiveBindings(metadataReader, avoidConstraints, context, parentRequest, target);
        childRequest = parentRequest.addChildRequest(target.serviceIdentifier, activeBindings, target);
    }
    activeBindings.forEach(function (binding) {
        var subChildRequest = null;
        if (target.isArray()) {
            subChildRequest = childRequest.addChildRequest(binding.serviceIdentifier, binding, target);
        }
        else {
            if (binding.cache) {
                return;
            }
            subChildRequest = childRequest;
        }
        if (binding.type === literal_types_1.BindingTypeEnum.Instance && binding.implementationType !== null) {
            var dependencies = (0, reflection_utils_1.getDependencies)(metadataReader, binding.implementationType);
            if (!context.container.options.skipBaseClassChecks) {
                var baseClassDependencyCount = (0, reflection_utils_1.getBaseClassDependencyCount)(metadataReader, binding.implementationType);
                if (dependencies.length < baseClassDependencyCount) {
                    var error = ERROR_MSGS.ARGUMENTS_LENGTH_MISMATCH((0, reflection_utils_1.getFunctionName)(binding.implementationType));
                    throw new Error(error);
                }
            }
            dependencies.forEach(function (dependency) {
                _createSubRequests(metadataReader, false, dependency.serviceIdentifier, context, subChildRequest, dependency);
            });
        }
    });
}
function getBindings(container, serviceIdentifier) {
    var bindings = [];
    var bindingDictionary = getBindingDictionary(container);
    if (bindingDictionary.hasKey(serviceIdentifier)) {
        bindings = bindingDictionary.get(serviceIdentifier);
    }
    else if (container.parent !== null) {
        bindings = getBindings(container.parent, serviceIdentifier);
    }
    return bindings;
}
function plan(metadataReader, container, isMultiInject, targetType, serviceIdentifier, key, value, avoidConstraints) {
    if (avoidConstraints === void 0) { avoidConstraints = false; }
    var context = new context_1.Context(container);
    var target = _createTarget(isMultiInject, targetType, serviceIdentifier, '', key, value);
    try {
        _createSubRequests(metadataReader, avoidConstraints, serviceIdentifier, context, null, target);
        return context;
    }
    catch (error) {
        if ((0, exceptions_1.isStackOverflowExeption)(error)) {
            (0, serialization_1.circularDependencyToException)(context.plan.rootRequest);
        }
        throw error;
    }
}
exports.plan = plan;
function createMockRequest(container, serviceIdentifier, key, value) {
    var target = new target_1.Target(literal_types_1.TargetTypeEnum.Variable, '', serviceIdentifier, new metadata_1.Metadata(key, value));
    var context = new context_1.Context(container);
    var request = new request_1.Request(serviceIdentifier, context, null, [], target);
    return request;
}
exports.createMockRequest = createMockRequest;