@visactor/vrender-core
Version:
## Description
121 lines (99 loc) • 6.21 kB
JavaScript
import { BindingCount } from "../bindings/binding_count";
import * as ERROR_MSGS from "../constants/error_msgs";
import { BindingTypeEnum, TargetTypeEnum } from "../constants/literal_types";
import * as METADATA_KEY from "../constants/metadata_keys";
import { getServiceIdentifierAsString, listMetadataForTarget, listRegisteredBindingsForServiceIdentifier } from "../utils/serialization";
import { Context } from "./context";
import { Metadata } from "./metadata";
import { Plan } from "./plan";
import { getBaseClassDependencyCount, getDependencies, getFunctionName } from "./reflection_utils";
import { Request } from "./request";
import { Target } from "./target";
function getBindingDictionary(cntnr) {
return cntnr._bindingDictionary;
}
function _createTarget(isMultiInject, targetType, serviceIdentifier, name, key, value) {
const metadataKey = isMultiInject ? METADATA_KEY.MULTI_INJECT_TAG : METADATA_KEY.INJECT_TAG, injectMetadata = new Metadata(metadataKey, serviceIdentifier), target = new Target(targetType, name, serviceIdentifier, injectMetadata);
if (void 0 !== key) {
const tagMetadata = new Metadata(key, value);
target.metadata.push(tagMetadata);
}
return target;
}
function _getActiveBindings(metadataReader, avoidConstraints, context, parentRequest, target) {
let bindings = getBindings(context.container, target.serviceIdentifier), activeBindings = [];
return bindings.length === BindingCount.NoBindingsAvailable && context.container.options.autoBindInjectable && "function" == typeof target.serviceIdentifier && metadataReader.getConstructorMetadata(target.serviceIdentifier).compilerGeneratedMetadata && (context.container.bind(target.serviceIdentifier).toSelf(),
bindings = getBindings(context.container, target.serviceIdentifier)), activeBindings = avoidConstraints ? bindings : bindings.filter((binding => {
const request = new Request(binding.serviceIdentifier, context, parentRequest, binding, target);
return binding.constraint(request);
})), _validateActiveBindingCount(target.serviceIdentifier, activeBindings, target, context.container),
activeBindings;
}
function _validateActiveBindingCount(serviceIdentifier, bindings, target, container) {
switch (bindings.length) {
case BindingCount.NoBindingsAvailable:
if (target.isOptional()) return bindings;
const serviceIdentifierString = getServiceIdentifierAsString(serviceIdentifier);
let msg = ERROR_MSGS.NOT_REGISTERED;
throw msg += listMetadataForTarget(serviceIdentifierString, target), msg += listRegisteredBindingsForServiceIdentifier(container, serviceIdentifierString, getBindings),
new Error(msg);
case BindingCount.OnlyOneBindingAvailable:
return bindings;
case BindingCount.MultipleBindingsAvailable:
default:
if (target.isArray()) return bindings;
{
const serviceIdentifierString = getServiceIdentifierAsString(serviceIdentifier);
let msg = `${ERROR_MSGS.AMBIGUOUS_MATCH} ${serviceIdentifierString}`;
throw msg += listRegisteredBindingsForServiceIdentifier(container, serviceIdentifierString, getBindings),
new Error(msg);
}
}
}
function _createSubRequests(metadataReader, avoidConstraints, serviceIdentifier, context, parentRequest, target) {
let activeBindings, childRequest;
if (null === parentRequest) {
activeBindings = _getActiveBindings(metadataReader, avoidConstraints, context, null, target),
childRequest = new Request(serviceIdentifier, context, null, activeBindings, target);
const thePlan = new Plan(context, childRequest);
context.addPlan(thePlan);
} else activeBindings = _getActiveBindings(metadataReader, avoidConstraints, context, parentRequest, target),
childRequest = parentRequest.addChildRequest(target.serviceIdentifier, activeBindings, target);
activeBindings.forEach((binding => {
let subChildRequest = null;
if (target.isArray()) subChildRequest = childRequest.addChildRequest(binding.serviceIdentifier, binding, target); else {
if (binding.cache) return;
subChildRequest = childRequest;
}
if (binding.type === BindingTypeEnum.Instance && null !== binding.implementationType) {
const dependencies = getDependencies(metadataReader, binding.implementationType);
if (!context.container.options.skipBaseClassChecks) {
const baseClassDependencyCount = getBaseClassDependencyCount(metadataReader, binding.implementationType);
if (dependencies.length < baseClassDependencyCount) {
const error = ERROR_MSGS.ARGUMENTS_LENGTH_MISMATCH(getFunctionName(binding.implementationType));
throw new Error(error);
}
}
dependencies.forEach((dependency => {
_createSubRequests(metadataReader, !1, dependency.serviceIdentifier, context, subChildRequest, dependency);
}));
}
}));
}
function getBindings(container, serviceIdentifier) {
let bindings = [];
const bindingDictionary = getBindingDictionary(container);
return bindingDictionary.hasKey(serviceIdentifier) ? bindings = bindingDictionary.get(serviceIdentifier) : null !== container.parent && (bindings = getBindings(container.parent, serviceIdentifier)),
bindings;
}
function plan(metadataReader, container, isMultiInject, targetType, serviceIdentifier, key, value, avoidConstraints = !1) {
const context = new Context(container);
return _createSubRequests(metadataReader, avoidConstraints, serviceIdentifier, context, null, _createTarget(isMultiInject, targetType, serviceIdentifier, "", key, value)),
context;
}
function createMockRequest(container, serviceIdentifier, key, value) {
const target = new Target(TargetTypeEnum.Variable, "", serviceIdentifier, new Metadata(key, value)), context = new Context(container);
return new Request(serviceIdentifier, context, null, [], target);
}
export { plan, createMockRequest, getBindingDictionary };
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