SB-6.1-PRE

2021-02-02 13:50:53 +00:00
1 parent 690169a409
commit 358a25f522
@@ -0,0 +1,15 @@
+import { id } from "../utils/id";
+var Context = (function () {
+    function Context(container) {
+        this.id = id();
+        this.container = container;
+    }
+    Context.prototype.addPlan = function (plan) {
+        this.plan = plan;
+    };
+    Context.prototype.setCurrentRequest = function (currentRequest) {
+        this.currentRequest = currentRequest;
+    };
+    return Context;
+}());
+export { Context };
@@ -0,0 +1,17 @@
+import * as METADATA_KEY from "../constants/metadata_keys";
+var Metadata = (function () {
+    function Metadata(key, value) {
+        this.key = key;
+        this.value = value;
+    }
+    Metadata.prototype.toString = function () {
+        if (this.key === METADATA_KEY.NAMED_TAG) {
+            return "named: " + this.value.toString() + " ";
+        }
+        else {
+            return "tagged: { key:" + this.key.toString() + ", value: " + this.value + " }";
+        }
+    };
+    return Metadata;
+}());
+export { Metadata };
@@ -0,0 +1,19 @@
+import * as METADATA_KEY from "../constants/metadata_keys";
+var MetadataReader = (function () {
+    function MetadataReader() {
+    }
+    MetadataReader.prototype.getConstructorMetadata = function (constructorFunc) {
+        var compilerGeneratedMetadata = Reflect.getMetadata(METADATA_KEY.PARAM_TYPES, constructorFunc);
+        var userGeneratedMetadata = Reflect.getMetadata(METADATA_KEY.TAGGED, constructorFunc);
+        return {
+            compilerGeneratedMetadata: compilerGeneratedMetadata,
+            userGeneratedMetadata: userGeneratedMetadata || {}
+        };
+    };
+    MetadataReader.prototype.getPropertiesMetadata = function (constructorFunc) {
+        var userGeneratedMetadata = Reflect.getMetadata(METADATA_KEY.TAGGED_PROP, constructorFunc) || [];
+        return userGeneratedMetadata;
+    };
+    return MetadataReader;
+}());
+export { MetadataReader };
@@ -0,0 +1,8 @@
+var Plan = (function () {
+    function Plan(parentContext, rootRequest) {
+        this.parentContext = parentContext;
+        this.rootRequest = rootRequest;
+    }
+    return Plan;
+}());
+export { Plan };
@@ -0,0 +1,151 @@
+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 { isStackOverflowExeption } from "../utils/exceptions";
+import { circularDependencyToException, 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) {
+    var metadataKey = isMultiInject ? METADATA_KEY.MULTI_INJECT_TAG : METADATA_KEY.INJECT_TAG;
+    var injectMetadata = new Metadata(metadataKey, serviceIdentifier);
+    var target = new Target(targetType, name, serviceIdentifier, injectMetadata);
+    if (key !== undefined) {
+        var tagMetadata = new 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 === 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(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 BindingCount.NoBindingsAvailable:
+            if (target.isOptional()) {
+                return bindings;
+            }
+            else {
+                var serviceIdentifierString = getServiceIdentifierAsString(serviceIdentifier);
+                var msg = ERROR_MSGS.NOT_REGISTERED;
+                msg += listMetadataForTarget(serviceIdentifierString, target);
+                msg += listRegisteredBindingsForServiceIdentifier(container, serviceIdentifierString, getBindings);
+                throw new Error(msg);
+            }
+        case BindingCount.OnlyOneBindingAvailable:
+            if (!target.isArray()) {
+                return bindings;
+            }
+        case BindingCount.MultipleBindingsAvailable:
+        default:
+            if (!target.isArray()) {
+                var serviceIdentifierString = getServiceIdentifierAsString(serviceIdentifier);
+                var msg = ERROR_MSGS.AMBIGUOUS_MATCH + " " + serviceIdentifierString;
+                msg += 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(serviceIdentifier, context, null, activeBindings, target);
+        var 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(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 === BindingTypeEnum.Instance && binding.implementationType !== null) {
+            var dependencies = getDependencies(metadataReader, binding.implementationType);
+            if (!context.container.options.skipBaseClassChecks) {
+                var baseClassDependencyCount = getBaseClassDependencyCount(metadataReader, binding.implementationType);
+                if (dependencies.length < baseClassDependencyCount) {
+                    var error = ERROR_MSGS.ARGUMENTS_LENGTH_MISMATCH(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(container);
+    var target = _createTarget(isMultiInject, targetType, serviceIdentifier, "", key, value);
+    try {
+        _createSubRequests(metadataReader, avoidConstraints, serviceIdentifier, context, null, target);
+        return context;
+    }
+    catch (error) {
+        if (isStackOverflowExeption(error)) {
+            if (context.plan) {
+                circularDependencyToException(context.plan.rootRequest);
+            }
+        }
+        throw error;
+    }
+}
+function createMockRequest(container, serviceIdentifier, key, value) {
+    var target = new Target(TargetTypeEnum.Variable, "", serviceIdentifier, new Metadata(key, value));
+    var context = new Context(container);
+    var request = new Request(serviceIdentifier, context, null, [], target);
+    return request;
+}
+export { plan, createMockRequest, getBindingDictionary };
@@ -0,0 +1,25 @@
+var QueryableString = (function () {
+    function QueryableString(str) {
+        this.str = str;
+    }
+    QueryableString.prototype.startsWith = function (searchString) {
+        return this.str.indexOf(searchString) === 0;
+    };
+    QueryableString.prototype.endsWith = function (searchString) {
+        var reverseString = "";
+        var reverseSearchString = searchString.split("").reverse().join("");
+        reverseString = this.str.split("").reverse().join("");
+        return this.startsWith.call({ str: reverseString }, reverseSearchString);
+    };
+    QueryableString.prototype.contains = function (searchString) {
+        return (this.str.indexOf(searchString) !== -1);
+    };
+    QueryableString.prototype.equals = function (compareString) {
+        return this.str === compareString;
+    };
+    QueryableString.prototype.value = function () {
+        return this.str;
+    };
+    return QueryableString;
+}());
+export { QueryableString };
@@ -0,0 +1,120 @@
+import { LazyServiceIdentifer } from "../annotation/inject";
+import * as ERROR_MSGS from "../constants/error_msgs";
+import { TargetTypeEnum } from "../constants/literal_types";
+import * as METADATA_KEY from "../constants/metadata_keys";
+import { getFunctionName } from "../utils/serialization";
+import { Target } from "./target";
+function getDependencies(metadataReader, func) {
+    var constructorName = getFunctionName(func);
+    var targets = getTargets(metadataReader, constructorName, func, false);
+    return targets;
+}
+function getTargets(metadataReader, constructorName, func, isBaseClass) {
+    var metadata = metadataReader.getConstructorMetadata(func);
+    var serviceIdentifiers = metadata.compilerGeneratedMetadata;
+    if (serviceIdentifiers === undefined) {
+        var msg = ERROR_MSGS.MISSING_INJECTABLE_ANNOTATION + " " + constructorName + ".";
+        throw new Error(msg);
+    }
+    var constructorArgsMetadata = metadata.userGeneratedMetadata;
+    var keys = Object.keys(constructorArgsMetadata);
+    var hasUserDeclaredUnknownInjections = (func.length === 0 && keys.length > 0);
+    var iterations = (hasUserDeclaredUnknownInjections) ? keys.length : func.length;
+    var constructorTargets = getConstructorArgsAsTargets(isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata, iterations);
+    var propertyTargets = getClassPropsAsTargets(metadataReader, func);
+    var targets = constructorTargets.concat(propertyTargets);
+    return targets;
+}
+function getConstructorArgsAsTarget(index, isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata) {
+    var targetMetadata = constructorArgsMetadata[index.toString()] || [];
+    var metadata = formatTargetMetadata(targetMetadata);
+    var isManaged = metadata.unmanaged !== true;
+    var serviceIdentifier = serviceIdentifiers[index];
+    var injectIdentifier = (metadata.inject || metadata.multiInject);
+    serviceIdentifier = (injectIdentifier) ? (injectIdentifier) : serviceIdentifier;
+    if (serviceIdentifier instanceof LazyServiceIdentifer) {
+        serviceIdentifier = serviceIdentifier.unwrap();
+    }
+    if (isManaged) {
+        var isObject = serviceIdentifier === Object;
+        var isFunction = serviceIdentifier === Function;
+        var isUndefined = serviceIdentifier === undefined;
+        var isUnknownType = (isObject || isFunction || isUndefined);
+        if (!isBaseClass && isUnknownType) {
+            var msg = ERROR_MSGS.MISSING_INJECT_ANNOTATION + " argument " + index + " in class " + constructorName + ".";
+            throw new Error(msg);
+        }
+        var target = new Target(TargetTypeEnum.ConstructorArgument, metadata.targetName, serviceIdentifier);
+        target.metadata = targetMetadata;
+        return target;
+    }
+    return null;
+}
+function getConstructorArgsAsTargets(isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata, iterations) {
+    var targets = [];
+    for (var i = 0; i < iterations; i++) {
+        var index = i;
+        var target = getConstructorArgsAsTarget(index, isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata);
+        if (target !== null) {
+            targets.push(target);
+        }
+    }
+    return targets;
+}
+function getClassPropsAsTargets(metadataReader, constructorFunc) {
+    var classPropsMetadata = metadataReader.getPropertiesMetadata(constructorFunc);
+    var targets = [];
+    var keys = Object.keys(classPropsMetadata);
+    for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
+        var key = keys_1[_i];
+        var targetMetadata = classPropsMetadata[key];
+        var metadata = formatTargetMetadata(classPropsMetadata[key]);
+        var targetName = metadata.targetName || key;
+        var serviceIdentifier = (metadata.inject || metadata.multiInject);
+        var target = new Target(TargetTypeEnum.ClassProperty, targetName, serviceIdentifier);
+        target.metadata = targetMetadata;
+        targets.push(target);
+    }
+    var baseConstructor = Object.getPrototypeOf(constructorFunc.prototype).constructor;
+    if (baseConstructor !== Object) {
+        var baseTargets = getClassPropsAsTargets(metadataReader, baseConstructor);
+        targets = targets.concat(baseTargets);
+    }
+    return targets;
+}
+function getBaseClassDependencyCount(metadataReader, func) {
+    var baseConstructor = Object.getPrototypeOf(func.prototype).constructor;
+    if (baseConstructor !== Object) {
+        var baseConstructorName = getFunctionName(baseConstructor);
+        var targets = getTargets(metadataReader, baseConstructorName, baseConstructor, true);
+        var metadata = targets.map(function (t) {
+            return t.metadata.filter(function (m) {
+                return m.key === METADATA_KEY.UNMANAGED_TAG;
+            });
+        });
+        var unmanagedCount = [].concat.apply([], metadata).length;
+        var dependencyCount = targets.length - unmanagedCount;
+        if (dependencyCount > 0) {
+            return dependencyCount;
+        }
+        else {
+            return getBaseClassDependencyCount(metadataReader, baseConstructor);
+        }
+    }
+    else {
+        return 0;
+    }
+}
+function formatTargetMetadata(targetMetadata) {
+    var targetMetadataMap = {};
+    targetMetadata.forEach(function (m) {
+        targetMetadataMap[m.key.toString()] = m.value;
+    });
+    return {
+        inject: targetMetadataMap[METADATA_KEY.INJECT_TAG],
+        multiInject: targetMetadataMap[METADATA_KEY.MULTI_INJECT_TAG],
+        targetName: targetMetadataMap[METADATA_KEY.NAME_TAG],
+        unmanaged: targetMetadataMap[METADATA_KEY.UNMANAGED_TAG]
+    };
+}
+export { getDependencies, getBaseClassDependencyCount, getFunctionName };
@@ -0,0 +1,22 @@
+import { id } from "../utils/id";
+var Request = (function () {
+    function Request(serviceIdentifier, parentContext, parentRequest, bindings, target) {
+        this.id = id();
+        this.serviceIdentifier = serviceIdentifier;
+        this.parentContext = parentContext;
+        this.parentRequest = parentRequest;
+        this.target = target;
+        this.childRequests = [];
+        this.bindings = (Array.isArray(bindings) ? bindings : [bindings]);
+        this.requestScope = parentRequest === null
+            ? new Map()
+            : null;
+    }
+    Request.prototype.addChildRequest = function (serviceIdentifier, bindings, target) {
+        var child = new Request(serviceIdentifier, this.parentContext, this, bindings, target);
+        this.childRequests.push(child);
+        return child;
+    };
+    return Request;
+}());
+export { Request };
@@ -0,0 +1,88 @@
+import * as METADATA_KEY from "../constants/metadata_keys";
+import { id } from "../utils/id";
+import { Metadata } from "./metadata";
+import { QueryableString } from "./queryable_string";
+var Target = (function () {
+    function Target(type, name, serviceIdentifier, namedOrTagged) {
+        this.id = id();
+        this.type = type;
+        this.serviceIdentifier = serviceIdentifier;
+        this.name = new QueryableString(name || "");
+        this.metadata = new Array();
+        var metadataItem = null;
+        if (typeof namedOrTagged === "string") {
+            metadataItem = new Metadata(METADATA_KEY.NAMED_TAG, namedOrTagged);
+        }
+        else if (namedOrTagged instanceof Metadata) {
+            metadataItem = namedOrTagged;
+        }
+        if (metadataItem !== null) {
+            this.metadata.push(metadataItem);
+        }
+    }
+    Target.prototype.hasTag = function (key) {
+        for (var _i = 0, _a = this.metadata; _i < _a.length; _i++) {
+            var m = _a[_i];
+            if (m.key === key) {
+                return true;
+            }
+        }
+        return false;
+    };
+    Target.prototype.isArray = function () {
+        return this.hasTag(METADATA_KEY.MULTI_INJECT_TAG);
+    };
+    Target.prototype.matchesArray = function (name) {
+        return this.matchesTag(METADATA_KEY.MULTI_INJECT_TAG)(name);
+    };
+    Target.prototype.isNamed = function () {
+        return this.hasTag(METADATA_KEY.NAMED_TAG);
+    };
+    Target.prototype.isTagged = function () {
+        return this.metadata.some(function (m) {
+            return (m.key !== METADATA_KEY.INJECT_TAG) &&
+                (m.key !== METADATA_KEY.MULTI_INJECT_TAG) &&
+                (m.key !== METADATA_KEY.NAME_TAG) &&
+                (m.key !== METADATA_KEY.UNMANAGED_TAG) &&
+                (m.key !== METADATA_KEY.NAMED_TAG);
+        });
+    };
+    Target.prototype.isOptional = function () {
+        return this.matchesTag(METADATA_KEY.OPTIONAL_TAG)(true);
+    };
+    Target.prototype.getNamedTag = function () {
+        if (this.isNamed()) {
+            return this.metadata.filter(function (m) { return m.key === METADATA_KEY.NAMED_TAG; })[0];
+        }
+        return null;
+    };
+    Target.prototype.getCustomTags = function () {
+        if (this.isTagged()) {
+            return this.metadata.filter(function (m) {
+                return (m.key !== METADATA_KEY.INJECT_TAG) &&
+                    (m.key !== METADATA_KEY.MULTI_INJECT_TAG) &&
+                    (m.key !== METADATA_KEY.NAME_TAG) &&
+                    (m.key !== METADATA_KEY.UNMANAGED_TAG) &&
+                    (m.key !== METADATA_KEY.NAMED_TAG);
+            });
+        }
+        return null;
+    };
+    Target.prototype.matchesNamedTag = function (name) {
+        return this.matchesTag(METADATA_KEY.NAMED_TAG)(name);
+    };
+    Target.prototype.matchesTag = function (key) {
+        var _this = this;
+        return function (value) {
+            for (var _i = 0, _a = _this.metadata; _i < _a.length; _i++) {
+                var m = _a[_i];
+                if (m.key === key && m.value === value) {
+                    return true;
+                }
+            }
+            return false;
+        };
+    };
+    return Target;
+}());
+export { Target };