Commit

1 files changed, 124 insertions, 0 deletions

diff --git a/src/node_modules/inversify/lib/planning/reflection_utils.js b/src/node_modules/inversify/lib/planning/reflection_utils.js
new file mode 100644
index 0000000..8c71f3c
--- /dev/null
+++ b/src/node_modules/inversify/lib/planning/reflection_utils.js
@@ -0,0 +1,124 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var inject_1 = require("../annotation/inject");
+var ERROR_MSGS = require("../constants/error_msgs");
+var literal_types_1 = require("../constants/literal_types");
+var METADATA_KEY = require("../constants/metadata_keys");
+var serialization_1 = require("../utils/serialization");
+exports.getFunctionName = serialization_1.getFunctionName;
+var target_1 = require("./target");
+function getDependencies(metadataReader, func) {
+    var constructorName = serialization_1.getFunctionName(func);
+    var targets = getTargets(metadataReader, constructorName, func, false);
+    return targets;
+}
+exports.getDependencies = getDependencies;
+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 inject_1.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_1.Target(literal_types_1.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_1.Target(literal_types_1.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 = serialization_1.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;
+    }
+}
+exports.getBaseClassDependencyCount = getBaseClassDependencyCount;
+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]
+    };
+}