SB-6.1-PRE

node_modules/inversify/amd/syntax/constraint_helpers.js

@@ -0,0 +1,40 @@
+define(["require", "exports", "../constants/metadata_keys", "../planning/metadata"], function (require, exports, METADATA_KEY, metadata_1) {
+    "use strict";
+    Object.defineProperty(exports, "__esModule", { value: true });
+    var traverseAncerstors = function (request, constraint) {
+        var parent = request.parentRequest;
+        if (parent !== null) {
+            return constraint(parent) ? true : traverseAncerstors(parent, constraint);
+        }
+        else {
+            return false;
+        }
+    };
+    exports.traverseAncerstors = traverseAncerstors;
+    var taggedConstraint = function (key) { return function (value) {
+        var constraint = function (request) {
+            return request !== null && request.target !== null && request.target.matchesTag(key)(value);
+        };
+        constraint.metaData = new metadata_1.Metadata(key, value);
+        return constraint;
+    }; };
+    exports.taggedConstraint = taggedConstraint;
+    var namedConstraint = taggedConstraint(METADATA_KEY.NAMED_TAG);
+    exports.namedConstraint = namedConstraint;
+    var typeConstraint = function (type) { return function (request) {
+        var binding = null;
+        if (request !== null) {
+            binding = request.bindings[0];
+            if (typeof type === "string") {
+                var serviceIdentifier = binding.serviceIdentifier;
+                return serviceIdentifier === type;
+            }
+            else {
+                var constructor = request.bindings[0].implementationType;
+                return type === constructor;
+            }
+        }
+        return false;
+    }; };
+    exports.typeConstraint = typeConstraint;
+});