Commit

1 files changed, 40 insertions, 0 deletions

diff --git a/src/node_modules/inversify/lib/syntax/constraint_helpers.js b/src/node_modules/inversify/lib/syntax/constraint_helpers.js
new file mode 100644
index 0000000..8b04e0f
--- /dev/null
+++ b/src/node_modules/inversify/lib/syntax/constraint_helpers.js
@@ -0,0 +1,40 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var METADATA_KEY = require("../constants/metadata_keys");
+var metadata_1 = require("../planning/metadata");
+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;