1 files changed, 54 insertions, 0 deletions
diff --git a/addons/web/static/src/js/framework/registry.js b/addons/web/static/src/js/framework/registry.js
new file mode 100644
index 00000000000..c90614cf94a
--- /dev/null
+++ b/addons/web/static/src/js/framework/registry.js
@@ -0,0 +1,54 @@
+odoo.define('web.Registry', ['web.Class'], function (require) {
+"use strict";
+
+var Class = require('web.Class');
+
+var Registry = Class.extend({
+    init: function (mapping) {
+        this.map = Object.create(mapping || null);
+    },
+    get: function (key) {
+        return this.map[key];
+    },
+    contains: function (key) {
+        return (key in this.map);
+    },
+    /**
+     * Tries a number of keys, and returns the first object matching one of
+     * the keys.
+     *
+     * @param {Array} keys a sequence of keys to fetch the object for
+     * @returns {Class} the first class found matching an object
+     */
+    get_any: function (keys) {
+        for (var i=0; i<keys.length; i++) {
+            if (keys[i] in this.map) {
+                return this.map[keys[i]];
+            }
+        }
+        return null;
+    },
+    add: function (key, value) {
+        this.map[key] = value;
+        return this;
+    },
+    /**
+     * Creates and returns a copy of the current mapping, with the provided
+     * mapping argument added in (replacing existing keys if needed)
+     *
+     * Parent and child remain linked, a new key in the parent (which is not
+     * overwritten by the child) will appear in the child.
+     *
+     * @param {Object} [mapping={}] a mapping of keys to object-paths
+     */
+    extend: function (mapping) {
+        var child = new Registry(this.map);
+        _.extend(child.map, mapping);
+        return child;
+    },
+});
+
+return Registry;
+
+});
+