[WIP] Adding did-resize element modifier

addon/modifiers/did-resize.js

@@ -0,0 +1,52 @@
+import Ember from 'ember';
+
+export default Ember._setModifierManager(
+  owner => ({
+    createModifier() {
+      return {
+        element: null,
+        callback: undefined
+      };
+    },
+
+    installModifier(state, element, { positional: [ callback ] }) {
+      let cb = undefined;
+
+      if (typeof callback === 'function') {
+        cb =  function() {
+          callback(element);
+        };
+
+        owner.lookup('service:resize-detector').setup(element, cb);
+      }
+
+      state.element = element;
+      state.callback = cb;
+    },
+
+    updateModifier(state, { positional: [callback]}) {
+      let cb = undefined;
+
+      if (typeof state.callback === 'function') {
+        owner.lookup('service:resize-detector').teardown(state.element, state.callback);
+      }
+
+      if (typeof callback === 'function') {
+        cb =  function() {
+          callback(state.element);
+        };
+
+        owner.lookup('service:resize-detector').setup(state.element, cb);
+      }
+
+      state.callback = cb;
+    },
+
+    destroyModifier({ element, callback }) {
+      if (typeof callback === 'function') {
+        owner.lookup('service:resize-detector').teardown(element, callback);
+      }
+    }
+  }),
+  class DidResizeModifier {}
+);

app/modifiers/did-resize.js

@@ -0,0 +1 @@
+export { default } from 'ember-element-resize-detector/modifiers/did-resize';

package.json

@@ -46,6 +46,7 @@
     "ember-export-application-global": "^2.0.0",
     "ember-load-initializers": "^1.1.0",
     "ember-maybe-import-regenerator": "^0.1.6",
+    "ember-modifier-manager-polyfill": "^1.0.3",
     "ember-notify": "^5.1.0",
     "ember-resolver": "^4.0.0",
     "ember-source": "~3.3.0",