import popper.js

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

assets/u/static/popper.js-1.16.0/packages/popper/tests/functional/computeStyle.js

@@ -0,0 +1,68 @@
+import Popper from '../../src/index.js';
+
+import '@popperjs/test-utils';
+const jasmineWrapper = document.getElementById('jasmineWrapper');
+const arrowSize = 5;
+
+// Utils
+import appendNewPopper from '@popperjs/test-utils/utils/appendNewPopper';
+import appendNewRef from '@popperjs/test-utils/utils/appendNewRef';
+import getRect from '../utils/getRect';
+
+[true, false].forEach((positionFixed) => {
+  beforeEach(function(){
+    Popper.Defaults.positionFixed = positionFixed;
+  });
+
+  describe('[computeStyle]' + (positionFixed ? ' Fixed' : ''), () => {
+    describe('x="top" y="left"', () => {
+      it('positions a popper on the body correctly', (done) => {
+        const reference = appendNewRef(1);
+        const popper = appendNewPopper(2);
+
+        new Popper(reference, popper, {
+          modifiers: {
+            computeStyle: {
+              x: 'top',
+              y: 'left',
+            },
+          },
+          onCreate(data) {
+            const popRect = getRect(popper);
+            const refRect = getRect(reference);
+            expect(popRect.top - arrowSize).toBeApprox(refRect.bottom);
+            expect(popRect.left).toBeApprox(5);
+            data.instance.destroy();
+            done();
+          },
+        });
+      });
+
+      it('positions a popper on a scrolled body correctly', (done) => {
+        jasmineWrapper.style.height = '500vh';
+        jasmineWrapper.style.width = '500vw';
+
+        const reference = appendNewRef(1);
+        const popper = appendNewPopper(2);
+
+        new Popper(reference, popper, {
+          modifiers: {
+            computeStyle: {
+              x: 'top',
+              y: 'left',
+            },
+          },
+          onCreate(data) {
+            const popRect = getRect(popper);
+            const refRect = getRect(reference);
+            expect(popRect.top - arrowSize).toBeApprox(refRect.bottom);
+            expect(popRect.left).toBeApprox(5);
+            jasmineWrapper.style.cssText = null;
+            data.instance.destroy();
+            done();
+          },
+        });
+      });
+    });
+  });
+});