chore(svelte-examples): pull out of lib package (#3363)

* chore(svelte-examples): pull out of lib package * chore(svelte-examples): cleanup * chore(examples): add readme files
2023-08-31 16:44:27 +02:00
parent 3da34c739e
commit dcc38794a6
197 changed files with 2003 additions and 1575 deletions
@@ -0,0 +1,96 @@
+import { ReactFlow, useOnViewportChange, Viewport } from '@xyflow/react';
+
+describe('useOnViewportChange.cy.tsx', () => {
+  it('listen to viewport drag', () => {
+    const onStartSpy = cy.spy().as('onStartSpy');
+    const onChangeSpy = cy.spy().as('onChangeSpy');
+    const onEndSpy = cy.spy().as('onEndSpy');
+
+    cy.mount(
+      <ReactFlow>
+        <HookHelperComponent onStart={onStartSpy} onChange={onChangeSpy} onEnd={onEndSpy} />
+      </ReactFlow>
+    );
+
+    cy.dragPane({ from: { x: 50, y: 50 }, to: { x: 50, y: 100 } }).then(() => {
+      cy.get('@onStartSpy').should('have.been.calledWith', { x: 0, y: 0, zoom: 1 });
+      cy.get('@onChangeSpy').should('have.been.calledWith', { x: 0, y: 50, zoom: 1 });
+      cy.get('@onEndSpy').should('have.been.calledWith', { x: 0, y: 50, zoom: 1 });
+    });
+  });
+
+  it('handles zoom in', () => {
+    const onStartSpy = cy.spy().as('onStartSpy');
+    const onChangeSpy = cy.spy().as('onChangeSpy');
+    const onEndSpy = cy.spy().as('onEndSpy');
+
+    cy.mount(
+      <ReactFlow>
+        <HookHelperComponent onStart={onStartSpy} onChange={onChangeSpy} onEnd={onEndSpy} />
+      </ReactFlow>
+    );
+
+    cy.zoomPane(-200).then(() => {
+      cy.get('@onStartSpy').should('have.been.callCount', 1);
+      cy.get('@onChangeSpy').should('have.been.callCount', 1);
+      cy.get('@onEndSpy').should('have.been.callCount', 1);
+
+      expect(getLatestViewport(onChangeSpy).zoom).to.be.gt(1);
+    });
+  });
+
+  it('handles zoom out', () => {
+    const onStartSpy = cy.spy().as('onStartSpy');
+    const onChangeSpy = cy.spy().as('onChangeSpy');
+    const onEndSpy = cy.spy().as('onEndSpy');
+
+    cy.mount(
+      <ReactFlow>
+        <HookHelperComponent onStart={onStartSpy} onChange={onChangeSpy} onEnd={onEndSpy} />
+      </ReactFlow>
+    );
+
+    cy.zoomPane(200).then(() => {
+      cy.get('@onStartSpy').should('have.been.callCount', 1);
+      cy.get('@onChangeSpy').should('have.been.callCount', 1);
+      cy.get('@onEndSpy').should('have.been.callCount', 1);
+
+      expect(getLatestViewport(onChangeSpy).zoom).to.be.lt(1);
+    });
+  });
+
+  it('handles default viewport', () => {
+    const defaultViewport = { x: 100, y: 100, zoom: 0.5 };
+    const onStartSpy = cy.spy().as('onStartSpy');
+
+    cy.mount(
+      <ReactFlow defaultViewport={defaultViewport}>
+        <HookHelperComponent onStart={onStartSpy} />
+      </ReactFlow>
+    );
+
+    cy.dragPane({ from: { x: 50, y: 50 }, to: { x: 50, y: 100 } }).then(() => {
+      cy.get('@onStartSpy').should('have.been.calledWith', defaultViewport);
+    });
+  });
+});
+
+// test specific helpers
+
+function HookHelperComponent({
+  onStart,
+  onChange,
+  onEnd,
+}: {
+  onStart?: (viewport: Viewport) => void;
+  onChange?: (viewport: Viewport) => void;
+  onEnd?: (viewport: Viewport) => void;
+}) {
+  useOnViewportChange({ onStart, onChange, onEnd });
+
+  return null;
+}
+
+function getLatestViewport(onChangeSpy: any) {
+  return onChangeSpy.lastCall.args[0] as unknown as Viewport;
+}