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Unmount React Components when removing elements from Dom #322

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Unmount React Components when removing elements from Dom #322

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3 changes: 3 additions & 0 deletions __tests__/utilities/graph-util.test.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
// @flow
import * as React from 'react';
import ReactDOM from 'react-dom';
import { shallow } from 'enzyme';
import GraphView from '../../src/components/graph-view';

Expand Down Expand Up @@ -128,6 +129,7 @@ describe('GraphUtils class', () => {

describe('removeElementFromDom method', () => {
it('removes an element using an id', () => {
ReactDOM.unmountComponentAtNode = jest.fn();
const fakeElement = {
parentNode: {
removeChild: jest.fn(),
Expand All @@ -137,6 +139,7 @@ describe('GraphUtils class', () => {
jest.spyOn(document, 'querySelector').mockReturnValue(fakeElement);
const result = GraphUtils.removeElementFromDom('fake');

expect(ReactDOM.unmountComponentAtNode).toHaveBeenCalledWith(fakeElement);
expect(fakeElement.parentNode.removeChild).toHaveBeenCalledWith(
fakeElement
);
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2 changes: 2 additions & 0 deletions src/utilities/graph-util.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ import { type IEdge } from '../components/edge';
import { type INode } from '../components/node';
import { type IPoint } from '../components/graph-view-props';
import fastDeepEqual from 'fast-deep-equal';
import ReactDOM from 'react-dom';

export type INodeMapNode = {
node: INode,
Expand Down Expand Up @@ -106,6 +107,7 @@ class GraphUtils {
const container = searchElement.querySelector(`[id='${id}']`);

if (container && container.parentNode) {
ReactDOM.unmountComponentAtNode(container);
container.parentNode.removeChild(container);

return true;
Expand Down