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iconify/packages/browser-tests/tests/21-observe-dom-test.ts

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import mocha from 'mocha';
import chai from 'chai';
import { getNode, setRoot } from './node';
import { addFinder } from '@iconify/iconify/lib/modules/finder';
import { finder as iconifyFinder } from '@iconify/iconify/lib/finders/iconify';
import { finder as iconifyIconFinder } from '@iconify/iconify/lib/finders/iconify-icon';
import { getStorage, addIconSet } from '@iconify/core/lib/storage/storage';
import { listRootNodes } from '@iconify/iconify/lib/modules/root';
import { scanDOM } from '@iconify/iconify/lib/modules/scanner';
import {
initObserver,
observeNode,
removeObservedNode,
} from '@iconify/iconify/lib/modules/observer';
const expect = chai.expect;
describe('Observe DOM', () => {
const storage = getStorage('', 'mdi');
before(() => {
// Add finders
addFinder(iconifyFinder);
addFinder(iconifyIconFinder);
// Add mentioned icons to storage
addIconSet(storage, {
prefix: 'mdi',
icons: {
'account-box': {
body: '<path d="M6 17c0-2 4-3.1 6-3.1s6 1.1 6 3.1v1H6m9-9a3 3 0 0 1-3 3a3 3 0 0 1-3-3a3 3 0 0 1 3-3a3 3 0 0 1 3 3M3 5v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V5a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2z" fill="currentColor"/>',
},
'account-cash': {
body: '<path d="M11 8c0 2.21-1.79 4-4 4s-4-1.79-4-4s1.79-4 4-4s4 1.79 4 4m0 6.72V20H0v-2c0-2.21 3.13-4 7-4c1.5 0 2.87.27 4 .72M24 20H13V3h11v17m-8-8.5a2.5 2.5 0 0 1 5 0a2.5 2.5 0 0 1-5 0M22 7a2 2 0 0 1-2-2h-3c0 1.11-.89 2-2 2v9a2 2 0 0 1 2 2h3c0-1.1.9-2 2-2V7z" fill="currentColor"/>',
},
'account': {
body: '<path d="M12 4a4 4 0 0 1 4 4a4 4 0 0 1-4 4a4 4 0 0 1-4-4a4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4z" fill="currentColor"/>',
},
'home': {
body: '<path d="M10 20v-6h4v6h5v-8h3L12 3L2 12h3v8h5z" fill="currentColor"/>',
},
},
width: 24,
height: 24,
});
});
it('Basic test', (done) => {
const node = getNode('observe-dom');
const ignoredNode = getNode('observe-dom');
// Set root and init observer
setRoot(node);
initObserver(scanDOM);
// Test listRootNodes
const nodes = listRootNodes();
expect(nodes.length).to.be.equal(1);
expect(nodes[0].node).to.be.equal(node);
expect(nodes[0].temporary).to.be.equal(false);
// Set HTML
node.innerHTML =
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'<p>Testing observing DOM (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
ignoredNode.innerHTML =
'<p>This node should be ignored</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
// Test nodes
setTimeout(() => {
// Find elements
let elements = node.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
elements = ignoredNode.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(
0,
'Looks like document.body is observed!'
);
// Test for "home" icon contents
expect(node.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(-1);
done();
}, 100);
});
it('Change icon', (done) => {
const node = getNode('observe-dom');
// Set root and init observer
setRoot(node);
initObserver(scanDOM);
// Set HTML
node.innerHTML =
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'<p>Testing observing DOM (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
// Test nodes
setTimeout(() => {
// Find elements
const elements = node.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
// Test for "home" icon contents
expect(node.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(-1);
// Change icon
elements[0].setAttribute('data-icon', 'mdi:account');
// Test nodes after timer
setTimeout(() => {
// Find elements
const elements = node.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
// Test for "home" icon contents
expect(node.innerHTML.indexOf('20v-6h4v6h5v')).to.be.equal(-1);
expect(node.innerHTML.indexOf('M12 4a4')).to.not.be.equal(-1);
done();
}, 100);
}, 100);
});
it('Adding node to observe', (done) => {
const baseNode = getNode('observe-dom');
const node = getNode('observe-dom');
// Set root and init observer
setRoot(baseNode);
initObserver(scanDOM);
// Test listRootNodes
let nodes = listRootNodes();
expect(nodes.length).to.be.equal(1);
expect(nodes[0].node).to.be.equal(baseNode);
expect(nodes[0].temporary).to.be.equal(false);
// Observe another node
observeNode(node);
nodes = listRootNodes();
expect(nodes.length).to.be.equal(2);
expect(nodes[0].node).to.be.equal(baseNode);
expect(nodes[0].temporary).to.be.equal(false);
expect(nodes[1].node).to.be.equal(node);
expect(nodes[1].temporary).to.be.equal(false);
// Set HTML
baseNode.innerHTML =
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'<p>Testing observing 2 nodes (1) (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
node.innerHTML =
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'<p>Testing observing 2 nodes (2) (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
// Test nodes
setTimeout(() => {
// Find elements
let elements = node.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
elements = baseNode.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
// Test for "home" icon contents
expect(node.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(-1);
expect(baseNode.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(
-1
);
done();
}, 100);
});
it('Adding node to observe after setting content', (done) => {
const baseNode = getNode('observe-dom');
const node = getNode('observe-dom');
// Set root and init observer
setRoot(baseNode);
initObserver(scanDOM);
// Test listRootNodes
let nodes = listRootNodes();
expect(nodes.length).to.be.equal(1);
expect(nodes[0].node).to.be.equal(baseNode);
expect(nodes[0].temporary).to.be.equal(false);
// Set HTML
baseNode.innerHTML =
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'<p>Testing observing 2 nodes (1) (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
node.innerHTML =
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'<p>Testing observing 2 nodes (2) (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
// Observe node: should run scan on next tick
observeNode(node);
// Test nodes
setTimeout(() => {
// Find elements
let elements = node.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
elements = baseNode.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
// Test for "home" icon contents
expect(node.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(-1);
expect(baseNode.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(
-1
);
done();
}, 100);
});
it('Stop observing node', (done) => {
const baseNode = getNode('observe-dom');
const node = getNode('observe-dom');
// Set root and init observer
setRoot(baseNode);
initObserver(scanDOM);
// Test listRootNodes
let nodes = listRootNodes();
expect(nodes.length).to.be.equal(1);
expect(nodes[0].node).to.be.equal(baseNode);
expect(nodes[0].temporary).to.be.equal(false);
// Observe another node
observeNode(node);
nodes = listRootNodes();
expect(nodes.length).to.be.equal(2);
expect(nodes[0].node).to.be.equal(baseNode);
expect(nodes[0].temporary).to.be.equal(false);
expect(nodes[1].node).to.be.equal(node);
expect(nodes[1].temporary).to.be.equal(false);
// Stop observing baseNode
removeObservedNode(baseNode);
nodes = listRootNodes();
expect(nodes.length).to.be.equal(1);
expect(nodes[0].node).to.be.equal(node);
expect(nodes[0].temporary).to.be.equal(false);
// Set HTML
baseNode.innerHTML =
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'<p>Testing observing 2 nodes (1) (should NOT render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
node.innerHTML =
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'<p>Testing observing 2 nodes (2) (should render SVG!)</p>' +
'<span class="iconify" data-icon="mdi:home"></span>';
// Test nodes
setTimeout(() => {
// Find elements
let elements = node.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(1);
elements = baseNode.querySelectorAll('svg.iconify');
expect(elements.length).to.be.equal(0);
// Test for "home" icon contents
expect(node.innerHTML.indexOf('20v-6h4v6h5v')).to.not.be.equal(-1);
expect(baseNode.innerHTML.indexOf('20v-6h4v6h5v')).to.be.equal(-1);
done();
}, 100);
});
});