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function dispatchEventWithLog(shadow, target, event) {
var eventPath = [];
var relatedTargets = [];
var pathAtTargets = [];
var attachedNodes = [];
for (var nodeKey in shadow) {
var startingNode = shadow[nodeKey];
for (var node = startingNode; node; node = node.parentNode) {
if (attachedNodes.indexOf(node) >= 0)
continue;
attachedNodes.push(node);
node.addEventListener(event.type, (function (event) {
eventPath.push(this.label);
relatedTargets.push(event.relatedTarget ? event.relatedTarget.label : null);
if (!event.composedPath) // Don't fail all tests just for the lack of composedPath.
return;
pathAtTargets.push(event.composedPath().map(function (node) { return node.label; }));
}).bind(node));
}
}
target.dispatchEvent(event);
return {eventPath: eventPath, relatedTargets: relatedTargets, pathAtTargets: pathAtTargets};
}
/*
-SR: ShadowRoot -S: Slot
A ------------------------------- A-SR
+ B ------------ B-SR + A1 --- A1-SR
+ C + B1 --- B1-SR + A2-S + A1a
+ D --- D-SR + B1a + B1b --- B1b-SR
+ D1 + B1c-S + B1b1
+ B1b2
*/
function createTestTree(mode) {
var namedNodes = {};
function element(name) {
var element = document.createElement(name.indexOf('-S') > 0 ? 'slot' : 'div');
element.label = name;
namedNodes[name] = element;
for (var i = 1; i < arguments.length; i++) {
var item = arguments[i];
if (typeof(item) == 'function')
item(element);
else
element.appendChild(item);
}
return element;
}
function shadow(name) {
var children = [];
for (var i = 1; i < arguments.length; i++)
children.push(arguments[i]);
return function (element) {
var shadowRoot = element.attachShadow({mode: mode});
shadowRoot.label = name;
namedNodes[name] = shadowRoot;
for (var child of children)
shadowRoot.appendChild(child);
}
}
var host = element('A',
shadow('A-SR',
element('A1',
shadow('A1-SR',
element('A1a'))),
element('A2-S')
),
element('B',
shadow('B-SR',
element('B1',
shadow('B1-SR',
element('B1b',
shadow('B1b-SR',
element('B1b1'),
element('B1b2'))),
element('B1c-S')),
element('B1a'))),
element('C'),
element('D',
shadow('D-SR',
element('D1')))));
return namedNodes;
}
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