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* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
* http://paperjs.org/
*
* Copyright (c) 2011 - 2020, Jürg Lehni & Jonathan Puckey
* http://juerglehni.com/ & https://puckey.studio/
*
* Distributed under the MIT license. See LICENSE file for details.
*
* All rights reserved.
*/
// TODO: remove eslint-disable comment and deal with errors over time
/* eslint-disable */
import { ref } from '~/globals';
import { Rectangle } from '~/basic/Rectangle';
import { Size } from '~/basic/Size';
/**
* @name DomElement
* @namespace
* @private
*/
// @ts-expect-error = Only a void function can be called with the 'new' keyword
export const DomElement = new (function () {
// Handles both getting and setting of vendor prefix values
function handlePrefix(el, name, set, value) {
var prefixes = ['', 'webkit', 'moz', 'Moz', 'ms', 'o'],
suffix = name[0].toUpperCase() + name.substring(1);
for (var i = 0; i < 6; i++) {
var prefix = prefixes[i],
key = prefix ? prefix + suffix : name;
if (key in el) {
if (set) {
el[key] = value;
} else {
return el[key];
}
break;
}
}
}
return /** @lends DomElement */ {
getStyles: function (el) {
// If el is a document (nodeType == 9), use it directly
var doc = el && el.nodeType !== 9 ? el.ownerDocument : el,
view = doc && doc.defaultView;
return view && view.getComputedStyle(el, '');
},
getBounds: function (el, viewport) {
var doc = el.ownerDocument,
body = doc.body,
html = doc.documentElement,
rect;
try {
// On IE, for nodes that are not inside the DOM, this throws an
// exception. Emulate the behavior of all other browsers, which
// return a rectangle of 0 dimensions.
rect = el.getBoundingClientRect();
} catch (e) {
rect = { left: 0, top: 0, width: 0, height: 0 };
}
var x = rect.left - (html.clientLeft || body.clientLeft || 0),
y = rect.top - (html.clientTop || body.clientTop || 0);
if (!viewport) {
var view = doc.defaultView;
x += view.pageXOffset || html.scrollLeft || body.scrollLeft;
y += view.pageYOffset || html.scrollTop || body.scrollTop;
}
return new Rectangle(x, y, rect.width, rect.height);
},
getViewportBounds: function (el) {
var doc = el.ownerDocument,
view = doc.defaultView,
html = doc.documentElement;
return new Rectangle(0, 0, view.innerWidth || html.clientWidth, view.innerHeight || html.clientHeight);
},
getOffset: function (el, viewport) {
return DomElement.getBounds(el, viewport).getPoint();
},
getSize: function (el) {
return DomElement.getBounds(el, true).getSize();
},
/**
* Checks if element is invisible (display: none, ...).
*/
isInvisible: function (el) {
return DomElement.getSize(el).equals(new Size(0, 0));
},
/**
* Checks if element is visible in current viewport.
*/
isInView: function (el) {
// See if the viewport bounds intersect with the windows rectangle
// which always starts at 0, 0
return !DomElement.isInvisible(el) && DomElement.getViewportBounds(el).intersects(DomElement.getBounds(el, true));
},
/**
* Checks if element is inside the DOM.
*/
isInserted: function (el) {
return globalThis.document.body.contains(el);
},
/**
* Gets the given property from the element, trying out all browser
* prefix variants.
*/
getPrefixed: function (el, name) {
// @ts-expect-error = Expected 4 arguments, but got 2.
return el && handlePrefix(el, name);
},
setPrefixed: function (el, name, value) {
if (typeof name === 'object') {
for (var key in name) handlePrefix(el, key, true, name[key]);
} else {
handlePrefix(el, name, true, value);
}
},
};
})();
ref.DomElement = DomElement;
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