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https://github.com/NohamR/safari-internal-js.git
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72 lines
2.5 KiB
JavaScript
72 lines
2.5 KiB
JavaScript
//# sourceURL=__InjectedScript_WebContentLayoutAnalyzer.js
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/* Copyright (c) 2025 Apple Inc. All rights reserved. */
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// Copyright (c) 2013 Apple Inc. All rights reserved.
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function elementAppearsCentered(e, t) {
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var n = window.innerWidth - t.right - t.left;
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return Math.abs(n) <= 1;
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}
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function centeredElementIsNotAContainer(e, t) {
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if (e === document.documentElement || e === document.body) return !0;
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if (0 === t.left && t.width === window.innerWidth) return !0;
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if (!t.height) return !0;
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var n = e.innerText;
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return !n || !n.trim();
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}
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var WebContentLayoutAnalyzer = function () {
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((this.centeredContainerElement = null),
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(this.rectOfCenteredContainerElementBeforeResize = null),
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(this.rectOfCenteredContainerElementAfterResize = null));
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};
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WebContentLayoutAnalyzer.prototype = {
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findCenteredContainerElement: function () {
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for (
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var e = null,
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t = null,
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n = document.getElementsByTagName("*"),
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r = n.length,
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i = 0;
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i < r;
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++i
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) {
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var o = n[i],
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l = o.getBoundingClientRect();
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elementAppearsCentered(o, l) &&
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(centeredElementIsNotAContainer(o, l) ||
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((!t || l.width > t.width) && ((e = o), (t = l))));
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}
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return e;
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},
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collectInformationBeforeResize: function () {
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((this.centeredContainerElement = this.findCenteredContainerElement()),
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this.centeredContainerElement &&
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(this.rectOfCenteredContainerElementBeforeResize =
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this.centeredContainerElement.getBoundingClientRect()));
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},
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collectInformationAfterResize: function () {
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this.centeredContainerElement &&
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document.contains(this.centeredContainerElement) &&
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(this.rectOfCenteredContainerElementAfterResize =
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this.centeredContainerElement.getBoundingClientRect());
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},
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layoutInformation: function () {
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var e = !1,
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t = null;
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return (
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this.rectOfCenteredContainerElementBeforeResize &&
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this.rectOfCenteredContainerElementAfterResize &&
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((e =
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this.rectOfCenteredContainerElementBeforeResize.width ===
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this.rectOfCenteredContainerElementAfterResize.width),
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(t =
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this.rectOfCenteredContainerElementBeforeResize.left -
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this.rectOfCenteredContainerElementAfterResize.left)),
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{
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FoundCenteredContainer: !!this.centeredContainerElement,
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CenteredContainerIsFixedWidth: e,
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DistanceContainerMoved: t,
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}
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);
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},
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};
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var WebContentLayoutAnalyzerJS = new WebContentLayoutAnalyzer();
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