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58 lines
2.2 KiB
58 lines
2.2 KiB
var RtlScrollAxisType;
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(function (RtlScrollAxisType) {
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RtlScrollAxisType[RtlScrollAxisType["NORMAL"] = 0] = "NORMAL";
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RtlScrollAxisType[RtlScrollAxisType["NEGATED"] = 1] = "NEGATED";
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RtlScrollAxisType[RtlScrollAxisType["INVERTED"] = 2] = "INVERTED";
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})(RtlScrollAxisType || (RtlScrollAxisType = {}));
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let rtlScrollAxisType;
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let scrollBehaviorSupported;
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function supportsScrollBehavior() {
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if (scrollBehaviorSupported == null) {
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if (typeof document !== 'object' || !document || typeof Element !== 'function' || !Element) {
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scrollBehaviorSupported = false;
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return scrollBehaviorSupported;
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}
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if (document.documentElement?.style && 'scrollBehavior' in document.documentElement.style) {
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scrollBehaviorSupported = true;
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} else {
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const scrollToFunction = Element.prototype.scrollTo;
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if (scrollToFunction) {
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scrollBehaviorSupported = !/\{\s*\[native code\]\s*\}/.test(scrollToFunction.toString());
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} else {
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scrollBehaviorSupported = false;
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}
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}
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}
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return scrollBehaviorSupported;
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}
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function getRtlScrollAxisType() {
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if (typeof document !== 'object' || !document) {
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return RtlScrollAxisType.NORMAL;
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}
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if (rtlScrollAxisType == null) {
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const scrollContainer = document.createElement('div');
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const containerStyle = scrollContainer.style;
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scrollContainer.dir = 'rtl';
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containerStyle.width = '1px';
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containerStyle.overflow = 'auto';
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containerStyle.visibility = 'hidden';
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containerStyle.pointerEvents = 'none';
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containerStyle.position = 'absolute';
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const content = document.createElement('div');
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const contentStyle = content.style;
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contentStyle.width = '2px';
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contentStyle.height = '1px';
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scrollContainer.appendChild(content);
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document.body.appendChild(scrollContainer);
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rtlScrollAxisType = RtlScrollAxisType.NORMAL;
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if (scrollContainer.scrollLeft === 0) {
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scrollContainer.scrollLeft = 1;
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rtlScrollAxisType = scrollContainer.scrollLeft === 0 ? RtlScrollAxisType.NEGATED : RtlScrollAxisType.INVERTED;
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}
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scrollContainer.remove();
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}
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return rtlScrollAxisType;
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}
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export { RtlScrollAxisType, getRtlScrollAxisType, supportsScrollBehavior };
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//# sourceMappingURL=_scrolling-chunk.mjs.map
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