SideEffect.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RemoveScrollSideCar = exports.getDeltaXY = exports.getTouchXY = void 0;
var tslib_1 = require("tslib");
var React = tslib_1.__importStar(require("react"));
var react_remove_scroll_bar_1 = require("react-remove-scroll-bar");
var react_style_singleton_1 = require("react-style-singleton");
var aggresiveCapture_1 = require("./aggresiveCapture");
var handleScroll_1 = require("./handleScroll");
var getTouchXY = function (event) {
return 'changedTouches' in event ? [event.changedTouches[0].clientX, event.changedTouches[0].clientY] : [0, 0];
};
exports.getTouchXY = getTouchXY;
var getDeltaXY = function (event) { return [event.deltaX, event.deltaY]; };
exports.getDeltaXY = getDeltaXY;
var extractRef = function (ref) {
return ref && 'current' in ref ? ref.current : ref;
};
var deltaCompare = function (x, y) { return x[0] === y[0] && x[1] === y[1]; };
var generateStyle = function (id) { return "\n .block-interactivity-".concat(id, " {pointer-events: none;}\n .allow-interactivity-").concat(id, " {pointer-events: all;}\n"); };
var idCounter = 0;
var lockStack = [];
function RemoveScrollSideCar(props) {
var shouldPreventQueue = React.useRef([]);
var touchStartRef = React.useRef([0, 0]);
var activeAxis = React.useRef();
var id = React.useState(idCounter++)[0];
var Style = React.useState(react_style_singleton_1.styleSingleton)[0];
var lastProps = React.useRef(props);
React.useEffect(function () {
lastProps.current = props;
}, [props]);
React.useEffect(function () {
if (props.inert) {
document.body.classList.add("block-interactivity-".concat(id));
var allow_1 = tslib_1.__spreadArray([props.lockRef.current], (props.shards || []).map(extractRef), true).filter(Boolean);
allow_1.forEach(function (el) { return el.classList.add("allow-interactivity-".concat(id)); });
return function () {
document.body.classList.remove("block-interactivity-".concat(id));
allow_1.forEach(function (el) { return el.classList.remove("allow-interactivity-".concat(id)); });
};
}
return;
}, [props.inert, props.lockRef.current, props.shards]);
var shouldCancelEvent = React.useCallback(function (event, parent) {
if (('touches' in event && event.touches.length === 2) || (event.type === 'wheel' && event.ctrlKey)) {
return !lastProps.current.allowPinchZoom;
}
var touch = (0, exports.getTouchXY)(event);
var touchStart = touchStartRef.current;
var deltaX = 'deltaX' in event ? event.deltaX : touchStart[0] - touch[0];
var deltaY = 'deltaY' in event ? event.deltaY : touchStart[1] - touch[1];
var currentAxis;
var target = event.target;
var moveDirection = Math.abs(deltaX) > Math.abs(deltaY) ? 'h' : 'v';
// allow horizontal touch move on Range inputs. They will not cause any scroll
if ('touches' in event && moveDirection === 'h' && target.type === 'range') {
return false;
}
// allow drag selection (iOS); check if selection's anchorNode is the same as target or contains target
var selection = window.getSelection();
var anchorNode = selection && selection.anchorNode;
var isTouchingSelection = anchorNode ? anchorNode === target || anchorNode.contains(target) : false;
if (isTouchingSelection) {
return false;
}
var canBeScrolledInMainDirection = (0, handleScroll_1.locationCouldBeScrolled)(moveDirection, target);
if (!canBeScrolledInMainDirection) {
return true;
}
if (canBeScrolledInMainDirection) {
currentAxis = moveDirection;
}
else {
currentAxis = moveDirection === 'v' ? 'h' : 'v';
canBeScrolledInMainDirection = (0, handleScroll_1.locationCouldBeScrolled)(moveDirection, target);
// other axis might be not scrollable
}
if (!canBeScrolledInMainDirection) {
return false;
}
if (!activeAxis.current && 'changedTouches' in event && (deltaX || deltaY)) {
activeAxis.current = currentAxis;
}
if (!currentAxis) {
return true;
}
var cancelingAxis = activeAxis.current || currentAxis;
return (0, handleScroll_1.handleScroll)(cancelingAxis, parent, event, cancelingAxis === 'h' ? deltaX : deltaY, true);
}, []);
var shouldPrevent = React.useCallback(function (_event) {
var event = _event;
if (!lockStack.length || lockStack[lockStack.length - 1] !== Style) {
// not the last active
return;
}
var delta = 'deltaY' in event ? (0, exports.getDeltaXY)(event) : (0, exports.getTouchXY)(event);
var sourceEvent = shouldPreventQueue.current.filter(function (e) { return e.name === event.type && (e.target === event.target || event.target === e.shadowParent) && deltaCompare(e.delta, delta); })[0];
// self event, and should be canceled
if (sourceEvent && sourceEvent.should) {
if (event.cancelable) {
event.preventDefault();
}
return;
}
// outside or shard event
if (!sourceEvent) {
var shardNodes = (lastProps.current.shards || [])
.map(extractRef)
.filter(Boolean)
.filter(function (node) { return node.contains(event.target); });
var shouldStop = shardNodes.length > 0 ? shouldCancelEvent(event, shardNodes[0]) : !lastProps.current.noIsolation;
if (shouldStop) {
if (event.cancelable) {
event.preventDefault();
}
}
}
}, []);
var shouldCancel = React.useCallback(function (name, delta, target, should) {
var event = { name: name, delta: delta, target: target, should: should, shadowParent: getOutermostShadowParent(target) };
shouldPreventQueue.current.push(event);
setTimeout(function () {
shouldPreventQueue.current = shouldPreventQueue.current.filter(function (e) { return e !== event; });
}, 1);
}, []);
var scrollTouchStart = React.useCallback(function (event) {
touchStartRef.current = (0, exports.getTouchXY)(event);
activeAxis.current = undefined;
}, []);
var scrollWheel = React.useCallback(function (event) {
shouldCancel(event.type, (0, exports.getDeltaXY)(event), event.target, shouldCancelEvent(event, props.lockRef.current));
}, []);
var scrollTouchMove = React.useCallback(function (event) {
shouldCancel(event.type, (0, exports.getTouchXY)(event), event.target, shouldCancelEvent(event, props.lockRef.current));
}, []);
React.useEffect(function () {
lockStack.push(Style);
props.setCallbacks({
onScrollCapture: scrollWheel,
onWheelCapture: scrollWheel,
onTouchMoveCapture: scrollTouchMove,
});
document.addEventListener('wheel', shouldPrevent, aggresiveCapture_1.nonPassive);
document.addEventListener('touchmove', shouldPrevent, aggresiveCapture_1.nonPassive);
document.addEventListener('touchstart', scrollTouchStart, aggresiveCapture_1.nonPassive);
return function () {
lockStack = lockStack.filter(function (inst) { return inst !== Style; });
document.removeEventListener('wheel', shouldPrevent, aggresiveCapture_1.nonPassive);
document.removeEventListener('touchmove', shouldPrevent, aggresiveCapture_1.nonPassive);
document.removeEventListener('touchstart', scrollTouchStart, aggresiveCapture_1.nonPassive);
};
}, []);
var removeScrollBar = props.removeScrollBar, inert = props.inert;
return (React.createElement(React.Fragment, null,
inert ? React.createElement(Style, { styles: generateStyle(id) }) : null,
removeScrollBar ? React.createElement(react_remove_scroll_bar_1.RemoveScrollBar, { noRelative: props.noRelative, gapMode: props.gapMode }) : null));
}
exports.RemoveScrollSideCar = RemoveScrollSideCar;
function getOutermostShadowParent(node) {
var shadowParent = null;
while (node !== null) {
if (node instanceof ShadowRoot) {
shadowParent = node.host;
node = node.host;
}
node = node.parentNode;
}
return shadowParent;
}