@trail-ui/react
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JavaScript
// src/overlay/overlay.tsx
import React from "react";
import { isValidElement, useLayoutEffect, useRef, useState } from "react";
import { Fragment, jsx, jsxs } from "react/jsx-runtime";
var Positions = {
top: "top",
topLeft: "topLeft",
topRight: "topRight",
bottom: "bottom",
bottomLeft: "bottomLeft",
bottomRight: "bottomRight",
left: "left",
leftTop: "leftTop",
leftBottom: "leftBottom",
right: "right",
rightTop: "rightTop",
rightBottom: "rightBottom"
};
function Overlay(props) {
var _a, _b, _c;
const [style, setStyle] = useState({
top: 0,
left: 0,
transform: "",
position: "fixed"
});
const elementRef = useRef(null);
const getContainingBlockOffset = () => {
const probe = document.createElement("div");
probe.style.cssText = "position:fixed;top:0;left:0;width:1px;height:1px;pointer-events:none;visibility:hidden;";
document.body.appendChild(probe);
const rect = probe.getBoundingClientRect();
document.body.removeChild(probe);
return { top: rect.top, left: rect.left };
};
const getMaxHeight = () => {
var _a2, _b2, _c2;
const refEl = props.referenceElement.current;
if (!refEl) {
return;
}
const refRect = refEl.getBoundingClientRect();
let maxAvailableHeight = 0;
const windowHeight = window.innerHeight;
const offsetY = ((_a2 = props.offset) == null ? void 0 : _a2.y) || 0;
switch (props.position) {
case Positions.bottom:
case Positions.bottomLeft:
case Positions.bottomRight:
maxAvailableHeight = windowHeight - refRect.bottom - offsetY * 2;
break;
case Positions.top:
case Positions.topLeft:
case Positions.topRight:
maxAvailableHeight = refRect.top - offsetY * 2;
break;
default:
maxAvailableHeight = Math.min(
windowHeight - offsetY * 2,
((_b2 = props.style) == null ? void 0 : _b2.maxHeight) || Number.POSITIVE_INFINITY
);
}
if ((_c2 = props.style) == null ? void 0 : _c2.maxHeight) {
maxAvailableHeight = Math.min(maxAvailableHeight, props.style.maxHeight);
}
return maxAvailableHeight;
};
const getMaxWidth = () => {
var _a2, _b2, _c2;
const refEl = props.referenceElement.current;
if (!refEl) {
return;
}
const refRect = refEl.getBoundingClientRect();
let maxAvailableWidth = 0;
const windowWidth = window.innerWidth;
const offsetX = ((_a2 = props.offset) == null ? void 0 : _a2.x) || 0;
switch (props.position) {
case Positions.right:
case Positions.rightBottom:
case Positions.rightTop:
maxAvailableWidth = windowWidth - refRect.right - offsetX * 2;
break;
case Positions.left:
case Positions.leftBottom:
case Positions.leftTop:
maxAvailableWidth = refRect.left - offsetX * 2;
break;
default:
maxAvailableWidth = Math.min(
windowWidth - offsetX * 2,
((_b2 = props.style) == null ? void 0 : _b2.maxWidth) || Number.POSITIVE_INFINITY
);
}
if ((_c2 = props.style) == null ? void 0 : _c2.maxWidth) {
maxAvailableWidth = Math.min(maxAvailableWidth, props.style.maxWidth);
}
return maxAvailableWidth;
};
const getUpdatedPositions = () => {
var _a2, _b2, _c2, _d, _e, _f, _g, _h, _i, _j, _k, _l;
const refEl = props.referenceElement.current;
if (!refEl) {
return;
}
const refRect = refEl.getBoundingClientRect();
const cbOffset = getContainingBlockOffset();
let top = 0;
let left = 0;
let transform = "";
switch (props.position) {
case Positions.top:
top = refRect.top - (((_a2 = props.offset) == null ? void 0 : _a2.y) || 0) - cbOffset.top;
left = refRect.left + refRect.width / 2 - cbOffset.left;
transform = "translate(-50%, -100%)";
break;
case Positions.topLeft:
top = refRect.top - (((_b2 = props.offset) == null ? void 0 : _b2.y) || 0) - cbOffset.top;
left = refRect.left - cbOffset.left;
transform = "translateY(-100%)";
break;
case Positions.topRight:
top = refRect.top - (((_c2 = props.offset) == null ? void 0 : _c2.y) || 0) - cbOffset.top;
left = refRect.right - cbOffset.left;
transform = "translate(-100%, -100%)";
break;
case Positions.bottom:
top = refRect.bottom + (((_d = props.offset) == null ? void 0 : _d.y) || 0) - cbOffset.top;
left = refRect.left + refRect.width / 2 - cbOffset.left;
transform = "translateX(-50%)";
break;
case Positions.bottomLeft:
top = refRect.bottom + (((_e = props.offset) == null ? void 0 : _e.y) || 0) - cbOffset.top;
left = refRect.left - cbOffset.left;
break;
case Positions.bottomRight:
top = refRect.bottom + (((_f = props.offset) == null ? void 0 : _f.y) || 0) - cbOffset.top;
left = refRect.right - cbOffset.left;
transform = "translateX(-100%)";
break;
case Positions.left:
top = refRect.top + refRect.height / 2 - cbOffset.top;
left = refRect.left - (((_g = props.offset) == null ? void 0 : _g.x) || 0) - cbOffset.left;
transform = "translate(-100%, -50%)";
break;
case Positions.leftTop:
top = refRect.top - cbOffset.top;
left = refRect.left - (((_h = props.offset) == null ? void 0 : _h.x) || 0) - cbOffset.left;
transform = "translateX(-100%)";
break;
case Positions.leftBottom:
top = refRect.bottom - cbOffset.top;
left = refRect.left - (((_i = props.offset) == null ? void 0 : _i.x) || 0) - cbOffset.left;
transform = "translate(-100%, -100%)";
break;
case Positions.right:
top = refRect.top + refRect.height / 2 - cbOffset.top;
left = refRect.right + (((_j = props.offset) == null ? void 0 : _j.x) || 0) - cbOffset.left;
transform = "translateY(-50%)";
break;
case Positions.rightTop:
top = refRect.top - cbOffset.top;
left = refRect.right + (((_k = props.offset) == null ? void 0 : _k.x) || 0) - cbOffset.left;
break;
case Positions.rightBottom:
top = refRect.bottom - cbOffset.top;
left = refRect.right + (((_l = props.offset) == null ? void 0 : _l.x) || 0) - cbOffset.left;
transform = "translateY(-100%)";
break;
}
const maxHeight = getMaxHeight();
const maxWidth = getMaxWidth();
setStyle((prevState) => ({
...prevState,
top,
left,
transform,
...maxHeight && { maxHeight },
...maxWidth && { maxWidth }
}));
};
useLayoutEffect(() => {
if (!props.referenceElement.current) {
return;
}
getUpdatedPositions();
const updatePositions = () => getUpdatedPositions();
window.addEventListener("resize", updatePositions);
window.addEventListener("scroll", updatePositions, true);
return () => {
window.removeEventListener("resize", updatePositions);
window.removeEventListener("scroll", updatePositions, true);
};
}, [props.referenceElement, props.isOpen]);
if (isValidElement(props.children)) {
return /* @__PURE__ */ jsxs(Fragment, { children: [
props.onOverlayClick && /* @__PURE__ */ jsx(
"div",
{
role: "button",
className: "z-2 fixed left-[0] top-[0] h-[100vh] w-[100vw]",
onClick: props.onOverlayClick,
onKeyDown: props.onOverlayClick,
"aria-label": "Close dropdown",
tabIndex: -1
}
),
/* @__PURE__ */ jsx(
"div",
{
style: {
...style,
overflow: "auto",
width: ((_a = props.style) == null ? void 0 : _a.width) || ((_b = props.referenceElement.current) == null ? void 0 : _b.getBoundingClientRect().width),
height: ((_c = props.style) == null ? void 0 : _c.height) || "fit-content",
zIndex: 30
},
children: React.cloneElement(props.children, { ref: elementRef })
}
)
] });
}
return props.children;
}
export {
Positions,
Overlay
};