@react-md/divider/lib/useVerticalDividerHeight.js

This package is used to create horizontal or vertical dividers in your application.

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.useVerticalDividerHeight = void 0;
var react_1 = require("react");
var utils_1 = require("@react-md/utils");
/**
 * This is a small hook that is used to automatically create a vertical divider
 * based on the computed height of its parent element.
 *
 * @param maxHeight - The max height for the vertical divider. When the value is
 * between 0 and 1, it will be used as a percentage. Otherwise the smaller value
 * of parent element height and this will be used.
 * @remarks \@since 5.0.0 The hook accepts an object instead of using multiple
 * params and uses a generic for the HTMLElement type.
 */
function useVerticalDividerHeight(_a) {
    var ref = _a.ref, style = _a.style, maxHeight = _a.maxHeight;
    var _b = __read((0, react_1.useState)(undefined), 2), height = _b[0], setHeight = _b[1];
    var refCallback = (0, react_1.useCallback)(function (instance) {
        (0, utils_1.applyRef)(instance, ref);
        if (!instance || !instance.parentElement || maxHeight === 0) {
            return;
        }
        var height = instance.parentElement.offsetHeight;
        if (maxHeight <= 1) {
            setHeight(height * maxHeight);
        }
        else {
            setHeight(Math.min(height, maxHeight));
        }
    }, [maxHeight, ref]);
    return {
        ref: refCallback,
        style: maxHeight <= 0 ? style : __assign(__assign({}, style), { height: height }),
    };
}
exports.useVerticalDividerHeight = useVerticalDividerHeight;
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