react-autosize-container/dist/index.js

React component that gives you feedback about container size (width & height)

"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 __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AutoSize = void 0;
var react_1 = __importStar(require("react"));
var debounce = function debounce(cb, wait) {
    if (wait === void 0) { wait = 20; }
    var h;
    return function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        clearTimeout(h);
        h = setTimeout(function () { return cb.apply(void 0, args); }, wait);
    };
};
var AutoSize = function (_a) {
    var style = _a.style, children = _a.children;
    var container = react_1.useRef(null);
    var _b = react_1.useState(function () {
        var _a, _b;
        return {
            height: ((_a = container === null || container === void 0 ? void 0 : container.current) === null || _a === void 0 ? void 0 : _a.clientHeight) || 0,
            width: ((_b = container === null || container === void 0 ? void 0 : container.current) === null || _b === void 0 ? void 0 : _b.clientWidth) || 0,
        };
    }), dimension = _b[0], setDimension = _b[1];
    var handleResize = function () {
        var _a, _b;
        if (container.current) {
            var width_1 = (_a = container.current) === null || _a === void 0 ? void 0 : _a.clientWidth;
            var height_1 = (_b = container.current) === null || _b === void 0 ? void 0 : _b.clientHeight;
            setDimension(function (prev) {
                if (prev.width !== width_1 || prev.height !== height_1) {
                    return {
                        width: width_1,
                        height: height_1,
                    };
                }
                return prev;
            });
        }
    };
    react_1.useEffect(function () {
        var observer;
        var observedElement = container.current;
        var debounced = debounce(handleResize, 20);
        if (window.ResizeObserver && observedElement) {
            observer = new ResizeObserver(debounced);
            observer.observe(observedElement);
        }
        else {
            // this is fallback if ResizeObserver is not supported
            window.addEventListener('resize', debounced);
            setTimeout(debounced, 100);
        }
        return function () {
            if (window.ResizeObserver && observedElement) {
                observer.unobserve(observedElement);
            }
            else {
                window.removeEventListener('resize', debounced);
            }
        };
    }, []);
    return (react_1.default.createElement("div", { ref: container, style: __assign(__assign({}, style), { width: 'inherit', height: 'inherit' }) }, children(dimension)));
};
exports.AutoSize = AutoSize;
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