@findify/react-components/lib/helpers/useMedia.js

Findify react UI components

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

import { useEffect, useRef, useState } from 'react';
var cache = {};
export default (function () {
  for (var _len = arguments.length, _breakpoints = new Array(_len), _key = 0; _key < _len; _key++) {
    _breakpoints[_key] = arguments[_key];
  }

  var breakpoints = _breakpoints;
  var keys = useRef(breakpoints.sort().reverse());
  keys.current.forEach(function (k) {
    if (cache[k]) return;
    cache[k] = window.matchMedia("(min-width: ".concat(k, "px)"));
  });

  var getValue = function getValue() {
    var match = keys.current.find(function (k) {
      return cache[k].matches;
    });
    var matched = keys.current.map(function (k) {
      return match === k;
    });
    return [!match].concat(_toConsumableArray(matched.reverse()));
  }; // State and setter for matched value


  var _useState = useState(getValue),
      _useState2 = _slicedToArray(_useState, 2),
      value = _useState2[0],
      setValue = _useState2[1];

  useEffect(function () {
    // Event listener callback
    // Note: By defining getValue outside of useEffect we ensure that it has ...
    // ... current values of hook args (as this hook callback is created once on mount).
    var handler = function handler() {
      return setValue(getValue);
    }; // Set a listener for each media query with above handler as callback.


    keys.current.forEach(function (k) {
      return cache[k].addListener(handler);
    }); // Remove listeners on cleanup

    return function () {
      return keys.current.forEach(function (k) {
        return cache[k].removeListener(handler);
      });
    };
  }, []);
  return value;
});