@wordpress/compose/build/hooks/use-media-query/index.js

WordPress higher-order components (HOCs).

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/compose/src/hooks/use-media-query/index.js
var use_media_query_exports = {};
__export(use_media_query_exports, {
  default: () => useMediaQuery
});
module.exports = __toCommonJS(use_media_query_exports);
var import_element = require("@wordpress/element");
var matchMediaCache = /* @__PURE__ */ new Map();
function getMediaQueryList(query) {
  if (!query) {
    return null;
  }
  let match = matchMediaCache.get(query);
  if (match) {
    return match;
  }
  if (typeof window !== "undefined" && typeof window.matchMedia === "function") {
    match = window.matchMedia(query);
    matchMediaCache.set(query, match);
    return match;
  }
  return null;
}
function useMediaQuery(query) {
  const source = (0, import_element.useMemo)(() => {
    const mediaQueryList = getMediaQueryList(query);
    return {
      /** @type {(onStoreChange: () => void) => () => void} */
      subscribe(onStoreChange) {
        if (!mediaQueryList) {
          return () => {
          };
        }
        mediaQueryList.addEventListener?.("change", onStoreChange);
        return () => {
          mediaQueryList.removeEventListener?.(
            "change",
            onStoreChange
          );
        };
      },
      getValue() {
        return mediaQueryList?.matches ?? false;
      }
    };
  }, [query]);
  return (0, import_element.useSyncExternalStore)(
    source.subscribe,
    source.getValue,
    () => false
  );
}
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