react-browser-zoom/dist/index.js

A React hook to monitor browser zoom level via devicePixelRatio.

"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);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  useBrowserZoom: () => useBrowserZoom
});
module.exports = __toCommonJS(index_exports);

// src/useBrowserZoom.ts
var import_react = require("react");
var getDpr = () => {
  return typeof window !== "undefined" ? window.devicePixelRatio || 1 : 1;
};
function useBrowserZoom() {
  const [dpr, setDpr] = (0, import_react.useState)(getDpr);
  const handleResizeOrZoom = (0, import_react.useCallback)(() => {
    const currentDpr = getDpr();
    setDpr((prevDpr) => {
      if (prevDpr !== currentDpr) {
        return currentDpr;
      }
      return prevDpr;
    });
  }, []);
  (0, import_react.useEffect)(() => {
    handleResizeOrZoom();
    window.addEventListener("resize", handleResizeOrZoom);
    return () => {
      window.removeEventListener("resize", handleResizeOrZoom);
    };
  }, [handleResizeOrZoom]);
  return dpr;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  useBrowserZoom
});
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