environment.ts

import React from "react";

export const IS_REACT_VERSION_17_OR_ABOVE =
  parseInt(React.version.split(".")[0], 10) >= 17;

export const IS_IOS =
  typeof navigator !== "undefined" &&
  typeof window !== "undefined" &&
  /iPad|iPhone|iPod/.test(navigator.userAgent) &&
  !window["MSStream"];

export const IS_APPLE =
  typeof navigator !== "undefined" && /Mac OS X/.test(navigator.userAgent);

export const IS_ANDROID =
  typeof navigator !== "undefined" && /Android/.test(navigator.userAgent);

export const IS_FIREFOX =
  typeof navigator !== "undefined" &&
  /^(?!.*Seamonkey)(?=.*Firefox).*/i.test(navigator.userAgent);

export const IS_SAFARI =
  typeof navigator !== "undefined" &&
  /Version\/[\d\.]+.*Safari/.test(navigator.userAgent);

// "modern" Edge was released at 79.x
export const IS_EDGE_LEGACY =
  typeof navigator !== "undefined" &&
  /Edge?\/(?:[0-6][0-9]|[0-7][0-8])(?:\.)/i.test(navigator.userAgent);

export const IS_CHROME =
  typeof navigator !== "undefined" && /Chrome/i.test(navigator.userAgent);

// Native `beforeInput` events don't work well with react on Chrome 75
// and older, Chrome 76+ can use `beforeInput` though.
export const IS_CHROME_LEGACY =
  typeof navigator !== "undefined" &&
  /Chrome?\/(?:[0-7][0-5]|[0-6][0-9])(?:\.)/i.test(navigator.userAgent);

// Firefox did not support `beforeInput` until `v87`.
export const IS_FIREFOX_LEGACY =
  typeof navigator !== "undefined" &&
  /^(?!.*Seamonkey)(?=.*Firefox\/(?:[0-7][0-9]|[0-8][0-6])(?:\.)).*/i.test(
    navigator.userAgent
  );

// qq browser
export const IS_QQBROWSER =
  typeof navigator !== "undefined" && /.*QQBrowser/.test(navigator.userAgent);

// UC mobile browser
export const IS_UC_MOBILE =
  typeof navigator !== "undefined" && /.*UCBrowser/.test(navigator.userAgent);

// Wechat browser
export const IS_WECHATBROWSER =
  typeof navigator !== "undefined" && /.*Wechat/.test(navigator.userAgent);

// Check if DOM is available as React does internally.
// https://github.com/facebook/react/blob/master/packages/shared/ExecutionEnvironment.js
export const CAN_USE_DOM = !!(
  typeof window !== "undefined" &&
  typeof window.document !== "undefined" &&
  typeof window.document.createElement !== "undefined"
);

// COMPAT: Firefox/Edge Legacy don't support the `beforeinput` event
// Chrome Legacy doesn't support `beforeinput` correctly
export const HAS_BEFORE_INPUT_SUPPORT =
  !IS_CHROME_LEGACY &&
  !IS_EDGE_LEGACY &&
  // globalThis is undefined in older browsers
  typeof globalThis !== "undefined" &&
  globalThis.InputEvent &&
  // @ts-ignore The `getTargetRanges` property isn't recognized.
  typeof globalThis.InputEvent.prototype.getTargetRanges === "function";