All files / utils inBrowser.ts

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let yes!: boolean
 
/**
 * 检查是否在浏览器环境中。
 *
 * @returns 返回检查结果
 * @example
 * ```typescript
 * if (inBrowser()) {
 *   console.log('你在浏览器中')
 * }
 * ```
 */
export function inBrowser(): boolean {
  if (yes == null) {
    yes =
      typeof window === 'object' &&
      typeof window.document === 'object' &&
      window.document.nodeType === 9
  }
  return yes
}