l7hammerjs/src/utils/env.js

A javascript library for multi-touch gestures

// 判断支付宝小程序环境
export const isMiniAli = typeof my !== 'undefined' && !!my && typeof my.showToast === 'function';
// 判断微信小程序环境
export const isWeChatMiniProgram = typeof wx !== 'undefined' && wx !== null && (typeof wx.request !== 'undefined' || typeof wx.miniProgram !== 'undefined');

export const isMini = isMiniAli || isWeChatMiniProgram;