47 lines
1.0 KiB
TypeScript
47 lines
1.0 KiB
TypeScript
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/**
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* 微信小游戏工具函数
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*/
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/**
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* 获取微信全局对象
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*/
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export function getWx(): WechatMinigame.Wx {
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if (typeof wx === 'undefined') {
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throw new Error('当前环境不是微信小游戏环境');
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}
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return wx;
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}
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/**
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* 检测当前是否为微信小游戏环境
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*/
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export function isWeChatMiniGame(): boolean {
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try {
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if (typeof wx === 'undefined') {
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return false;
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}
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const wxObj = wx as WechatMinigame.Wx;
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return typeof wxObj.getWindowInfo === 'function' &&
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typeof wxObj.createCanvas === 'function' &&
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typeof wxObj.createImage === 'function';
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} catch {
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return false;
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}
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}
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/**
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* 将微信回调风格 API 转换为 Promise
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*/
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export function promisify<T>(
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fn: (options: any) => void,
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options: any = {}
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): Promise<T> {
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return new Promise((resolve, reject) => {
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fn({
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...options,
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success: (res: T) => resolve(res),
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fail: (err: any) => reject(err)
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});
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});
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}
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