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wx.request 请求体和返回增加泛型

Open Arbureva opened this issue 9 months ago • 1 comments

注意看代码中的 OUTIN,这样做的好处是不需要额外的使用 as 语句了


async function CustomRequest<

	OUT extends string | WechatMiniprogram.IAnyObject | ArrayBuffer =
	| string
	| WechatMiniprogram.IAnyObject
	| ArrayBuffer,

	IN extends string | WechatMiniprogram.IAnyObject | ArrayBuffer =
	| string
	| WechatMiniprogram.IAnyObject
	| ArrayBuffer

>({ data, url, method }: PostTempOptions<IN>, options?: API.IRequestOptions): Promise<OUT> {
	// 没有token就赋值,避免每次都从缓存中获取,缓存获取数据非常消耗时间

	if (!token || options?.refreshToken) {
		token = wx.getStorageSync('token');
	}

	return new Promise((resolve, reject) => {
                // NOTE: 主要看这里,OUT请求回调,IN则是附带数据
		wx.request<ResponseCallback<OUT>, IN>({
			url: PREFIX + url,
			header: { Authorization: 'Bearer ' + token },
			method: method ?? 'POST',
			data: data,
			timeout: 2000,
			success: (res) => {
				if (res.data.error_code === 401) {
					reject(new RequestError('请登录', 401))
				}

				if (!res.data.success) {
					reject(new RequestError(res.data.error_message!, res.data.error_code!))
				}

				resolve(res.data.data)
			},
			fail: (err) => {
				reject(err)
			}
		});
	})
}

Arbureva avatar May 15 '24 12:05 Arbureva