119 lines
3.3 KiB
TypeScript
119 lines
3.3 KiB
TypeScript
export type WecomCsSessionContext = {
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orderId?: string;
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orderNo?: string;
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from?: string;
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};
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type OpenCsChatOption = {
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extInfo: { url: string };
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corpId: string;
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showMessageCard?: boolean;
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sendMessageTitle?: string;
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sendMessagePath?: string;
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};
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type WxCsFail = { errMsg?: string; errCode?: number };
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type WxCsChat = {
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openCustomerServiceChat?: (
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option: OpenCsChatOption & {
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success?: () => void;
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fail?: (err: WxCsFail) => void;
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},
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) => void;
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};
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/**
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* 取小程序原生 wx.openCustomerServiceChat。
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* 官方不支持 Promise 风格；Taro 模块作用域下也可能读不到全局 wx。
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*/
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function getWxOpenCsChat(): WxCsChat['openCustomerServiceChat'] | null {
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if (process.env.TARO_ENV !== 'weapp') return null;
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const candidates: Array<WxCsChat | null | undefined> = [];
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try {
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// eslint-disable-next-line no-undef
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if (typeof wx !== 'undefined') candidates.push(wx as WxCsChat);
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} catch {
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/* ignore */
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}
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candidates.push((globalThis as typeof globalThis & { wx?: WxCsChat }).wx);
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try {
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const fromRuntime = new Function(
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'return typeof wx !== "undefined" ? wx : null',
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)() as WxCsChat | null;
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candidates.push(fromRuntime);
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} catch {
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/* ignore */
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}
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for (const api of candidates) {
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if (api && typeof api.openCustomerServiceChat === 'function') {
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return api.openCustomerServiceChat.bind(api);
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}
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}
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return null;
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}
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function rawCsError(err: unknown): string {
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if (err instanceof Error) return err.message;
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if (typeof err === 'string') return err;
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if (err && typeof err === 'object' && 'errMsg' in err) {
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return String((err as WxCsFail).errMsg || '');
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}
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return '';
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}
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/** 把微信 fail 转成可读提示；用户取消返回空串，调用方不 toast */
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export function formatOpenCsError(err: unknown): string {
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const raw = rawCsError(err);
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if (/cancel/i.test(raw)) return '';
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if (/not bind|not bound/i.test(raw)) {
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return '企业ID未绑定当前小程序。请到微信公众平台「功能 → 客服 → 微信客服」填写同一企业ID';
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}
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if (!raw || /openCustomerServiceChat:fail$/i.test(raw.trim())) {
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return '无法打开微信客服。开发者工具模拟器通常不可用，请用真机预览';
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}
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return raw;
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}
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/** 小程序调起企业微信「微信客服」会话 */
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export async function openWecomCustomerServiceChat(params: {
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url: string;
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corpId: string;
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session?: WecomCsSessionContext;
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}): Promise<void> {
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const url = params.url.trim();
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const corpId = params.corpId.trim();
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if (!url || !corpId) {
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throw new Error('企微客服未配置');
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}
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const wxApi = getWxOpenCsChat();
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if (!wxApi) {
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throw new Error('当前微信版本不支持企业微信客服');
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}
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const option: OpenCsChatOption = {
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extInfo: { url },
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corpId,
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};
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if (params.session?.orderNo || params.session?.orderId) {
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option.showMessageCard = true;
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option.sendMessageTitle = params.session.orderNo
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? `订单 ${params.session.orderNo}`
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: '订单咨询';
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if (params.session.orderId) {
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option.sendMessagePath = `pages/order-detail/index?id=${params.session.orderId}`;
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}
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}
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await new Promise<void>((resolve, reject) => {
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wxApi({
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...option,
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success: () => resolve(),
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fail: (err) => reject(err),
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});
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});
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}
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