Chore: support theme configuration (#15190)

examples/components/theme/loader/api.js

@@ -0,0 +1,20 @@
+import Element from 'main/index.js';
+import { post, get } from './ajax';
+
+const { version } = Element;
+
+const hostList = {
+  local: 'http://localhost:3008/',
+  alpha: 'https://ssr.alpha.elenet.me/element-theme-server/',
+  production: 'https://ssr.elenet.me/element-theme-server/'
+};
+
+const host = hostList[process.env.FAAS_ENV] || hostList.production;
+
+export const getVars = () => {
+  return get(`${host}getVariable?version=${version}`);
+};
+
+export const updateVars = (data, cb) => {
+  return post(`${host}updateVariable?version=${version}`, data, cb);
+};