Transform code base to typescript

Change-Id: Ia1f862fb5962ddd54b8d7643abbc39bb314d1f8e

src/synapse/synapse.ts

@@ -0,0 +1,60 @@
+import { fetchUtils } from "react-admin";
+
+export const splitMxid = mxid => {
+  const re =
+    /^@(?<name>[a-zA-Z0-9._=\-/]+):(?<domain>[a-zA-Z0-9\-.]+\.[a-zA-Z]+)$/;
+  return re.exec(mxid)?.groups;
+};
+
+export const isValidBaseUrl = baseUrl =>
+  /^(http|https):\/\/[a-zA-Z0-9\-.]+(:\d{1,5})?$/.test(baseUrl);
+
+/**
+ * Resolve the homeserver URL using the well-known lookup
+ * @param domain  the domain part of an MXID
+ * @returns homeserver base URL
+ */
+export const getWellKnownUrl = async domain => {
+  const wellKnownUrl = `https://${domain}/.well-known/matrix/client`;
+  try {
+    const json = await fetchUtils.fetchJson(wellKnownUrl, { method: "GET" });
+    return json["m.homeserver"].base_url;
+  } catch {
+    // if there is no .well-known entry, return the domain itself
+    return `https://${domain}`;
+  }
+};
+
+/**
+ * Get synapse server version
+ * @param base_url  the base URL of the homeserver
+ * @returns server version
+ */
+export const getServerVersion = async baseUrl => {
+  const versionUrl = `${baseUrl}/_synapse/admin/v1/server_version`;
+  const response = await fetchUtils.fetchJson(versionUrl, { method: "GET" });
+  return response.json.server_version;
+};
+
+/** Get supported Matrix features */
+export const getSupportedFeatures = async baseUrl => {
+  const versionUrl = `${baseUrl}/_matrix/client/versions`;
+  const response = await fetchUtils.fetchJson(versionUrl, { method: "GET" });
+  return response.json;
+};
+
+/**
+ * Get supported login flows
+ * @param baseUrl  the base URL of the homeserver
+ * @returns array of supported login flows
+ */
+export const getSupportedLoginFlows = async baseUrl => {
+  const loginFlowsUrl = `${baseUrl}/_matrix/client/r0/login`;
+  const response = await fetchUtils.fetchJson(loginFlowsUrl, { method: "GET" });
+  return response.json.flows;
+};
+
+export const getMediaUrl = media_id => {
+  const baseUrl = localStorage.getItem("base_url");
+  return `${baseUrl}/_matrix/media/v1/download/${media_id}?allow_redirect=true`;
+};