start implementation of ui-scripts

scm-ui/ui-scripts/src/middleware/ContextPathMiddleware.js

@@ -0,0 +1,11 @@
+function crateContextPathMiddleware(contextPath) {
+  return function(req, resp, next) {
+    const url = req.url;
+    if (url.indexOf(contextPath) === 0) {
+      req.url = url.substr(contextPath.length);
+    }
+    next();
+  }
+}
+
+module.exports = crateContextPathMiddleware;

scm-ui/ui-scripts/src/middleware/IndexMiddleware.js

@@ -0,0 +1,20 @@
+const mustache = require("mustache");
+const fs = require("fs");
+// disable escaping
+mustache.escape = function(text) {
+  return text;
+};
+
+function createIndexMiddleware(file, params) {
+  const template = fs.readFileSync(file, { encoding: "UTF-8" });
+  return function(req, resp, next) {
+    if (req.url === "/index.html") {
+      const content = mustache.render(template, params);
+      resp.send(content);
+    } else {
+      next();
+    }
+  }
+}
+
+module.exports = createIndexMiddleware;