refactor lbrytv web server

ui/util/form-validation.js

@@ -0,0 +1,20 @@
+// @flow
+import { regexAddress } from 'lbry-redux';
+
+type DraftTxValues = {
+  address: string,
+  // amount: number
+};
+
+export const validateSendTx = (formValues: DraftTxValues) => {
+  const { address } = formValues;
+  const errors = {};
+
+  // All we need to check is if the address is valid
+  // If values are missing, users wont' be able to submit the form
+  if (!process.env.NO_ADDRESS_VALIDATION && !regexAddress.test(address)) {
+    errors.address = __('Not a valid LBRY address');
+  }
+
+  return errors;
+};