re-structure to monorepo.

packages/webapp/src/services/yup.tsx

@@ -0,0 +1,23 @@
+// @ts-nocheck
+import * as Yup from 'yup';
+
+Yup.addMethod(Yup.string, 'digits', function () {
+  return this.test(
+    'is-digits',
+    '${path} should be digits only.',
+    value => /^(0|[1-9]\d*)$/.test(value),
+  );
+});
+
+Yup.addMethod(Yup.number, 'decimalScale', function(scale) {
+  return this.test(
+    'numeric-length',
+    '${path} should decimal length ',
+    (value) => {
+      const reg = new RegExp(/^(?:\d{1,13}|(?!.{15})\d+\.\d+)$/);
+      return reg.test(value);
+    },
+  );
+})
+
+export default Yup;