Fix for #4440, fixing validation of API endpoints.

packages/bbui/src/ButtonGroup/ButtonGroup.svelte

@@ -1,6 +1,16 @@
 <script>
   import "@spectrum-css/buttongroup/dist/index-vars.css"
   export let vertical = false
+  export let gap = ""
+
+  $: gapStyle =
+    gap === "L"
+      ? "var(--spacing-l)"
+      : gap === "M"
+      ? "var(--spacing-m)"
+      : gap === "S"
+      ? "var(--spacing-s)"
+      : null
 
   function group(element) {
     const buttons = Array.from(element.getElementsByTagName("button"))
@@ -14,6 +24,7 @@
   use:group
   class="spectrum-ButtonGroup"
   class:spectrum-ButtonGroup--vertical={vertical}
+  style={gapStyle ? `gap: ${gapStyle};` : null}
 >
   <slot />
 </div>

packages/builder/src/components/integration/QueryViewer.svelte

@@ -39,7 +39,7 @@
   $: datasource = $datasources.list.find(ds => ds._id === query.datasourceId)
   $: query.schema = fieldsToSchema(fields)
   $: datasourceType = datasource?.source
-  $: integrationInfo = $integrations[datasourceType]
+  $: integrationInfo = datasourceType ? $integrations[datasourceType] : null
   $: queryConfig = integrationInfo?.query
   $: shouldShowQueryConfig = queryConfig && query.queryVerb
   $: readQuery = query.queryVerb === "read" || query.readable
@@ -160,7 +160,7 @@
     </div>
     <div class="viewer-controls">
       <Heading size="S">Results</Heading>
-      <ButtonGroup>
+      <ButtonGroup gap="M">
         <Button cta disabled={queryInvalid} on:click={saveQuery}>
           Save Query
         </Button>

packages/server/src/api/controllers/query/validation.js

@@ -1,6 +1,8 @@
 const joiValidator = require("../../../middleware/joi-validator")
 const Joi = require("joi")
 
+const OPTIONAL_STRING = Joi.string().optional().allow(null).allow("")
+
 exports.queryValidation = () => {
   return Joi.object({
     _id: Joi.string(),
@@ -18,7 +20,7 @@ exports.queryValidation = () => {
     queryVerb: Joi.string().allow().required(),
     extra: Joi.object().optional(),
     schema: Joi.object({}).required().unknown(true),
-    transformer: Joi.string().optional(),
+    transformer: OPTIONAL_STRING,
     flags: Joi.object().optional(),
   })
 }
@@ -31,18 +33,18 @@ exports.generateQueryValidation = () => {
 exports.generateQueryPreviewValidation = () => {
   // prettier-ignore
   return joiValidator.body(Joi.object({
-    _id: Joi.string().optional(),
-    _rev: Joi.string().optional(),
+    _id: OPTIONAL_STRING,
+    _rev: OPTIONAL_STRING,
     readable: Joi.boolean().optional(),
     fields: Joi.object().required(),
-    queryVerb: Joi.string().allow().required(),
-    name: Joi.string().required(),
+    queryVerb: Joi.string().required(),
+    name: OPTIONAL_STRING,
     flags: Joi.object().optional(),
     schema: Joi.object().optional(),
     extra: Joi.object().optional(),
     datasourceId: Joi.string().required(),
-    transformer: Joi.string().optional(),
+    transformer: OPTIONAL_STRING,
     parameters: Joi.object({}).required().unknown(true),
-    queryId: Joi.string().optional(),
+    queryId: OPTIONAL_STRING,
   }))
 }