feat: last run frontend (#21369)

The frontend of feat: Persist Variables for Enhanced Debugging Workflow (#20699).

Co-authored-by: jZonG <jzongcode@gmail.com>

web/app/components/workflow/variable-inspect/utils.tsx

@@ -0,0 +1,33 @@
+import { z } from 'zod'
+
+const arrayStringSchemaParttern = z.array(z.string())
+const arrayNumberSchemaParttern = z.array(z.number())
+
+// # jsonSchema from https://zod.dev/?id=json-type
+const literalSchema = z.union([z.string(), z.number(), z.boolean(), z.null()])
+type Literal = z.infer<typeof literalSchema>
+type Json = Literal | { [key: string]: Json } | Json[]
+const jsonSchema: z.ZodType<Json> = z.lazy(() => z.union([literalSchema, z.array(jsonSchema), z.record(jsonSchema)]))
+const arrayJsonSchema: z.ZodType<Json[]> = z.lazy(() => z.array(jsonSchema))
+
+export const validateJSONSchema = (schema: any, type: string) => {
+  if (type === 'array[string]') {
+    const result = arrayStringSchemaParttern.safeParse(schema)
+    return result
+  }
+  else if (type === 'array[number]') {
+    const result = arrayNumberSchemaParttern.safeParse(schema)
+    return result
+  }
+  else if (type === 'object') {
+    const result = jsonSchema.safeParse(schema)
+    return result
+  }
+  else if (type === 'array[object]') {
+    const result = arrayJsonSchema.safeParse(schema)
+    return result
+  }
+  else {
+    return { success: true } as any
+  }
+}