Initial Nuxt data explorer setup

nuxt4-app/server/services/query-runner.ts

@@ -0,0 +1,34 @@
+import type { ParsedQuery } from '../data-sources/types'
+
+type PostgrestOperator = 'eq' | 'neq' | 'gt' | 'gte' | 'lt' | 'lte' | 'like' | 'ilike'
+
+export function applyParsedQuery(builder: any, parsed: ParsedQuery | null) {
+  if (!parsed) {
+    return builder
+  }
+
+  for (const filter of parsed.filters) {
+    const operator: PostgrestOperator = (filter.operator ?? 'eq') as PostgrestOperator
+
+    if (typeof builder[operator] === 'function') {
+      const value = operator === 'like' || operator === 'ilike' ? String(filter.value) : filter.value
+      builder = builder[operator](filter.field, value)
+    }
+  }
+
+  if (parsed.orderBy && typeof builder.order === 'function') {
+    builder = builder.order(parsed.orderBy.field, {
+      ascending: parsed.orderBy.ascending !== false
+    })
+  }
+
+  if (parsed.limit && parsed.offset !== undefined && typeof builder.range === 'function') {
+    const from = parsed.offset
+    const to = parsed.offset + parsed.limit - 1
+    builder = builder.range(from, to)
+  } else if (parsed.limit && typeof builder.limit === 'function') {
+    builder = builder.limit(parsed.limit)
+  }
+
+  return builder
+}