docs: improve API testing feature (#7311)

www/packages/docs-ui/src/utils/set-obj-value.ts

@@ -0,0 +1,38 @@
+type Params = {
+  obj: Record<string, unknown>
+  value: unknown
+  path: string
+}
+
+export default function setObjValue({
+  obj,
+  value,
+  path,
+}: Params): Record<string, unknown> {
+  // split path by delimiter
+  const splitPath = path.split(".")
+  const targetKey = splitPath[0]
+
+  if (!Object.hasOwn(obj, targetKey)) {
+    obj[targetKey] = {}
+  }
+
+  if (splitPath.length === 1) {
+    obj[targetKey] = value
+    return obj
+  }
+
+  if (typeof obj[targetKey] !== "object") {
+    throw new Error(
+      `value of ${targetKey} is not an object, so can't set nested value`
+    )
+  }
+
+  setObjValue({
+    obj: obj[targetKey] as Record<string, unknown>,
+    value,
+    path: splitPath.slice(1).join("."),
+  })
+
+  return obj
+}