Update API client and add support for JSX component functions (#297)

* Support calling functions in JSX to build component

* Update api client with latest OpenAPI spec

.changeset/beige-dragons-allow.md

@@ -0,0 +1,5 @@
+---
+'@gitbook/runtime': minor
+---
+
+Add support for using functions as components in JSX

.changeset/two-chefs-judge.md

@@ -0,0 +1,5 @@
+---
+'@gitbook/api': minor
+---
+
+Update api client with latest OpenAPI spec

packages/runtime/src/contentkit-jsx.ts

@@ -8,7 +8,7 @@ export function Fragment() {
 /**
  * JSX factory function, to be exported from the JSX package entry point.
  */
-export function jsx(type: string | typeof Fragment, props: object) {
+export function jsx(type: string | typeof Fragment | ((props: object) => any), props: object) {
     let { children } = props;
 
     if (typeof children !== 'undefined' && !Array.isArray(children)) {
@@ -22,6 +22,10 @@ export function jsx(type: string | typeof Fragment, props: object) {
         return children;
     }
 
+    if (typeof type === 'function') {
+        return type(props);
+    }
+
     return {
         type,
         ...props,