feat: React.createElement

Author: EqualMa

src/element.rs

@@ -0,0 +1,20 @@
+use wasm_bindgen::prelude::*;
+
+crate::macro_import::wasm_bindgen_react! {
+    pub type Element;
+    #[wasm_bindgen(structural, method, getter = r#type)]
+    pub fn kind(this: &Element) -> JsValue;
+
+    #[wasm_bindgen(js_namespace = React, js_name = createElement)]
+    pub fn create_element_no_props(element_type: &JsValue) -> Element;
+
+    #[wasm_bindgen(js_namespace = React, js_name = createElement)]
+    pub fn create_element_with_props(element_type: &JsValue, props: JsValue) -> Element;
+
+    #[wasm_bindgen(variadic, js_namespace = React, js_name = createElement)]
+    pub fn create_element(
+        element_type: &JsValue,
+        props: JsValue,
+        children: js_sys::Array,
+    ) -> Element;
+}

src/lib.rs

@@ -1,7 +1,3 @@
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
-    }
-}
+mod element;
+mod macro_import;
+pub use element::*;

src/macro_import.rs

@@ -0,0 +1,21 @@
+#[cfg(feature = "import-react")]
+macro_rules! wasm_bindgen_react {
+    ($($b:item)+) => {
+        #[wasm_bindgen]
+        extern "C" {
+            $($b)+
+        }
+    };
+}
+
+#[cfg(not(feature = "import-react"))]
+macro_rules! wasm_bindgen_react {
+    ($($b:item)+) => {
+        #[wasm_bindgen(inline_js = r#"export * as React from "react";"#)]
+        extern "C" {
+            $($b)+
+        }
+    };
+}
+
+pub(crate) use wasm_bindgen_react;