Use u32 params for String.from_char_code bindings

crates/js-sys/src/lib.rs

@@ -2950,23 +2950,23 @@ extern "C" {
     /// There are a few bindings to `from_char_code` in `js-sys`: `from_char_code1`, `from_char_code2`, etc...
     /// with different arities.
     #[wasm_bindgen(static_method_of = JsString, js_class = "String", js_name = fromCharCode)]
-    pub fn from_char_code1(a: f64) -> JsString;
+    pub fn from_char_code1(a: u32) -> JsString;
 
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
     #[wasm_bindgen(static_method_of = JsString, js_class = "String", js_name = fromCharCode)]
-    pub fn from_char_code2(a: f64, b: f64) -> JsString;
+    pub fn from_char_code2(a: u32, b: u32) -> JsString;
 
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
     #[wasm_bindgen(static_method_of = JsString, js_class = "String", js_name = fromCharCode)]
-    pub fn from_char_code3(a: f64, b: f64, c: f64) -> JsString;
+    pub fn from_char_code3(a: u32, b: u32, c: u32) -> JsString;
 
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
     #[wasm_bindgen(static_method_of = JsString, js_class = "String", js_name = fromCharCode)]
-    pub fn from_char_code4(a: f64, b: f64, c: f64, d: f64) -> JsString;
+    pub fn from_char_code4(a: u32, b: u32, c: u32, d: u32) -> JsString;
 
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
     #[wasm_bindgen(static_method_of = JsString, js_class = "String", js_name = fromCharCode)]
-    pub fn from_char_code5(a: f64, b: f64, c: f64, d: f64, e: f64) -> JsString;
+    pub fn from_char_code5(a: u32, b: u32, c: u32, d: u32, e: u32) -> JsString;
 
     /// The `includes()` method determines whether one string may be found
     /// within another string, returning true or false as appropriate.

crates/js-sys/tests/wasm/JsString.rs

@@ -61,8 +61,8 @@ fn ends_with() {
 #[wasm_bindgen_test]
 fn from_char_code() {
     let s = "½+¾=";
-    let codes : Vec<f64> = s.chars()
+    let codes : Vec<u32> = s.chars()
-        .map(|char| char as u32 as f64)
+        .map(|char| char as u32)
         .collect();
 
     assert_eq!(JsString::from_char_code1(codes[0]), "½");