Define is_truthy in terms of is_falsy

Author: ThomasdenH

crates/cli-support/src/intrinsic.rs

@@ -85,9 +85,6 @@ intrinsics! {
         #[symbol = "__wbindgen_is_string"]
         #[signature = fn(ref_anyref()) -> Boolean]
         IsString,
-        #[symbol = "__wbindgen_is_truthy"]
-        #[signature = fn(ref_anyref()) -> Boolean]
-        IsTruthy,
         #[symbol = "__wbindgen_is_falsy"]
         #[signature = fn(ref_anyref()) -> Boolean]
         IsFalsy,

crates/cli-support/src/js/mod.rs

@@ -2299,11 +2299,6 @@ impl<'a> Context<'a> {
                 format!("typeof({}) === 'string'", args[0])
             }
 
-            Intrinsic::IsTruthy => {
-                assert_eq!(args.len(), 1);
-                format!("!!{}", args[0])
-            }
-
             Intrinsic::IsFalsy => {
                 assert_eq!(args.len(), 1);
                 format!("!{}", args[0])

src/lib.rs

@@ -333,15 +333,15 @@ impl JsValue {
     }
 
     /// Tests whether the value is ["truthy"].
-    /// 
+    ///
     /// ["truthy"]: https://developer.mozilla.org/en-US/docs/Glossary/Truthy
     #[inline]
     pub fn is_truthy(&self) -> bool {
-        unsafe { __wbindgen_is_truthy(self.idx) == 1 }
+        !self.is_falsy()
     }
 
     /// Tests whether the value is ["falsy"].
-    /// 
+    ///
     /// ["falsy"]: https://developer.mozilla.org/en-US/docs/Glossary/Falsy
     #[inline]
     pub fn is_falsy(&self) -> bool {
@@ -518,7 +518,6 @@ externs! {
         fn __wbindgen_is_object(idx: u32) -> u32;
         fn __wbindgen_is_function(idx: u32) -> u32;
         fn __wbindgen_is_string(idx: u32) -> u32;
-        fn __wbindgen_is_truthy(idx: u32) -> u32;
         fn __wbindgen_is_falsy(idx: u32) -> u32;
 
         fn __wbindgen_number_get(idx: u32, invalid: *mut u8) -> f64;