rewrite

rewriter/wasm/src/error.rs

@@ -0,0 +1,49 @@
+use js_sys::Error;
+use rewriter::RewriterError as InnerRewriterError;
+use thiserror::Error;
+use wasm_bindgen::{JsError, JsValue};
+
+#[derive(Debug, Error)]
+pub enum RewriterError {
+    #[error("JS: {0}")]
+    Js(String),
+    #[error("URL parse error: {0}")]
+    Url(#[from] url::ParseError),
+    #[error("str fromutf8 error: {0}")]
+    Str(#[from] std::str::Utf8Error),
+    #[error("Rewriter: {0}")]
+    Rewriter(#[from] InnerRewriterError),
+    #[error("reflect set failed: {0}")]
+    ReflectSetFail(String),
+
+    #[error("{0} was not {1}")]
+    Not(String, &'static str),
+}
+
+impl From<JsValue> for RewriterError {
+    fn from(value: JsValue) -> Self {
+        Self::Js(Error::from(value).to_string().into())
+    }
+}
+
+impl From<RewriterError> for JsValue {
+    fn from(value: RewriterError) -> Self {
+        JsError::from(value).into()
+    }
+}
+
+impl RewriterError {
+    pub fn not_str(x: &str) -> Self {
+        Self::Not(x.to_string(), "string")
+    }
+
+    pub fn not_fn(x: &str) -> Self {
+        Self::Not(x.to_string(), "function")
+    }
+
+    pub fn not_bool(x: &str) -> Self {
+        Self::Not(x.to_string(), "bool")
+    }
+}
+
+pub type Result<T> = std::result::Result<T, RewriterError>;