Fix the leak in API where KeyRange returns idb::Error

src/key_range.rs

@@ -0,0 +1,83 @@
+use idb::{KeyRange as IdbKeyRange, Query};
+use wasm_bindgen::JsValue;
+
+use crate::Error;
+
+/// Represents a continuous interval over some data type that is used for keys.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct KeyRange {
+    inner: IdbKeyRange,
+}
+
+impl KeyRange {
+    /// Returns a new [`KeyRange`] spanning only key.
+    pub fn only(value: &JsValue) -> Result<Self, Error> {
+        IdbKeyRange::only(value).map(Into::into).map_err(Into::into)
+    }
+
+    /// Returns a new [`KeyRange`] spanning from lower to upper. If `lower_open` is true, `lower` is not included in the
+    /// range. If `upper_open` is true, `upper` is not included in the range.
+    pub fn bound(
+        lower: &JsValue,
+        upper: &JsValue,
+        lower_open: Option<bool>,
+        upper_open: Option<bool>,
+    ) -> Result<Self, Error> {
+        IdbKeyRange::bound(lower, upper, lower_open, upper_open)
+            .map(Into::into)
+            .map_err(Into::into)
+    }
+
+    /// Returns a new [`KeyRange`] starting at key with no upper bound. If `lower_open` is true, key is not included in
+    /// the range.
+    pub fn lower_bound(lower: &JsValue, lower_open: Option<bool>) -> Result<Self, Error> {
+        IdbKeyRange::lower_bound(lower, lower_open)
+            .map(Into::into)
+            .map_err(Into::into)
+    }
+
+    /// Returns a new [`KeyRange`] with no lower bound and ending at key. If `upper_open` is true, key is not included
+    /// in the range.
+    pub fn upper_bound(upper: &JsValue, upper_open: Option<bool>) -> Result<Self, Error> {
+        IdbKeyRange::upper_bound(upper, upper_open)
+            .map(Into::into)
+            .map_err(Into::into)
+    }
+
+    /// Returns the range’s lower bound, or undefined if none.
+    pub fn lower(&self) -> Result<JsValue, Error> {
+        self.inner.lower().map_err(Into::into)
+    }
+
+    /// Returns the range’s upper bound, or undefined if none.
+    pub fn upper(&self) -> Result<JsValue, Error> {
+        self.inner.upper().map_err(Into::into)
+    }
+
+    /// Returns the range’s lower open flag.
+    pub fn lower_open(&self) -> bool {
+        self.inner.lower_open()
+    }
+
+    /// Returns the range’s upper open flag.
+    pub fn upper_open(&self) -> bool {
+        self.inner.upper_open()
+    }
+
+    /// Returns true if key is included in the range, and false otherwise.
+    pub fn includes(&self, value: &JsValue) -> Result<bool, Error> {
+        self.inner.includes(value).map_err(Into::into)
+    }
+}
+
+impl From<IdbKeyRange> for KeyRange {
+    fn from(inner: IdbKeyRange) -> Self {
+        Self { inner }
+    }
+}
+
+impl From<KeyRange> for Query {
+    fn from(key_range: KeyRange) -> Self {
+        key_range.inner.into()
+    }
+}

src/lib.rs

@@ -99,18 +99,18 @@
 //! ```
 mod error;
 mod index;
+mod key_range;
 mod object_store;
 mod rexie;
 mod rexie_builder;
 mod transaction;
 
-pub use idb::{
-    CursorDirection as Direction, KeyPath, KeyRange, TransactionMode, TransactionResult,
-};
+pub use idb::{CursorDirection as Direction, KeyPath, TransactionMode, TransactionResult};
 
 pub use self::{
     error::{Error, Result},
     index::Index,
+    key_range::KeyRange,
     object_store::ObjectStore,
     rexie::Rexie,
     rexie_builder::RexieBuilder,