Add overloads with endianness parameter to DataView gets and sets

crates/js-sys/src/lib.rs

@@ -541,6 +541,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getInt16)]
     pub fn get_int16(this: &DataView, byte_offset: usize) -> i16;
 
+    /// The getInt16() method gets a signed 16-bit integer (byte) at the specified
+    /// byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt16)
+    #[wasm_bindgen(method, js_name = getInt16)]
+    pub fn get_int16_endian(this: &DataView, byte_offset: usize, little_endian: bool) -> i16;
+
     /// The getUint16() an unsigned 16-bit integer (unsigned byte) at the specified
     /// byte offset from the start of the view.
     ///
@@ -548,6 +555,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getUint16)]
     pub fn get_uint16(this: &DataView, byte_offset: usize) -> u16;
 
+    /// The getUint16() an unsigned 16-bit integer (unsigned byte) at the specified
+    /// byte offset from the start of the view.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint16)
+    #[wasm_bindgen(method, js_name = getUint16)]
+    pub fn get_uint16_endian(this: &DataView, byte_offset: usize, little_endian: bool) -> u16;
+
     /// The getInt32() method gets a signed 16-bit integer (byte) at the specified
     /// byte offset from the start of the DataView.
     ///
@@ -555,6 +569,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getInt32)]
     pub fn get_int32(this: &DataView, byte_offset: usize) -> i32;
 
+    /// The getInt32() method gets a signed 16-bit integer (byte) at the specified
+    /// byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt32)
+    #[wasm_bindgen(method, js_name = getInt32)]
+    pub fn get_int32_endian(this: &DataView, byte_offset: usize, little_endian: bool) -> i32;
+
     /// The getUint32() an unsigned 16-bit integer (unsigned byte) at the specified
     /// byte offset from the start of the view.
     ///
@@ -562,6 +583,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getUint32)]
     pub fn get_uint32(this: &DataView, byte_offset: usize) -> u32;
 
+    /// The getUint32() an unsigned 16-bit integer (unsigned byte) at the specified
+    /// byte offset from the start of the view.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint32)
+    #[wasm_bindgen(method, js_name = getUint32)]
+    pub fn get_uint32_endian(this: &DataView, byte_offset: usize, little_endian: bool) -> u32;
+
     /// The getFloat32() method gets a signed 32-bit float (float) at the specified
     /// byte offset from the start of the DataView.
     ///
@@ -569,6 +597,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getFloat32)]
     pub fn get_float32(this: &DataView, byte_offset: usize) -> f32;
 
+    /// The getFloat32() method gets a signed 32-bit float (float) at the specified
+    /// byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat32)
+    #[wasm_bindgen(method, js_name = getFloat32)]
+    pub fn get_float32_endian(this: &DataView, byte_offset: usize, little_endian: bool) -> f32;
+
     /// The getFloat64() method gets a signed 32-bit float (float) at the specified
     /// byte offset from the start of the DataView.
     ///
@@ -576,6 +611,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getFloat64)]
     pub fn get_float64(this: &DataView, byte_offset: usize) -> f64;
 
+    /// The getFloat64() method gets a signed 32-bit float (float) at the specified
+    /// byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat64)
+    #[wasm_bindgen(method, js_name = getFloat64)]
+    pub fn get_float64_endian(this: &DataView, byte_offset: usize, little_endian: bool) -> f64;
+
     /// The setInt8() method stores a signed 8-bit integer (byte) value at the
     /// specified byte offset from the start of the DataView.
     ///
@@ -597,6 +639,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = setInt16)]
     pub fn set_int16(this: &DataView, byte_offset: usize, value: i16);
 
+    /// The setInt16() method stores a signed 16-bit integer (byte) value at the
+    /// specified byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt16)
+    #[wasm_bindgen(method, js_name = setInt16)]
+    pub fn set_int16_endian(this: &DataView, byte_offset: usize, value: i16, little_endian: bool);
+
     /// The setUint16() method stores an unsigned 16-bit integer (byte) value at the
     /// specified byte offset from the start of the DataView.
     ///
@@ -604,6 +653,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = setUint16)]
     pub fn set_uint16(this: &DataView, byte_offset: usize, value: u16);
 
+    /// The setUint16() method stores an unsigned 16-bit integer (byte) value at the
+    /// specified byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint16)
+    #[wasm_bindgen(method, js_name = setUint16)]
+    pub fn set_uint16_endian(this: &DataView, byte_offset: usize, value: u16, little_endian: bool);
+
     /// The setInt32() method stores a signed 32-bit integer (byte) value at the
     /// specified byte offset from the start of the DataView.
     ///
@@ -611,6 +667,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = setInt32)]
     pub fn set_int32(this: &DataView, byte_offset: usize, value: i32);
 
+    /// The setInt32() method stores a signed 32-bit integer (byte) value at the
+    /// specified byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt32)
+    #[wasm_bindgen(method, js_name = setInt32)]
+    pub fn set_int32_endian(this: &DataView, byte_offset: usize, value: i32, little_endian: bool);
+
     /// The setUint32() method stores an unsigned 32-bit integer (byte) value at the
     /// specified byte offset from the start of the DataView.
     ///
@@ -618,6 +681,13 @@ extern "C" {
     #[wasm_bindgen(method, js_name = setUint32)]
     pub fn set_uint32(this: &DataView, byte_offset: usize, value: u32);
 
+    /// The setUint32() method stores an unsigned 32-bit integer (byte) value at the
+    /// specified byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint32)
+    #[wasm_bindgen(method, js_name = setUint32)]
+    pub fn set_uint32_endian(this: &DataView, byte_offset: usize, value: u32, little_endian: bool);
+
     /// The setFloat32() method stores a signed 32-bit float (float) value at the
     /// specified byte offset from the start of the DataView.
     ///
@@ -625,12 +695,26 @@ extern "C" {
     #[wasm_bindgen(method, js_name = setFloat32)]
     pub fn set_float32(this: &DataView, byte_offset: usize, value: f32);
 
+    /// The setFloat32() method stores a signed 32-bit float (float) value at the
+    /// specified byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat32)
+    #[wasm_bindgen(method, js_name = setFloat32)]
+    pub fn set_float32_endian(this: &DataView, byte_offset: usize, value: f32, little_endian: bool);
+
     /// The setFloat64() method stores a signed 64-bit float (float) value at the
     /// specified byte offset from the start of the DataView.
     ///
     /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat64)
     #[wasm_bindgen(method, js_name = setFloat64)]
     pub fn set_float64(this: &DataView, byte_offset: usize, value: f64);
+
+    /// The setFloat64() method stores a signed 64-bit float (float) value at the
+    /// specified byte offset from the start of the DataView.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat64)
+    #[wasm_bindgen(method, js_name = setFloat64)]
+    pub fn set_float64_endian(this: &DataView, byte_offset: usize, value: f64, little_endian: bool);
 }
 
 // Error

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

@@ -20,18 +20,40 @@ fn test() {
     assert_eq!(v.get_int8(0), 42);
     v.set_uint8(0, 255);
     assert_eq!(v.get_uint8(0), 255);
+
     v.set_int16(0, 32767);
     assert_eq!(v.get_int16(0), 32767);
+    v.set_int16_endian(0, 0x1122, true);
+    assert_eq!(v.get_int16_endian(0, true), 0x1122);
+    assert_eq!(v.get_int16_endian(0, false), 0x2211);
     v.set_uint16(0, 65535);
     assert_eq!(v.get_uint16(0), 65535);
+    v.set_uint16_endian(0, 0x1122, true);
+    assert_eq!(v.get_uint16_endian(0, true), 0x1122);
+    assert_eq!(v.get_uint16_endian(0, false), 0x2211);
+
     v.set_int32(0, 123456789);
     assert_eq!(v.get_int32(0), 123456789);
+    v.set_int32_endian(0, 0x11223344, true);
+    assert_eq!(v.get_int32_endian(0, true), 0x11223344);
+    assert_eq!(v.get_int32_endian(0, false), 0x44332211);
     v.set_uint32(0, 3_123_456_789);
     assert_eq!(v.get_uint32(0), 3_123_456_789);
+    v.set_uint32_endian(0, 0x11223344, true);
+    assert_eq!(v.get_uint32_endian(0, true), 0x11223344);
+    assert_eq!(v.get_uint32_endian(0, false), 0x44332211);
+
     v.set_float32(0, 100.123);
     assert_eq!(v.get_float32(0), 100.123);
+    v.set_float32_endian(0, f32::from_bits(0x11223344), true);
+    assert_eq!(v.get_float32_endian(0, true), f32::from_bits(0x11223344));
+    assert_eq!(v.get_float32_endian(0, false), f32::from_bits(0x44332211));
+
     v.set_float64(0, 123456789.123456);
     assert_eq!(v.get_float64(0), 123456789.123456);
+    v.set_float64_endian(0, f64::from_bits(0x1122334411223344), true);
+    assert_eq!(v.get_float64_endian(0, true), f64::from_bits(0x1122334411223344));
+    assert_eq!(v.get_float64_endian(0, false), f64::from_bits(0x4433221144332211));
 
     v.set_int8(0, 42);