diff --git a/src/js.rs b/src/js.rs index ba11048e..99d21288 100644 --- a/src/js.rs +++ b/src/js.rs @@ -279,6 +279,13 @@ extern { #[wasm_bindgen(static_method_of = Math)] pub fn atan(number: i32) -> Number; + /// The Math.atan2() function returns the arctangent of the quotient of + /// its arguments. + /// + /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/atan2 + #[wasm_bindgen(static_method_of = Math)] + pub fn atan2(y: i32, x: i32) -> Number; + } // Number. diff --git a/tests/all/js_globals/Math.rs b/tests/all/js_globals/Math.rs index ec08dde9..9026b158 100644 --- a/tests/all/js_globals/Math.rs +++ b/tests/all/js_globals/Math.rs @@ -160,3 +160,29 @@ fn atan() { "#) .test() } + +#[test] +fn atan2() { + project() + .file("src/lib.rs", r#" + #![feature(proc_macro, wasm_custom_section)] + + extern crate wasm_bindgen; + use wasm_bindgen::prelude::*; + use wasm_bindgen::js; + + #[wasm_bindgen] + pub fn atan2(x: i32, y: i32) -> js::Number { + js::Math::atan2(x, y) + } + "#) + .file("test.ts", r#" + import * as assert from "assert"; + import * as wasm from "./out"; + + export function test() { + assert.equal(wasm.atan2(1, 2), Math.atan2(1, 2)); + } + "#) + .test() +}