diff --git a/src/js.rs b/src/js.rs index c3fa8e62..cff0402c 100644 --- a/src/js.rs +++ b/src/js.rs @@ -208,6 +208,20 @@ extern { pub fn entries(this: &Array) -> ArrayIterator; } +// Number. +#[wasm_bindgen] +extern { + pub type Number; + + /// The valueOf() method returns the wrapped primitive value of + /// a Number object. + /// + /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/valueOf + #[wasm_bindgen(method, js_name = valueOf)] + pub fn value_of(this: &Number) -> Number; + +} + // Object. #[wasm_bindgen] extern { @@ -268,4 +282,4 @@ extern { /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice #[wasm_bindgen(method, js_class = "String")] pub fn slice(this: &JsString, start: u32, end: u32) -> JsString; -} \ No newline at end of file +} diff --git a/tests/all/js_globals/Number.rs b/tests/all/js_globals/Number.rs new file mode 100644 index 00000000..a78051ea --- /dev/null +++ b/tests/all/js_globals/Number.rs @@ -0,0 +1,32 @@ +#![allow(non_snake_case)] + +use super::project; + + +#[test] +fn value_of() { + 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 js_value_of(this: &js::Number) -> js::Number { + this.value_of() + } + "#) + .file("test.ts", r#" + import * as assert from "assert"; + import * as wasm from "./out"; + + export function test() { + let number = 42; + assert.equal(wasm.js_value_of(number), 42); + assert.equal(typeof wasm.js_value_of(number), "number"); + } + "#) + .test() +} diff --git a/tests/all/js_globals/mod.rs b/tests/all/js_globals/mod.rs index b03c3ae4..25bacbc6 100644 --- a/tests/all/js_globals/mod.rs +++ b/tests/all/js_globals/mod.rs @@ -6,6 +6,7 @@ mod Object; mod Array; mod ArrayIterator; mod JsString; +mod Number; #[test] #[cfg(feature = "std")]