diff --git a/src/js.rs b/src/js.rs index 196c36903..54166de97 100644 --- a/src/js.rs +++ b/src/js.rs @@ -376,6 +376,13 @@ extern { #[wasm_bindgen] extern { pub type Date; + + /// The toUTCString() method converts a date to a string, + /// using the UTC time zone. + /// + /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toUTCString + #[wasm_bindgen(method, js_name = toUTCString)] + pub fn to_utc_string(this: &Date) -> JsString; /// The valueOf() method returns the primitive value of /// a Date object. diff --git a/tests/all/js_globals/Date.rs b/tests/all/js_globals/Date.rs index e42e5286c..b2eb6a0ac 100644 --- a/tests/all/js_globals/Date.rs +++ b/tests/all/js_globals/Date.rs @@ -2,6 +2,33 @@ use super::project; +#[test] +fn to_utc_string() { + project() + .file("src/lib.rs", r#" + #![feature(proc_macro, wasm_custom_section)] + + extern crate wasm_bindgen; + use wasm_bindgen::prelude::*; + use wasm_bindgen::js::{Date, JsString}; + + #[wasm_bindgen] + pub fn to_utc_string(this: &Date) -> JsString { + this.to_utc_string() + } + "#) + .file("test.ts", r#" + import * as assert from "assert"; + import * as wasm from "./out"; + + export function test() { + let date = new Date('14 Jun 2017 00:00:00 PDT'); + assert.equal(wasm.to_utc_string(date), "Wed, 14 Jun 2017 07:00:00 GMT"); + } + "#) + .test() +} + #[test] fn value_of() { project()