diff --git a/src/js.rs b/src/js.rs index fd16b23e..bd7104a6 100644 --- a/src/js.rs +++ b/src/js.rs @@ -302,6 +302,18 @@ extern { pub fn to_string(this: &Function) -> JsString; } +// Map +#[wasm_bindgen] +extern { + pub type Map; + + /// The clear() method removes all elements from a Map object. + /// + /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/clear + #[wasm_bindgen(method)] + pub fn clear(this: &Map); +} + // Math #[wasm_bindgen] extern { diff --git a/tests/all/js_globals/Map.rs b/tests/all/js_globals/Map.rs new file mode 100644 index 00000000..8b2b2df2 --- /dev/null +++ b/tests/all/js_globals/Map.rs @@ -0,0 +1,35 @@ +#![allow(non_snake_case)] + +use project; + +#[test] +fn clear() { + 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 map_clear(this: &js::Map) { + this.clear(); + } + "#) + .file("test.ts", r#" + import * as assert from "assert"; + import * as wasm from "./out"; + + export function test() { + const map = new Map(); + map.set('foo', 'bar'); + map.set('bar', 'baz'); + assert.equal(map.size, 2); + wasm.map_clear(map); + assert.equal(map.size, 0); + + } + "#) + .test() +} \ No newline at end of file diff --git a/tests/all/js_globals/mod.rs b/tests/all/js_globals/mod.rs index 4090fe04..f634773e 100644 --- a/tests/all/js_globals/mod.rs +++ b/tests/all/js_globals/mod.rs @@ -8,6 +8,7 @@ mod Boolean; mod Date; mod Function; mod JsString; +mod Map; mod Math; mod WeakMap; mod WeakSet;