diff --git a/src/js.rs b/src/js.rs index 14219dfb..c00ba6c3 100644 --- a/src/js.rs +++ b/src/js.rs @@ -583,6 +583,12 @@ extern { #[wasm_bindgen(method, js_class = "String", js_name = charCodeAt)] pub fn char_code_at(this: &JsString, index: u32) -> Number; + /// The codePointAt() method returns a non-negative integer that is the Unicode code point value. + /// + /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt + #[wasm_bindgen(method, js_class = "String", js_name = codePointAt)] + pub fn code_point_at(this: &JsString, pos: u32) -> JsValue; + /// The concat() method concatenates the string arguments to the calling string and returns a new string. /// /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/concat diff --git a/tests/all/js_globals/JsString.rs b/tests/all/js_globals/JsString.rs index 124d7db8..89524751 100644 --- a/tests/all/js_globals/JsString.rs +++ b/tests/all/js_globals/JsString.rs @@ -31,6 +31,34 @@ fn char_at() { .test() } +#[test] +fn code_point_at() { + 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 string_code_point_at(this: &js::JsString, pos: u32) -> JsValue { + this.code_point_at(pos) + } + "#) + .file("test.ts", r#" + import * as assert from "assert"; + import * as wasm from "./out"; + + export function test() { + assert.equal(wasm.string_code_point_at('ABC', 1), 66); + assert.equal(wasm.string_code_point_at('\uD800\uDC00', 0), 65536); + assert.equal(wasm.string_code_point_at('XYZ', 42), undefined); + } + "#) + .test() +} + #[test] fn concat() { project() @@ -62,7 +90,7 @@ fn concat() { "#) .test() } - + #[test] fn char_code_at() { project()