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https://github.com/fluencelabs/wasm-bindgen
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Support String.prototype.codePointAt
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@ -447,6 +447,12 @@ extern {
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#[wasm_bindgen(method, js_class = "String", js_name = charAt)]
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pub fn char_at(this: &JsString, index: u32) -> JsString;
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/// The codePointAt() method returns a non-negative integer that is the Unicode code point value.
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///
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/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
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#[wasm_bindgen(method, js_class = "String", js_name = codePointAt)]
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pub fn code_point_at(this: &JsString, pos: u32) -> JsValue;
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/// The indexOf() method returns the index within the calling String object of
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/// the first occurrence of the specified value, starting the search at fromIndex.
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/// Returns -1 if the value is not found.
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@ -31,6 +31,34 @@ fn char_at() {
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.test()
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}
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#[test]
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fn code_point_at() {
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project()
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.file("src/lib.rs", r#"
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#![feature(proc_macro, wasm_custom_section)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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use wasm_bindgen::js;
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#[wasm_bindgen]
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pub fn string_code_point_at(this: &js::JsString, pos: u32) -> JsValue {
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this.code_point_at(pos)
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}
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"#)
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.file("test.ts", r#"
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import * as assert from "assert";
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import * as wasm from "./out";
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export function test() {
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assert.equal(wasm.string_code_point_at('ABC', 1), 66);
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assert.equal(wasm.string_code_point_at('\uD800\uDC00', 0), 65536);
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assert.equal(wasm.string_code_point_at('XYZ', 42), undefined);
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}
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"#)
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.test()
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}
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#[test]
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fn starts_with() {
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project()
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