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https://github.com/fluencelabs/wasm-bindgen
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Add the binding of to_string to Number
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@ -213,6 +213,13 @@ extern {
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extern {
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pub type Number;
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/// The toString() method returns a string representing the
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/// specified Number object.
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///
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/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toString
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#[wasm_bindgen(catch, method, js_name = toString)]
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pub fn to_string(this: &Number, radix: u8) -> Result<String, JsValue>;
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/// The valueOf() method returns the wrapped primitive value of
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/// a Number object.
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///
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@ -3,6 +3,40 @@
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use super::project;
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#[test]
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fn to_string() {
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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 to_string(this: &js::Number, radix: u8) -> String {
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let result = this.to_string(radix);
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let result = match result {
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Ok(num) => num,
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Err(_err) => "RangeError".to_string()
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};
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result
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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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let number = 42;
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assert.equal(wasm.to_string(number, 10), "42");
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assert.equal(wasm.to_string(233, 16), "e9");
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assert.equal(wasm.to_string(number, 100), "RangeError");
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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 value_of() {
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project()
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