add binding for push

This commit is contained in:
Matt Long 2018-06-20 17:58:15 -04:00
parent 73081180cd
commit 4611d7bdba
2 changed files with 37 additions and 0 deletions

View File

@ -145,4 +145,10 @@ extern {
/// http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/pop
#[wasm_bindgen(method)]
pub fn pop(this: &Array) -> JsValue;
/// The push() method adds one or more elements to the end of an array and returns the new length of the array.
///
/// http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push
#[wasm_bindgen(method)]
pub fn push(this: &Array, value: JsValue) -> u32;
}

View File

@ -233,3 +233,34 @@ fn pop() {
"#)
.test()
}
#[test]
fn push() {
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 push_it_along(this: &js::Array, value: JsValue) -> u32 {
this.push(value)
}
"#)
.file("test.ts", r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
let characters = [8, 5, 4, 3, 1, 2]
let length = wasm.push_it_along(characters, "a");
assert.equal(length, 7);
assert.equal(characters[6], "a");
}
"#)
.test()
}