add binding for pop

This commit is contained in:
Matt Long 2018-06-20 17:55:25 -04:00
parent 2f6f734216
commit 73081180cd
2 changed files with 36 additions and 0 deletions

View File

@ -139,4 +139,10 @@ extern {
/// http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/copyWithin
#[wasm_bindgen(method, js_name = copyWithin)]
pub fn copy_within(this: &Array, target: i32, start: i32, end: i32) -> Array;
/// The pop() method removes the last element from an array and returns that element. This method changes the length of the array.
///
/// http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/pop
#[wasm_bindgen(method)]
pub fn pop(this: &Array) -> JsValue;
}

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@ -203,3 +203,33 @@ fn copy_within() {
"#)
.test()
}
#[test]
fn pop() {
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 pop_in_it(this: &js::Array) -> JsValue {
this.pop()
}
"#)
.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 item = wasm.pop_in_it(characters);
assert.equal(item, 2);
assert.equal(characters.length, 5);
}
"#)
.test()
}