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web-sys: Add support for Global-scope methods

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This commit adds further support for the `Global` attribute to not only emit
structural accessors but also emit functions that don't take `&self`. All
methods on a `[Global]` interface will not require `&self` and will call
functions and/or access properties on the global scope.

This should enable things like:

    Window::location() // returns `Location`
    Window::fetch(...) // invokes the `fetch` function

Closes #659
This commit is contained in:
Alex Crichton
2018-08-28 15:19:31 -07:00
parent 447b42b7ac
commit 36b854b69c
16 changed files with 296 additions and 202 deletions
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6
examples/canvas/src/lib.rs
View File

@ -6,13 +6,9 @@ use std::f64;
use wasm_bindgen::prelude::*;
use wasm_bindgen::JsCast;
#[wasm_bindgen]
extern "C" {
static document: web_sys::Document;
}
#[wasm_bindgen]
pub fn draw() {
let document = web_sys::Window::document().unwrap();
let canvas = document.get_element_by_id("canvas").unwrap();
let canvas: web_sys::HtmlCanvasElement = canvas
.dyn_into::<web_sys::HtmlCanvasElement>()

7
examples/fetch/src/lib.rs
View File

@ -40,11 +40,6 @@ pub struct Signature {
pub email: String,
}
#[wasm_bindgen]
extern "C" {
static window: Window;
}
#[wasm_bindgen]
pub fn run() -> Promise {
let mut request_options = RequestInit::new();
@ -56,7 +51,7 @@ pub fn run() -> Promise {
// the RequestInit struct will eventually support setting headers, but that's missing right now
req.headers().set("Accept", "application/vnd.github.v3+json").unwrap();
let req_promise = window.fetch_with_request(&req);
let req_promise = Window::fetch_with_request(&req);
let to_return = JsFuture::from(req_promise).and_then(|resp_value| {
// resp_value is a Response object