Merge pull request #386 from jannikkeye/bindings-reflect

Reflect.xx bindings
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Marcin Baraniecki 2018-07-06 13:34:59 +02:00 committed by GitHub
commit c9f4a266b0
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3 changed files with 710 additions and 0 deletions

108
src/js.rs
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@ -1071,6 +1071,114 @@ extern {
pub fn revocable(target: &JsValue, handler: &Object) -> Object;
}
// Reflect
#[wasm_bindgen]
extern "C" {
pub type Reflect;
/// The static Reflect.apply() method calls a target function with arguments as specified.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/apply
#[wasm_bindgen(static_method_of = Reflect)]
pub fn apply(target: &Function, this_argument: &JsValue, arguments_list: &Array) -> JsValue;
/// The static Reflect.construct() method acts like the new operator, but as a function.
/// It is equivalent to calling new target(...args). It gives also the added option to
/// specify a different prototype.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/construct
#[wasm_bindgen(static_method_of = Reflect)]
pub fn construct(target: &Function, arguments_list: &Array) -> JsValue;
#[wasm_bindgen(static_method_of = Reflect, js_name = construct)]
pub fn construct_with_new_target(target: &Function, arguments_list: &Array, new_target: &Function) -> JsValue;
/// The static Reflect.defineProperty() method is like Object.defineProperty()
/// but returns a Boolean.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/defineProperty
#[wasm_bindgen(static_method_of = Reflect, js_name = defineProperty)]
pub fn define_property(target: &Object, property_key: &JsValue, attributes: &Object) -> bool;
/// The static Reflect.deleteProperty() method allows to delete properties.
/// It is like the delete operator as a function.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/deleteProperty
#[wasm_bindgen(static_method_of = Reflect, js_name = deleteProperty)]
pub fn delete_property(target: &Object, key: &JsValue) -> bool;
/// The static Reflect.get() method works like getting a property from
/// an object (target[propertyKey]) as a function.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/get
#[wasm_bindgen(static_method_of = Reflect)]
pub fn get(target: &Object, key: &JsValue) -> JsValue;
/// The static Reflect.getOwnPropertyDescriptor() method is similar to
/// Object.getOwnPropertyDescriptor(). It returns a property descriptor
/// of the given property if it exists on the object, undefined otherwise.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/getOwnPropertyDescriptor
#[wasm_bindgen(static_method_of = Reflect, js_name = getOwnPropertyDescriptor)]
pub fn get_own_property_descriptor(target: &Object, property_key: &JsValue) -> JsValue;
/// The static Reflect.getPrototypeOf() method is almost the same
/// method as Object.getPrototypeOf(). It returns the prototype
/// (i.e. the value of the internal [[Prototype]] property) of
/// the specified object.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/getPrototypeOf
#[wasm_bindgen(static_method_of = Reflect, js_name = getPrototypeOf)]
pub fn get_prototype_of(target: &Object) -> Object;
/// The static Reflect.has() method works like the in operator as a function.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/has
#[wasm_bindgen(static_method_of = Reflect)]
pub fn has(target: &Object, property_key: &JsValue) -> bool;
/// The static Reflect.isExtensible() method determines if an object is extensible
/// (whether it can have new properties added to it). It is similar to
/// Object.isExtensible(), but with some differences.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/isExtensible
#[wasm_bindgen(static_method_of = Reflect, js_name = isExtensible)]
pub fn is_extensible(target: &Object) -> bool;
/// The static Reflect.ownKeys() method returns an array of the
/// target object's own property keys.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/ownKeys
#[wasm_bindgen(static_method_of = Reflect, js_name = ownKeys)]
pub fn own_keys(target: &Object) -> Array;
/// The static Reflect.preventExtensions() method prevents new
/// properties from ever being added to an object (i.e. prevents
/// future extensions to the object). It is similar to
/// Object.preventExtensions(), but with some differences.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/preventExtensions
#[wasm_bindgen(static_method_of = Reflect, js_name = preventExtensions)]
pub fn prevent_extensions(target: &Object) -> bool;
/// The static Reflect.set() method works like setting a
/// property on an object.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/set
#[wasm_bindgen(static_method_of = Reflect)]
pub fn set(target: &Object, property_key: &JsValue, value: &JsValue) -> bool;
#[wasm_bindgen(static_method_of = Reflect, js_name = set)]
pub fn set_with_receiver(target: &Object, property_key: &JsValue, value: &JsValue, receiver: &Object) -> bool;
/// The static Reflect.setPrototypeOf() method is the same
/// method as Object.setPrototypeOf(). It sets the prototype
/// (i.e., the internal [[Prototype]] property) of a specified
/// object to another object or to null.
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/setPrototypeOf
#[wasm_bindgen(static_method_of = Reflect, js_name = setPrototypeOf)]
pub fn set_prototype_of(target: &Object, prototype: &JsValue) -> bool;
}
// Set
#[wasm_bindgen]
extern {

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@ -0,0 +1,601 @@
#![allow(non_snake_case)]
use project;
#[test]
fn apply() {
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 apply(target: &js::Function, this_argument: &JsValue, arguments_list: &js::Array) -> JsValue {
js::Reflect::apply(target, this_argument, arguments_list)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
assert.equal(wasm.apply("".charAt, "ponies", [3]), "i");
}
"#,
)
.test()
}
#[test]
fn construct() {
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 construct(target: &js::Function, arguments_list: &js::Array) -> JsValue {
js::Reflect::construct(target, arguments_list)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
class Rectangle {
constructor(x, y){
this.x = x,
this.y = y
}
static eq(x, y) {
return x === y;
}
}
const args = [10, 10];
assert.equal(wasm.construct(Rectangle, args).x, 10);
}
"#,
)
.test()
}
#[test]
fn construct_with_new_target() {
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 construct_with_new_target(target: &js::Function, arguments_list: &js::Array, new_target: &js::Function) -> JsValue {
js::Reflect::construct_with_new_target(target, arguments_list, new_target)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
class Rectangle {
constructor(x, y){
this.x = x,
this.y = y
}
static eq(x, y) {
return x === y;
}
}
class Rectangle2 {
constructor(x, y){
this.x = x,
this.y = y
}
static eq(x, y) {
return x === y;
}
}
const args = [10, 10];
assert.equal(wasm.construct_with_new_target(Rectangle, args, Rectangle2).x, 10);
}
"#,
)
.test()
}
#[test]
fn define_property() {
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 define_property(target: &js::Object, property_key: &JsValue, attributes: &js::Object) -> bool {
js::Reflect::define_property(target, property_key, attributes)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {};
assert.equal(wasm.define_property(object, "key", { value: 42}), true)
}
"#,
)
.test()
}
#[test]
fn delete_property() {
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 delete_property(target: &js::Object, property_key: &JsValue) -> bool {
js::Reflect::delete_property(target, property_key)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
wasm.delete_property(object, "property");
assert.equal(object.property, undefined);
const array = [1, 2, 3, 4, 5];
wasm.delete_property(array, 3);
assert.equal(array[3], undefined);
}
"#,
)
.test()
}
#[test]
fn get() {
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 get(target: &js::Object, property_key: &JsValue) -> JsValue {
js::Reflect::get(target, property_key)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
assert.equal(wasm.get(object, "property"), 42);
const array = [1, 2, 3, 4, 5];
assert.equal(wasm.get(array, 3), 4);
}
"#,
)
.test()
}
#[test]
fn get_own_property_descriptor() {
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 get_own_property_descriptor(target: &js::Object, property_key: &JsValue) -> JsValue {
js::Reflect::get_own_property_descriptor(target, property_key)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
assert.equal(wasm.get_own_property_descriptor(object, "property").value, 42);
assert.equal(wasm.get_own_property_descriptor(object, "property1"), undefined);
}
"#,
)
.test()
}
#[test]
fn get_prototype_of() {
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 get_prototype_of(target: &js::Object) -> js::Object {
js::Reflect::get_prototype_of(target)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
const array = [1, 2, 3];
assert.equal(wasm.get_prototype_of(object), Object.prototype);
assert.equal(wasm.get_prototype_of(array), Array.prototype);
}
"#,
)
.test()
}
#[test]
fn has() {
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 has(target: &js::Object, property_key: &JsValue) -> bool {
js::Reflect::has(target, property_key)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
const array = [1, 2, 3, 4]
assert.equal(wasm.has(object, "property"), true);
assert.equal(wasm.has(object, "foo"), false);
assert.equal(wasm.has(array, 3), true);
assert.equal(wasm.has(array, 10), false);
}
"#,
)
.test()
}
#[test]
fn is_extensible() {
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 is_extensible(target: &js::Object) -> bool {
js::Reflect::is_extensible(target)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
assert.equal(wasm.is_extensible(object), true);
Reflect.preventExtensions(object);
assert.equal(wasm.is_extensible(object), false);
const object2 = Object.seal({});
assert.equal(wasm.is_extensible(object2), false);
}
"#,
)
.test()
}
#[test]
fn own_keys() {
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 own_keys(target: &js::Object) -> js::Array {
js::Reflect::own_keys(target)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {
property: 42
};
const array = [];
assert.equal(wasm.own_keys(object)[0], "property");
assert.equal(wasm.own_keys(array)[0], "length");
}
"#,
)
.test()
}
#[test]
fn prevent_extensions() {
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 prevent_extensions(target: &js::Object) -> bool {
js::Reflect::prevent_extensions(target)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object1 = {};
wasm.prevent_extensions(object1);
assert.equal(Reflect.isExtensible(object1), false);
}
"#,
)
.test()
}
#[test]
fn set() {
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 set(target: &js::Object, property_key: &JsValue, value: &JsValue) -> bool {
js::Reflect::set(target, property_key, value)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {};
const array = [1, 2, 3, 4];
assert.equal(wasm.set(object, "key", "value"), true);
assert.equal(wasm.set(array, 0, 100), true);
assert.equal(Reflect.get(object, "key"), "value");
assert.equal(array[0], 100);
}
"#,
)
.test()
}
#[test]
fn set_with_receiver() {
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 set_with_receiver(target: &js::Object, property_key: &JsValue, value: &JsValue, receiver: &js::Object) -> bool {
js::Reflect::set_with_receiver(target, property_key, value, receiver)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {};
const array = [1, 2, 3, 4];
assert.equal(wasm.set_with_receiver({}, "key", "value", object), true);
assert.equal(wasm.set_with_receiver([], 0, 100, array), true);
assert.equal(Reflect.get(object, "key"), "value");
assert.equal(array[0], 100);
}
"#,
)
.test()
}
#[test]
fn set_prototype_of() {
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 set_prototype_of(target: &js::Object, prototype: &JsValue) -> bool {
js::Reflect::set_prototype_of(target, prototype)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
const object = {};
assert.equal(wasm.set_prototype_of(object, Object.prototype), true);
assert.equal(Object.getPrototypeOf(object), Object.prototype);
assert.equal(wasm.set_prototype_of(object, null), true);
assert.equal(Object.getPrototypeOf(object), null);
}
"#,
)
.test()
}

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@ -17,6 +17,7 @@ mod Math;
mod Number;
mod Object;
mod Proxy;
mod Reflect;
mod Set;
mod SetIterator;
mod Symbol;