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https://github.com/fluencelabs/wasm-bindgen
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implements Object.prototype.isPrototypeOf() binding
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@ -98,6 +98,13 @@ extern {
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/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isPrototypeOf
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#[wasm_bindgen(method, js_name = isPrototypeOf)]
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pub fn is_prototype_of(this: &Object, value: &JsValue) -> bool;
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/// The propertyIsEnumerable() method returns a Boolean indicating
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/// whether the specified property is enumerable.
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///
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/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable
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#[wasm_bindgen(method, js_name = propertyIsEnumerable)]
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pub fn property_is_enumerable(this: &Object, property: &JsValue) -> bool;
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}
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// Array
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@ -118,3 +118,29 @@ fn is_prototype_of() {
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"#)
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.test()
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}
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#[test]
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fn property_is_enumerable() {
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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 property_is_enumerable(obj: &js::Object, property: &JsValue) -> bool {
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obj.property_is_enumerable(&property)
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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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assert(wasm.property_is_enumerable({ foo: 42 }, "foo"));
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}
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"#)
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.test()
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}
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