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‎README.md

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# JavaScriptKit

‎example/.gitignore

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/dist
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/node_modules

‎example/assets/JavaScriptKitExample.wasm

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../../src/swift/.build/debug/JavaScriptKitExample

‎example/index.html

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<!doctype html>
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<html>
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<head>
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<title>Getting Started</title>
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</head>
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<body>
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<script src="./dist/main.js"></script>
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</body>
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</html>

‎example/package-lock.json

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‎example/package.json

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{
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"name": "javascript-kit-example",
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"version": "1.0.0",
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"description": "An example use of JavaScriptKit",
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"private": true,
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"dependencies": {
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"@wasmer/wasi": "^0.9.1",
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"@wasmer/wasmfs": "^0.9.1",
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"javascript-kit-swift": "file:../src/web"
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},
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"devDependencies": {
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"webpack": "^4.42.0",
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"webpack-cli": "^3.3.11",
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"webpack-dev-server": "^3.10.3"
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},
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"scripts": {
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"build": "webpack",
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"start": "webpack-dev-server"
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},
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"author": "kateinoigakukun",
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"license": "MIT"
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}

‎example/src/index.js

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import { SwiftRuntime } from "javascript-kit-swift";
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import { WASI } from "@wasmer/wasi";
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import { WasmFs } from "@wasmer/wasmfs";
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const swift = new SwiftRuntime();
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// Instantiate a new WASI Instance
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const wasmFs = new WasmFs();
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let wasi = new WASI({
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args: [],
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env: {},
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bindings: {
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...WASI.defaultBindings,
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fs: wasmFs.fs
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}
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});
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const startWasiTask = async () => {
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// Fetch our Wasm File
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const response = await fetch("./assets/JavaScriptKitExample.wasm");
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const responseArrayBuffer = await response.arrayBuffer();
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// Instantiate the WebAssembly file
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const wasm_bytes = new Uint8Array(responseArrayBuffer).buffer;
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let { instance } = await WebAssembly.instantiate(wasm_bytes, {
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wasi_snapshot_preview1: wasi.wasiImport,
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javascript_kit: swift.importObjects(),
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});
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swift.setInsance(instance);
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// Start the WebAssembly WASI instance!
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wasi.start(instance);
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// Output what's inside of /dev/stdout!
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const stdout = await wasmFs.getStdOut();
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console.log(stdout);
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console.log(`Print window.foobar = ${foobar}`);
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};
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startWasiTask();

‎example/webpack.config.js

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const path = require('path');
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const outputPath = path.resolve(__dirname, 'dist');
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module.exports = {
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entry: './src/index.js',
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mode: 'development',
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output: {
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filename: 'main.js',
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path: outputPath,
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},
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};

‎src/swift/.gitignore

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.DS_Store
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/.build
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/Packages
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/*.xcodeproj
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xcuserdata/

‎src/swift/.swift-version

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wasm-DEVELOPMENT

‎src/swift/Package.swift

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// swift-tools-version:5.2
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import PackageDescription
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let package = Package(
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name: "JavaScriptKit",
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targets: [
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.target(
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name: "JavaScriptKitExample",
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dependencies: ["JavaScriptKit"]),
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.target(
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name: "JavaScriptKit",
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dependencies: ["_CJavaScriptKit"]),
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.target(
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name: "_CJavaScriptKit"),
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.testTarget(
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name: "JavaScriptKitTests",
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dependencies: ["JavaScriptKit"]),
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]
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)

‎src/swift/README.md

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# JavaScriptKit
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A description of this package.

‎src/swift/Sources/JavaScriptKit/JSValue.swift

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public class JSRef {
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let id: UInt32
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init(id: UInt32) {
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self.id = id
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}
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public static func global() -> JSRef {
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.init(id: _JS_Predef_Value_Global)
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}
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deinit {
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}
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}
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public enum JSValue {
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case boolean(Bool)
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case string(String)
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}
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protocol JSValueConvertible {
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func jsValue() -> JSValue
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}
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extension Bool: JSValueConvertible {
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func jsValue() -> JSValue {
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.boolean(self)
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}
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}
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import _CJavaScriptKit
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public func getJSValue(this: JSRef, name: String) -> JSValue {
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var kind: JavaScriptValueKind = JavaScriptValueKind_Invalid
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var payload: JavaScriptPayload = 0
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_get_js_value(this.id, name, Int32(name.count), &kind, &payload)
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switch kind {
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case JavaScriptValueKind_Invalid:
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fatalError()
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case JavaScriptValueKind_Boolean:
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return .boolean(payload != 0)
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case JavaScriptValueKind_String:
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let ptr = UnsafePointer<UInt8>(bitPattern: UInt(payload))!
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return .string(String(decodingCString: ptr, as: UTF8.self))
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default:
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fatalError("unreachable")
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}
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}
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public func setJSValue(this: JSRef, name: String, value: JSValue) {
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let kind: JavaScriptValueKind
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let payload: JavaScriptPayload
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switch value {
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case let .boolean(boolValue):
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kind = JavaScriptValueKind_Boolean
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payload = boolValue ? 1 : 0
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case var .string(stringValue):
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kind = JavaScriptValueKind_String
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stringValue.withUTF8 { ptr in
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let ptrValue = unsafeBitCast(ptr, to: UInt32.self)
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_set_js_value(this.id, name, Int32(name.count), kind, ptrValue)
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}
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return
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}
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print("\(#function) with prop name \"\(name)\" (length: \(name.count))")
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_set_js_value(this.id, name, Int32(name.count), kind, payload)
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}
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#if Xcode
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func _set_js_value(_ _this: JavaScriptValueId, _ prop: UnsafePointer<Int8>!, _ length: Int32, _ kind: JavaScriptValueKind, _ value: JavaScriptPayload) { fatalError() }
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func _get_js_value(_ _this: JavaScriptValueId, _ prop: UnsafePointer<Int8>!, _ length: Int32, _ kind: UnsafeMutablePointer<JavaScriptValueKind>!, _ value: UnsafeMutablePointer<JavaScriptPayload>!) {}
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#endif

‎src/swift/Sources/JavaScriptKitExample/main.swift

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import JavaScriptKit
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let global = JSRef.global()
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setJSValue(this: global, name: "foobar", value: .boolean(true))
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print(getJSValue(this: global, name: "foobar"))

‎src/swift/Sources/_CJavaScriptKit/dummy.c

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‎src/swift/Sources/_CJavaScriptKit/include/_CJavaScriptKit.h

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#ifndef _CJavaScriptKit_h
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#define _CJavaScriptKit_h
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typedef unsigned int JavaScriptValueId;
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typedef enum {
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JavaScriptValueKind_Invalid = -1,
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JavaScriptValueKind_Boolean = 0,
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JavaScriptValueKind_String = 1,
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} JavaScriptValueKind;
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typedef unsigned JavaScriptPayload;
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const unsigned int _JS_Predef_Value_Global = 0;
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__attribute__((
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__import_module__("javascript_kit"),
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__import_name__("swjs_set_js_value")
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))
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extern void _set_js_value(
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const JavaScriptValueId _this,
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const char *prop,
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const int length,
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const JavaScriptValueKind kind,
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const JavaScriptPayload value
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);
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__attribute__((
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__import_module__("javascript_kit"),
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__import_name__("swjs_get_js_value")
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))
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extern void _get_js_value(
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const JavaScriptValueId _this,
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const char *prop,
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const int length,
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JavaScriptValueKind *kind,
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JavaScriptPayload *value
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);
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#endif /* _CJavaScriptKit_h */

‎src/swift/Tests/JavaScriptKitTests/JavaScriptKitTests.swift

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import XCTest
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@testable import JavaScriptKit
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final class JavaScriptKitTests: XCTestCase {
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}

‎src/swift/Tests/JavaScriptKitTests/XCTestManifests.swift

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import XCTest
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#if !canImport(ObjectiveC)
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public func allTests() -> [XCTestCaseEntry] {
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return [
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testCase(swift_js_sysTests.allTests),
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]
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}
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#endif

‎src/swift/Tests/LinuxMain.swift

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import XCTest
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import swift_js_sysTests
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var tests = [XCTestCaseEntry]()
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tests += swift_js_sysTests.allTests()
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XCTMain(tests)

‎src/web/.gitignore

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/lib
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/node_modules

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