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In JavaScriptEngineSwitcher.Node the default Node JS service is now implemented as a wrapper around the StaticNodeJSService class
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‎src/JavaScriptEngineSwitcher.Node/DefaultNodeJsService.cs

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using System;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using Jering.Javascript.NodeJS;
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namespace JavaScriptEngineSwitcher.Node
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{
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/// <summary>
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/// Default Node JS service
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/// </summary>
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/// <remarks>
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/// Wrapper around the <see cref="StaticNodeJSService"/> class.
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/// </remarks>
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public sealed class DefaultNodeJsService : INodeJSService
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{
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/// <summary>
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/// Instance of default Node JS service
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/// </summary>
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private static readonly DefaultNodeJsService _instance = new DefaultNodeJsService();
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/// <summary>
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/// Gets a instance of default Node JS service
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/// </summary>
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public static INodeJSService Instance
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{
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get { return _instance; }
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}
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/// <summary>
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/// Private constructor for implementation Singleton pattern
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/// </summary>
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private DefaultNodeJsService()
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{ }
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#region INodeJSService implementation
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public Task<T> InvokeFromFileAsync<T>(string modulePath, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromFileAsync<T>(modulePath, exportName, args, cancellationToken);
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}
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public Task InvokeFromFileAsync(string modulePath, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromFileAsync(modulePath, exportName, args, cancellationToken);
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}
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public Task<T> InvokeFromStringAsync<T>(string moduleString, string newCacheIdentifier = null, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStringAsync<T>(moduleString, newCacheIdentifier, exportName, args, cancellationToken);
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}
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public Task InvokeFromStringAsync(string moduleString, string newCacheIdentifier = null, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStringAsync(moduleString, newCacheIdentifier, exportName, args, cancellationToken);
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}
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public Task<T> InvokeFromStringAsync<T>(Func<string> moduleFactory, string cacheIdentifier, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStringAsync<T>(moduleFactory, cacheIdentifier, exportName, args, cancellationToken);
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}
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public Task InvokeFromStringAsync(Func<string> moduleFactory, string cacheIdentifier, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStringAsync(moduleFactory, cacheIdentifier, exportName, args, cancellationToken);
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}
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public Task<T> InvokeFromStreamAsync<T>(Stream moduleStream, string newCacheIdentifier = null, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStreamAsync<T>(moduleStream, newCacheIdentifier, exportName, args, cancellationToken);
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}
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public Task InvokeFromStreamAsync(Stream moduleStream, string newCacheIdentifier = null, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStreamAsync(moduleStream, newCacheIdentifier, exportName, args, cancellationToken);
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}
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public Task<T> InvokeFromStreamAsync<T>(Func<Stream> moduleFactory, string cacheIdentifier, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStreamAsync<T>(moduleFactory, cacheIdentifier, exportName, args, cancellationToken);
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}
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public Task InvokeFromStreamAsync(Func<Stream> moduleFactory, string cacheIdentifier, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.InvokeFromStreamAsync(moduleFactory, cacheIdentifier, exportName, args, cancellationToken);
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}
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public Task<(bool, T)> TryInvokeFromCacheAsync<T>(string moduleCacheIdentifier, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.TryInvokeFromCacheAsync<T>(moduleCacheIdentifier, exportName, args, cancellationToken);
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}
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public Task<bool> TryInvokeFromCacheAsync(string moduleCacheIdentifier, string exportName = null, object[] args = null, CancellationToken cancellationToken = default)
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{
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return StaticNodeJSService.TryInvokeFromCacheAsync(moduleCacheIdentifier, exportName, args, cancellationToken);
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}
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#region IDisposable implementation
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public void Dispose()
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{
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throw new NotSupportedException();
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}
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#endregion
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#endregion
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}
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}

‎src/JavaScriptEngineSwitcher.Node/JavaScriptEngineSwitcher.Node.csproj

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This package does not contain the `node.exe`. Therefore, you need to install the Node.js (https://nodejs.org) and add the `node.exe`'s directory to the `Path` environment variable (automatically done by the official installer).</Description>
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<PackageIcon>icon.png</PackageIcon>
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<PackageTags>JavaScriptEngineSwitcher;JavaScript;ECMAScript;Node.js;Jering.Javascript.NodeJS</PackageTags>
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<PackageReleaseNotes>Default Node JS service is now implemented as a wrapper around the `Jering.Javascript.NodeJS.StaticNodeJSService` class.</PackageReleaseNotes>
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</PropertyGroup>
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<Import Project="../../build/common.props" />

‎src/JavaScriptEngineSwitcher.Node/NodeJsEngine.cs

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/// Constructs an instance of adapter for the Node JS engine
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/// </summary>
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public NodeJsEngine()
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: this(GetOrCreateJsService(), new NodeSettings())
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: this(DefaultNodeJsService.Instance, new NodeSettings())
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{ }
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/// <summary>
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/// </summary>
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/// <param name="settings">Settings of the Node JS engine</param>
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public NodeJsEngine(NodeSettings settings)
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: this(GetOrCreateJsService(), settings)
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: this(DefaultNodeJsService.Instance, settings)
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{ }
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/// <summary>
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}
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private static INodeJSService GetOrCreateJsService()
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{
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Type staticNodeJsServiceType = typeof(StaticNodeJSService);
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MethodInfo getOrCreateNodeJsServiceMethodInfo = staticNodeJsServiceType.GetMethod("GetOrCreateNodeJSService",
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BindingFlags.NonPublic | BindingFlags.Static);
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var nodeJsService = (INodeJSService)getOrCreateNodeJsServiceMethodInfo.Invoke(null, new object[0]);
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return nodeJsService;
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}
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private void InvokeEngineHelper(string exportName = null, object[] args = null)
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{
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Task<bool> cachedTask = _jsService.TryInvokeFromCacheAsync(ENGINE_HELPERS_RESOURCE_NAME,

‎src/JavaScriptEngineSwitcher.Node/readme.txt

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Node.js (https://nodejs.org) and add the `node.exe`'s directory to the `Path`
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environment variable (automatically done by the official installer).
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=============
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RELEASE NOTES
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=============
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Default Node JS service is now implemented as a wrapper around the
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`Jering.Javascript.NodeJS.StaticNodeJSService` class.
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=============
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DOCUMENTATION
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=============

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