<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Developer Tooling | The .NET Blog</title><link>https://thedotnetblog.com/it/tags/developer-tooling/</link><description>Articles, tutorials and insights from the .NET community.</description><generator>Hugo</generator><language>it</language><managingEditor>@thedotnetblog (The .NET Blog)</managingEditor><webMaster>@thedotnetblog</webMaster><lastBuildDate>Tue, 21 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://thedotnetblog.com/it/tags/developer-tooling/index.xml" rel="self" type="application/rss+xml"/><item><title>azd + GitHub Copilot: Configurazione del progetto con IA e risoluzione intelligente degli errori</title><link>https://thedotnetblog.com/it/posts/emiliano-montesdeoca/azd-copilot-integration-ai-setup-troubleshooting/</link><pubDate>Tue, 21 Apr 2026 00:00:00 +0000</pubDate><author>Emiliano Montesdeoca</author><guid>https://thedotnetblog.com/it/posts/emiliano-montesdeoca/azd-copilot-integration-ai-setup-troubleshooting/</guid><description>L'Azure Developer CLI si integra ora con GitHub Copilot per generare l'infrastruttura del tuo progetto e risolvere errori di deployment — senza uscire dal terminale.</description><content:encoded>&lt;blockquote&gt;
&lt;p&gt;&lt;em&gt;Questo articolo è stato tradotto automaticamente. Per la versione originale in inglese, &lt;a href="https://thedotnetblog.com/it/posts/emiliano-montesdeoca/azd-copilot-integration-ai-setup-troubleshooting/"&gt;clicca qui&lt;/a&gt;.&lt;/em&gt;&lt;/p&gt;
&lt;/blockquote&gt;
&lt;p&gt;Conosci quel momento in cui vuoi fare il deploy di un&amp;rsquo;app esistente su Azure e ti ritrovi a fissare un &lt;code&gt;azure.yaml&lt;/code&gt; vuoto, cercando di ricordare se la tua API Express dovrebbe usare Container Apps o App Service? Quel momento è appena diventato molto più breve.&lt;/p&gt;
&lt;p&gt;L&amp;rsquo;Azure Developer CLI (&lt;code&gt;azd&lt;/code&gt;) si integra ora con GitHub Copilot in due modi concreti: scaffolding assistito dall&amp;rsquo;IA durante &lt;code&gt;azd init&lt;/code&gt;, e risoluzione intelligente degli errori quando i deployment falliscono. Entrambe le funzionalità rimangono completamente nel terminale — esattamente dove voglio che siano.&lt;/p&gt;
&lt;h2 id="configurazione-con-copilot-durante-azd-init"&gt;Configurazione con Copilot durante azd init&lt;/h2&gt;
&lt;p&gt;Quando esegui &lt;code&gt;azd init&lt;/code&gt;, ora compare l&amp;rsquo;opzione &amp;ldquo;Set up with GitHub Copilot (Preview)&amp;rdquo;. Selezionala e Copilot analizza la tua codebase per generare &lt;code&gt;azure.yaml&lt;/code&gt;, i template di infrastruttura e i moduli Bicep — basandosi sul tuo codice reale.&lt;/p&gt;
&lt;pre tabindex="0"&gt;&lt;code&gt;azd init
# Seleziona: &amp;#34;Set up with GitHub Copilot (Preview)&amp;#34;
&lt;/code&gt;&lt;/pre&gt;&lt;p&gt;Prerequisiti:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;strong&gt;azd 1.23.11 o superiore&lt;/strong&gt; — verifica con &lt;code&gt;azd version&lt;/code&gt; o aggiorna con &lt;code&gt;azd update&lt;/code&gt;&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Abbonamento attivo a GitHub Copilot&lt;/strong&gt; (Individual, Business o Enterprise)&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;GitHub CLI (&lt;code&gt;gh&lt;/code&gt;)&lt;/strong&gt; — &lt;code&gt;azd&lt;/code&gt; chiederà il login se necessario&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;Quello che trovo genuinamente utile: funziona in entrambi i sensi. Stai costruendo da zero? Copilot ti aiuta a configurare i servizi Azure giusti sin dall&amp;rsquo;inizio. Hai un&amp;rsquo;app esistente che volevi deployare da tempo? Punta Copilot su di essa e genera la configurazione senza che tu debba ristrutturare nulla.&lt;/p&gt;
&lt;h3 id="cosa-fa-davvero"&gt;Cosa fa davvero&lt;/h3&gt;
&lt;p&gt;Diciamo che hai un&amp;rsquo;API Express Node.js con dipendenza da PostgreSQL. Invece di decidere manualmente tra Container Apps e App Service, e poi scrivere Bicep da zero, Copilot rileva il tuo stack e genera:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Un &lt;code&gt;azure.yaml&lt;/code&gt; con le impostazioni corrette di &lt;code&gt;language&lt;/code&gt;, &lt;code&gt;host&lt;/code&gt; e &lt;code&gt;build&lt;/code&gt;&lt;/li&gt;
&lt;li&gt;Un modulo Bicep per Azure Container Apps&lt;/li&gt;
&lt;li&gt;Un modulo Bicep per Azure Database for PostgreSQL&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;E prima di toccare qualsiasi cosa esegue verifiche preventive — controlla che la tua directory git sia pulita, chiede il consenso per gli strumenti del server MCP. Niente accade senza che tu sappia esattamente cosa sta per cambiare.&lt;/p&gt;
&lt;h2 id="risoluzione-degli-errori-con-copilot"&gt;Risoluzione degli errori con Copilot&lt;/h2&gt;
&lt;p&gt;Gli errori di deployment sono inevitabili. Parametri mancanti, problemi di permessi, disponibilità degli SKU — e il messaggio d&amp;rsquo;errore raramente ti dice l&amp;rsquo;unica cosa che hai davvero bisogno di sapere: &lt;em&gt;come risolverlo&lt;/em&gt;.&lt;/p&gt;
&lt;p&gt;Senza Copilot, il ciclo è: copiare l&amp;rsquo;errore → cercare nella documentazione → leggere tre risposte irrilevanti su Stack Overflow → eseguire alcuni comandi &lt;code&gt;az&lt;/code&gt; CLI → riprovare sperando. Con Copilot integrato in &lt;code&gt;azd&lt;/code&gt;, questo ciclo collassa. Quando qualsiasi comando &lt;code&gt;azd&lt;/code&gt; fallisce, offre immediatamente quattro opzioni:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;strong&gt;Explain&lt;/strong&gt; — spiegazione in linguaggio naturale di cosa è andato storto&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Guidance&lt;/strong&gt; — istruzioni passo dopo passo per correggere il problema&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Diagnose and Guide&lt;/strong&gt; — analisi completa + Copilot applica la correzione (con la tua approvazione) + retry opzionale&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Skip&lt;/strong&gt; — gestire da soli&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;Il punto cruciale: Copilot ha già il contesto del tuo progetto, il comando che ha fallito e l&amp;rsquo;output dell&amp;rsquo;errore. I suoi suggerimenti sono specifici per &lt;em&gt;la tua situazione&lt;/em&gt;, non documentazione generica.&lt;/p&gt;
&lt;h3 id="configurare-il-comportamento-predefinito"&gt;Configurare il comportamento predefinito&lt;/h3&gt;
&lt;p&gt;Se scegli sempre la stessa opzione, salta il prompt interattivo:&lt;/p&gt;
&lt;pre tabindex="0"&gt;&lt;code&gt;azd config set copilot.errorHandling.category troubleshoot
&lt;/code&gt;&lt;/pre&gt;&lt;p&gt;Valori: &lt;code&gt;explain&lt;/code&gt;, &lt;code&gt;guidance&lt;/code&gt;, &lt;code&gt;troubleshoot&lt;/code&gt;, &lt;code&gt;fix&lt;/code&gt;, &lt;code&gt;skip&lt;/code&gt;. Puoi anche abilitare auto-fix e retry:&lt;/p&gt;
&lt;pre tabindex="0"&gt;&lt;code&gt;azd config set copilot.errorHandling.fix allow
&lt;/code&gt;&lt;/pre&gt;&lt;p&gt;Ritorno alla modalità interattiva in qualsiasi momento:&lt;/p&gt;
&lt;pre tabindex="0"&gt;&lt;code&gt;azd config unset copilot.errorHandling.category
&lt;/code&gt;&lt;/pre&gt;&lt;h2 id="conclusione"&gt;Conclusione&lt;/h2&gt;
&lt;p&gt;Questo è esattamente il tipo di integrazione di Copilot che porta valore reale. Provalo eseguendo &lt;code&gt;azd update&lt;/code&gt; per ottenere l&amp;rsquo;ultima versione e usa &lt;code&gt;azd init&lt;/code&gt; nel tuo prossimo progetto.&lt;/p&gt;
&lt;p&gt;Leggi l&amp;rsquo;&lt;a href="https://devblogs.microsoft.com/azure-sdk/azd-copilot-integration/"&gt;annuncio originale qui&lt;/a&gt;.&lt;/p&gt;</content:encoded></item><item><title>Scrivere addon nativi Node.js in C# con .NET Native AOT</title><link>https://thedotnetblog.com/it/posts/emiliano-montesdeoca/nodejs-addons-csharp-native-aot/</link><pubDate>Tue, 21 Apr 2026 00:00:00 +0000</pubDate><author>Emiliano Montesdeoca</author><guid>https://thedotnetblog.com/it/posts/emiliano-montesdeoca/nodejs-addons-csharp-native-aot/</guid><description>Il team di C# Dev Kit ha sostituito gli addon Node.js scritti in C++ con .NET Native AOT — il risultato è più pulito, più sicuro e richiede solo il SDK .NET.</description><content:encoded>&lt;blockquote&gt;
&lt;p&gt;&lt;em&gt;Questo articolo è stato tradotto automaticamente. Per la versione originale in inglese, &lt;a href="https://thedotnetblog.com/it/posts/emiliano-montesdeoca/nodejs-addons-csharp-native-aot/"&gt;clicca qui&lt;/a&gt;.&lt;/em&gt;&lt;/p&gt;
&lt;/blockquote&gt;
&lt;p&gt;Uno scenario che adoro: un team che lavora su strumenti .NET aveva addon nativi Node.js scritti in C++ e compilati tramite &lt;code&gt;node-gyp&lt;/code&gt;. Funzionava. Ma richiedeva Python installato su ogni macchina dello sviluppatore — una vecchia versione di Python, per giunta — solo per costruire un pacchetto che nessuno nel team avrebbe mai toccato direttamente.&lt;/p&gt;
&lt;p&gt;Si sono quindi posti una domanda molto ragionevole: abbiamo già il SDK .NET installato, perché stiamo scrivendo C++?&lt;/p&gt;
&lt;p&gt;La risposta è stata Native AOT, e il risultato è genuinamente elegante.&lt;/p&gt;
&lt;h2 id="lidea-di-base"&gt;L&amp;rsquo;idea di base&lt;/h2&gt;
&lt;p&gt;Un addon nativo Node.js è una libreria condivisa (&lt;code&gt;.dll&lt;/code&gt; su Windows, &lt;code&gt;.so&lt;/code&gt; su Linux, &lt;code&gt;.dylib&lt;/code&gt; su macOS) che Node.js può caricare a runtime. L&amp;rsquo;interfaccia si chiama &lt;a href="https://nodejs.org/api/n-api.html"&gt;N-API&lt;/a&gt; — una API C stabile e compatibile con ABI. A N-API non importa quale linguaggio ha prodotto la libreria, solo che esporti i simboli giusti.&lt;/p&gt;
&lt;p&gt;.NET Native AOT può produrre esattamente questo. Compila il codice C# ahead-of-time in una libreria nativa condivisa con punti di ingresso arbitrari. Questo è tutto il trucco.&lt;/p&gt;
&lt;h2 id="setup-del-progetto"&gt;Setup del progetto&lt;/h2&gt;
&lt;p&gt;Il file di progetto è minimale:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-xml" data-lang="xml"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="nt"&gt;&amp;lt;Project&lt;/span&gt; &lt;span class="na"&gt;Sdk=&lt;/span&gt;&lt;span class="s"&gt;&amp;#34;Microsoft.NET.Sdk&amp;#34;&lt;/span&gt;&lt;span class="nt"&gt;&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="nt"&gt;&amp;lt;PropertyGroup&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="nt"&gt;&amp;lt;TargetFramework&amp;gt;&lt;/span&gt;net10.0&lt;span class="nt"&gt;&amp;lt;/TargetFramework&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="nt"&gt;&amp;lt;PublishAot&amp;gt;&lt;/span&gt;true&lt;span class="nt"&gt;&amp;lt;/PublishAot&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="nt"&gt;&amp;lt;AllowUnsafeBlocks&amp;gt;&lt;/span&gt;true&lt;span class="nt"&gt;&amp;lt;/AllowUnsafeBlocks&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="nt"&gt;&amp;lt;/PropertyGroup&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="nt"&gt;&amp;lt;/Project&amp;gt;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;&lt;code&gt;PublishAot&lt;/code&gt; dice all&amp;rsquo;SDK di produrre una libreria condivisa a &lt;code&gt;dotnet publish&lt;/code&gt;. &lt;code&gt;AllowUnsafeBlocks&lt;/code&gt; è necessario per l&amp;rsquo;interop N-API con puntatori a funzione e buffer fissi.&lt;/p&gt;
&lt;h2 id="esportare-il-punto-di-ingresso"&gt;Esportare il punto di ingresso&lt;/h2&gt;
&lt;p&gt;Node.js si aspetta che la tua libreria esporti &lt;code&gt;napi_register_module_v1&lt;/code&gt;. In C#, &lt;code&gt;[UnmanagedCallersOnly]&lt;/code&gt; fa esattamente questo:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-csharp" data-lang="csharp"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="kd"&gt;public&lt;/span&gt; &lt;span class="kd"&gt;static&lt;/span&gt; &lt;span class="kd"&gt;unsafe&lt;/span&gt; &lt;span class="kd"&gt;partial&lt;/span&gt; &lt;span class="k"&gt;class&lt;/span&gt; &lt;span class="nc"&gt;RegistryAddon&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="na"&gt; [UnmanagedCallersOnly(
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="na"&gt; EntryPoint = &amp;#34;napi_register_module_v1&amp;#34;,
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="na"&gt; CallConvs = [typeof(CallConvCdecl)]&lt;/span&gt;&lt;span class="p"&gt;)]&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="kd"&gt;public&lt;/span&gt; &lt;span class="kd"&gt;static&lt;/span&gt; &lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;Init&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;exports&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;Initialize&lt;/span&gt;&lt;span class="p"&gt;();&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;RegisterFunction&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;exports&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;&amp;#34;readStringValue&amp;#34;&lt;/span&gt;&lt;span class="n"&gt;u8&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="p"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;ReadStringValue&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;exports&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Cose da notare: &lt;code&gt;nint&lt;/code&gt; è un intero di dimensione nativa — l&amp;rsquo;equivalente gestito di &lt;code&gt;intptr_t&lt;/code&gt;. Il suffisso &lt;code&gt;u8&lt;/code&gt; produce un &lt;code&gt;ReadOnlySpan&amp;lt;byte&amp;gt;&lt;/code&gt; con un letterale stringa UTF-8, passato direttamente a N-API senza alcuna allocazione di encoding. E &lt;code&gt;[UnmanagedCallersOnly]&lt;/code&gt; esporta il metodo con esattamente il nome del punto di ingresso che Node.js cerca.&lt;/p&gt;
&lt;h2 id="risolvere-n-api-contro-il-processo-host"&gt;Risolvere N-API contro il processo host&lt;/h2&gt;
&lt;p&gt;Le funzioni N-API sono esportate da &lt;code&gt;node.exe&lt;/code&gt; stesso, non da una libreria separata. Quindi invece di linkare contro qualcosa, le si risolve contro il processo in esecuzione all&amp;rsquo;avvio:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-csharp" data-lang="csharp"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="kd"&gt;private&lt;/span&gt; &lt;span class="kd"&gt;static&lt;/span&gt; &lt;span class="k"&gt;void&lt;/span&gt; &lt;span class="n"&gt;Initialize&lt;/span&gt;&lt;span class="p"&gt;()&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;NativeLibrary&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;SetDllImportResolver&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;System&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Reflection&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Assembly&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;GetExecutingAssembly&lt;/span&gt;&lt;span class="p"&gt;(),&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;ResolveDllImport&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="kd"&gt;static&lt;/span&gt; &lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;ResolveDllImport&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="kt"&gt;string&lt;/span&gt; &lt;span class="n"&gt;libraryName&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;Assembly&lt;/span&gt; &lt;span class="n"&gt;assembly&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;DllImportSearchPath&lt;/span&gt;&lt;span class="p"&gt;?&lt;/span&gt; &lt;span class="n"&gt;searchPath&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;libraryName&lt;/span&gt; &lt;span class="k"&gt;is&lt;/span&gt; &lt;span class="n"&gt;not&lt;/span&gt; &lt;span class="s"&gt;&amp;#34;node&amp;#34;&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="m"&gt;0&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;NativeLibrary&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;GetMainProgramHandle&lt;/span&gt;&lt;span class="p"&gt;();&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Con questo in place, le dichiarazioni P/Invoke funzionano correttamente con &lt;code&gt;[LibraryImport]&lt;/code&gt; e marshalling generato da sorgente.&lt;/p&gt;
&lt;h2 id="una-funzione-esportata-reale"&gt;Una funzione esportata reale&lt;/h2&gt;
&lt;p&gt;Ecco il lettore del registro che hanno costruito:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-csharp" data-lang="csharp"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="na"&gt;[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)]&lt;/span&gt;&lt;span class="p"&gt;)]&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="kd"&gt;private&lt;/span&gt; &lt;span class="kd"&gt;static&lt;/span&gt; &lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;ReadStringValue&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;nint&lt;/span&gt; &lt;span class="n"&gt;info&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;try&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="kt"&gt;var&lt;/span&gt; &lt;span class="n"&gt;keyPath&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="n"&gt;GetStringArg&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;info&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="m"&gt;0&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="kt"&gt;var&lt;/span&gt; &lt;span class="n"&gt;valueName&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="n"&gt;GetStringArg&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;info&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="m"&gt;1&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;keyPath&lt;/span&gt; &lt;span class="k"&gt;is&lt;/span&gt; &lt;span class="kc"&gt;null&lt;/span&gt; &lt;span class="p"&gt;||&lt;/span&gt; &lt;span class="n"&gt;valueName&lt;/span&gt; &lt;span class="k"&gt;is&lt;/span&gt; &lt;span class="kc"&gt;null&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;ThrowError&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;&amp;#34;Expected two string arguments: keyPath, valueName&amp;#34;&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="m"&gt;0&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;using&lt;/span&gt; &lt;span class="nn"&gt;var&lt;/span&gt; &lt;span class="n"&gt;key&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="n"&gt;Registry&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;CurrentUser&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;OpenSubKey&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;keyPath&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;writable&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="kc"&gt;false&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;key&lt;/span&gt;&lt;span class="p"&gt;?.&lt;/span&gt;&lt;span class="n"&gt;GetValue&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;valueName&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="k"&gt;is&lt;/span&gt; &lt;span class="kt"&gt;string&lt;/span&gt; &lt;span class="k"&gt;value&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;?&lt;/span&gt; &lt;span class="n"&gt;CreateString&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="k"&gt;value&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;GetUndefined&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;catch&lt;/span&gt; &lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;Exception&lt;/span&gt; &lt;span class="n"&gt;ex&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="n"&gt;ThrowError&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;env&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;$&amp;#34;Registry read failed: {ex.Message}&amp;#34;&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="m"&gt;0&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="p"&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Nota importante sul &lt;code&gt;try/catch&lt;/code&gt;: un&amp;rsquo;eccezione non gestita in un metodo &lt;code&gt;[UnmanagedCallersOnly]&lt;/code&gt; fa crashare il processo host. Cattura sempre e passa a JavaScript tramite &lt;code&gt;ThrowError&lt;/code&gt;.&lt;/p&gt;
&lt;h2 id="chiamarlo-da-typescript"&gt;Chiamarlo da TypeScript&lt;/h2&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-typescript" data-lang="typescript"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="kr"&gt;const&lt;/span&gt; &lt;span class="nx"&gt;registry&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="kr"&gt;require&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s1"&gt;&amp;#39;./native/win32-x64/RegistryAddon.node&amp;#39;&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="kr"&gt;as&lt;/span&gt; &lt;span class="nx"&gt;RegistryAddon&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="kr"&gt;const&lt;/span&gt; &lt;span class="nx"&gt;sdkPath&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="nx"&gt;registry&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nx"&gt;readStringValue&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; &lt;span class="s1"&gt;&amp;#39;SOFTWARE\\dotnet\\Setup\\InstalledVersions\\x64\\sdk&amp;#39;&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s1"&gt;&amp;#39;InstallLocation&amp;#39;&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;TypeScript → C#, senza Python, senza C++.&lt;/p&gt;
&lt;h2 id="cosa-hanno-guadagnato"&gt;Cosa hanno guadagnato&lt;/h2&gt;
&lt;p&gt;La vittoria immediata è stata nell&amp;rsquo;esperienza dei contributori: nessuna versione Python specifica necessaria, &lt;code&gt;yarn install&lt;/code&gt; funziona con solo Node.js e il SDK .NET. Anche le pipeline CI sono diventate più semplici. Le prestazioni sono state comparabili all&amp;rsquo;implementazione C++.&lt;/p&gt;
&lt;h2 id="conclusione"&gt;Conclusione&lt;/h2&gt;
&lt;p&gt;Il team C# Dev Kit ha sostituito il carico di Python/C++ con codice C# pulito che tutto il team sa già scrivere e debuggare. Per il walkthrough completo con tutti gli helper di marshalling delle stringhe, dai un&amp;rsquo;occhiata all&amp;rsquo;&lt;a href="https://devblogs.microsoft.com/dotnet/writing-nodejs-addons-with-dotnet-native-aot/"&gt;articolo originale sul blog .NET&lt;/a&gt;.&lt;/p&gt;</content:encoded></item></channel></rss>