eve/dist/src/internal/nitro/host/dev-runner.js

Filesystem-first framework for durable backend AI agents that run anywhere.

import{resolvePackageCompiledFilePath}from"#internal/application/package.js";import{existsSync}from"node:fs";import{Worker}from"node:worker_threads";import{BaseEnvRunner}from"#compiled/env-runner/index.js";var NodeDevelopmentRunner=class extends BaseEnvRunner{#e;#t=new Set;#n;#r;#i=!1;constructor(e){let t=resolvePackageCompiledFilePath(`src/compiled/env-runner/node-worker.js`);super({data:{entry:e.entry,...e.workerData},hooks:{onClose:(e,t)=>{let n=[...this.#t];this.#t.clear();for(let e of n)e(t)}},name:e.name,workerEntry:t}),this._initWithVirtualData(()=>this.#a())}onceClosed(e){if(this.closed){e(this.#e);return}this.#t.add(e)}sendMessage(e){if(this.#n===void 0)throw Error(`Development worker is not initialized.`);this.#n.postMessage(e)}async waitForReady(e){try{await super.waitForReady(e)}catch(e){throw this.#e===void 0?e:Error(`Development worker failed before readiness: ${this.#e instanceof Error?this.#e.message:String(this.#e)}`,{cause:this.#e})}}_hasRuntime(){return this.#n!==void 0}_runtimeType(){return`worker`}async _closeRuntime(){let e=this.#n;if(e===void 0)return;let t=this.#r;this.#n=void 0,this.#r=void 0;try{this.#i||e.postMessage({event:`shutdown`}),!this.#i&&t!==void 0&&!await waitForWorkerExit(t)&&await e.terminate()}finally{e.removeAllListeners()}}_handleMessage(e){isWorkerInitializationError(e)&&(this.#e=Error(e.error)),super._handleMessage(e)}#a(){if(!existsSync(this._workerEntry)){this.close(`Development worker entry not found at "${this._workerEntry}".`);return}let e=new Worker(this._workerEntry,{env:process.env,workerData:{name:this._name,...this._data}});this.#n=e,this.#i=!1;let t;this.#r=new Promise(e=>{t=e}),e.once(`error`,e=>{this.#e=e,this.close(e)}),e.once(`exit`,e=>{if(this.#i=!0,t(),!this.closed){let t=Error(`Development worker exited with code ${String(e)}.`);this.#e??=t,this.close(t)}}),e.on(`message`,e=>this._handleMessage(e))}};const createNodeDevelopmentRunner=e=>new NodeDevelopmentRunner(e);async function waitForWorkerExit(e){let t;try{return await Promise.race([e.then(()=>!0),new Promise(e=>{t=setTimeout(()=>e(!1),15e3),t.unref()})])}finally{clearTimeout(t)}}function isWorkerInitializationError(e){if(typeof e!=`object`||!e)return!1;let t=e;return t.event===`init-error`&&typeof t.error==`string`}export{createNodeDevelopmentRunner};