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;constructor(t){let n=resolvePackageCompiledFilePath(`src/compiled/env-runner/node-worker.js`);super({data:{entry:t.entry,...t.workerData},hooks:{onClose:(e,t)=>{let n=[...this.#t];this.#t.clear();for(let e of n)e(t)}},name:t.name,workerEntry:n}),this._initWithVirtualData(()=>this.#r())}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: ${this.#e instanceof Error?this.#e.message:String(this.#e)}`,{cause:this.#e})}}_hasRuntime(){return this.#n!==void 0}_runtimeType(){return`worker`}async _closeRuntime(){let e=this.#n;e!==void 0&&(this.#n=void 0,e.removeAllListeners(),await e.terminate())}_handleMessage(e){isWorkerInitializationError(e)&&(this.#e=Error(e.error)),super._handleMessage(e)}#r(){if(!existsSync(this._workerEntry)){this.close(`Development worker entry not found at "${this._workerEntry}".`);return}let e=new Worker(this._workerEntry,{env:process.env,workerData:{name:this._name,...this._data}});this.#n=e,e.once(`error`,e=>{this.#e=e,this.close(e)}),e.once(`exit`,e=>{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);function isWorkerInitializationError(e){if(typeof e!=`object`||!e)return!1;let t=e;return t.event===`init-error`&&typeof t.error==`string`}export{createNodeDevelopmentRunner};