eve
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Filesystem-first framework for durable backend AI agents that run anywhere.
2 lines • 3.1 kB
JavaScript
import{spawn,spawnSync}from"node:child_process";import{Readable}from"node:stream";var DockerUnavailableError=class extends Error{constructor(e){super("The Docker sandbox backend requires Docker, but the `docker` CLI was not found. Install and start Docker Desktop, OrbStack, Colima, or another runtime exposing a Docker-compatible `docker` CLI (or point EVE_DOCKER_PATH at one, e.g. Podman). Alternatively use microsandbox(), the dependency-free justbash(), vercel(), or defaultSandbox() to pick by availability.",{cause:e}),this.name=`DockerUnavailableError`}},DockerDaemonUnavailableError=class extends Error{constructor(e){super(`The Docker sandbox backend requires a running Docker daemon, but it is not reachable. Start Docker Desktop (or your Docker-compatible runtime) and retry. Alternatively use microsandbox(), the dependency-free justbash() (installed automatically by \`eve dev\`, or \`pnpm add -D just-bash\`), vercel(), or defaultSandbox() to pick by availability. Docker reported: ${e}`),this.name=`DockerDaemonUnavailableError`}};async function assertDockerDaemonAvailable(e){let t=await e.run([`version`,`--format`,`{{.Server.Version}}`]);if(t.exitCode!==0)throw new DockerDaemonUnavailableError(firstLine(t.stderr)||`exit ${t.exitCode}`)}function resolveDockerExecutable(){let e=process.env.EVE_DOCKER_PATH?.trim();return e!==void 0&&e.length>0?e:`docker`}let cachedDockerAvailability;function isDockerDaemonAvailableSync(){return cachedDockerAvailability??=probeDockerDaemonSync(),cachedDockerAvailability}function probeDockerDaemonSync(){try{return spawnSync(resolveDockerExecutable(),[`version`,`--format`,`{{.Server.Version}}`],{stdio:`ignore`,timeout:5e3}).status===0}catch{return!1}}function createDockerCli(){return{async run(t,n={}){throwIfAborted(n.signal);let r=spawn(resolveDockerExecutable(),t,{signal:n.signal,stdio:[n.stdin===void 0?`ignore`:`pipe`,`pipe`,`pipe`]}),i=[],a=[];r.stdout?.on(`data`,e=>i.push(e)),r.stderr?.on(`data`,e=>a.push(e)),n.stdin!==void 0&&r.stdin?.end(n.stdin);let o=await new Promise((e,t)=>{r.on(`error`,e=>t(adaptSpawnError(e))),r.on(`close`,t=>e(t??1))}),s=Buffer.concat(i);return{exitCode:o,stderr:Buffer.concat(a).toString(`utf8`),stdout:s.toString(`utf8`),stdoutBytes:s}},stream(t,r={}){throwIfAborted(r.signal);let i=spawn(resolveDockerExecutable(),t,{signal:r.signal,stdio:[`ignore`,`pipe`,`pipe`]}),a=new Promise((e,t)=>{i.on(`error`,e=>t(adaptSpawnError(e))),i.on(`close`,t=>e(t??1))});return a.catch(()=>{}),{stdout:Readable.toWeb(i.stdout),stderr:Readable.toWeb(i.stderr),async wait(){return{exitCode:await a}},async kill(){i.kill(`SIGKILL`),await a.catch(()=>{})}}}}}function adaptSpawnError(e){return e.code===`ENOENT`?new DockerUnavailableError(e):e.code===`ABORT_ERR`?new DOMException(`The operation was aborted.`,`AbortError`):e}function throwIfAborted(e){if(e?.aborted)throw new DOMException(`The operation was aborted.`,`AbortError`)}function firstLine(e){return e.split(`
`,1)[0]?.trim()??``}export{DockerDaemonUnavailableError,DockerUnavailableError,assertDockerDaemonAvailable,createDockerCli,isDockerDaemonAvailableSync};