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eve

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

github.com/vercel/eve

vercel/eve

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import{normalizeOrigin}from"./routing.js";import{EVE_BASE_URL_ENV,resolveSharedEveDevServer}from"./dev-server.js";import{readFile,writeFile}from"node:fs/promises";import{EVE_ROUTE_PREFIX}from"#protocol/routes.js";import{isAbsolute,join,resolve}from"node:path";import{ensureEveVercelServicesConfig,mergeEveVercelConfig}from"#shared/vercel-services.js";function resolveApplicationRoot(e,t){return t===void 0||t.length===0?e:isAbsolute(t)?t:resolve(e,t)}function mergeProxyConfig(e,t){return{...e,[EVE_ROUTE_PREFIX]:{changeOrigin:!0,target:t}}}async function resolveEveDevProxyTarget(e){let t=process.env[EVE_BASE_URL_ENV]?.trim();return t&&t.length>0?normalizeOrigin(t):(await resolveSharedEveDevServer(e)).origin}function isRecord(e){return typeof e==`object`&&!!e&&!Array.isArray(e)}async function mergeGeneratedVercelServicesConfig(e){let t;try{t=await readFile(e.outputConfigPath,`utf8`)}catch(e){if(e instanceof Error&&`code`in e&&e.code===`ENOENT`)return;throw e}let n=JSON.parse(t);if(!isRecord(n))throw Error(`Vercel Build Output config.json must contain a JSON object.`);let r=mergeEveVercelConfig(n,e.generated);await writeFile(e.outputConfigPath,`${JSON.stringify(r,null,2)}\n`)}function eveSvelteKit(e={}){let t=process.cwd(),n=resolveApplicationRoot(t,e.eveRoot),r=!1,i;return{enforce:`post`,name:`eve:sveltekit`,async config(r,a){if(t=r.root===void 0?process.cwd():resolve(process.cwd(),r.root),n=resolveApplicationRoot(t,e.eveRoot),a.command===`build`&&process.env.VERCEL){let r=await ensureEveVercelServicesConfig({appRoot:n,eveBuildCommand:e.eveBuildCommand,frameworkName:`SvelteKit`,hostRoot:t});i=r.mode===`generated`?r:void 0}if(a.command!==`serve`)return{};let o=await resolveEveDevProxyTarget(n);return a.isPreview?{preview:{proxy:mergeProxyConfig(r.preview?.proxy,o)}}:{server:{proxy:mergeProxyConfig(r.server?.proxy,o)}}},configResolved(e){r=!!e.build.ssr,t=e.root},closeBundle:{sequential:!0,async handler(){r&&i!==void 0&&await mergeGeneratedVercelServicesConfig({generated:i,outputConfigPath:join(t,`.vercel`,`output`,`config.json`)})}}}}export{eveSvelteKit};