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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{isLoopbackHostname}from"#shared/network-address.js";import{isSessionInboxAddress}from"#execution/session-inbox/address.js";import{inputOptionSchema}from"#shared/input.js";const PROXY_INPUT_REQUESTS_KEY=`eve.runtime.proxyInputRequests`,PROXY_INPUT_REQUEST_KINDS={question:!0,"session-limit":!0,"tool-approval":!0};function createTaskInputRequestId(e,t){return`${e}:${t}`}function getProxyInputRequests(e){return new Map(Object.entries(readMap(e)))}function hasProxyInputRequests(e){for(let t of Object.keys(readMap(e)))return!0;return!1}function upsertProxyInputRequests(e){return{...e.session,state:upsertProxyInputRequestState({entries:e.entries,forChildContinuationToken:e.forChildContinuationToken,state:e.session.state})}}function upsertProxyInputRequestState(e){let t={};for(let[n,r]of Object.entries(readMap(e.state)))r.childContinuationToken!==e.forChildContinuationToken&&(t[n]=r);for(let[n,r]of e.entries)t[n]=r;let n={...e.state};return Object.keys(t).length===0?delete n[PROXY_INPUT_REQUESTS_KEY]:n[PROXY_INPUT_REQUESTS_KEY]=t,Object.keys(n).length>0?n:void 0}function clearProxyInputRequestsForChild(e,t){return clearProxyInputRequestsWhere(e,e=>e.childContinuationToken===t)}function clearProxyInputRequestsWhere(e,t){let n=readMap(e.state),r={},i=!1;for(let[e,a]of Object.entries(n)){if(t(a)){i=!0;continue}r[e]=a}return i?writeMap(e,r):e}function retireProxyInputRequests(e,t){let n={...readMap(e.state)},r=!1;for(let e of t)Object.hasOwn(n,e)&&(delete n[e],r=!0);return r?writeMap(e,n):e}function clearProxyInputRequestsForTask(e,t){return clearProxyInputRequestsWhere(e,e=>e.taskId===t)}function clearAllProxyInputRequests(e){return hasProxyInputRequests(e.state)?writeMap(e,{}):e}function toProxyInputRequestEntries(e,t){let n={approvalRequestIds:e.event.requests.flatMap(e=>e.kind===`tool-approval`?[e.requestId]:[]),requestIds:e.event.requests.map(e=>e.requestId)};return e.event.requests.map(r=>{let i={batch:n,childContinuationToken:e.childContinuationToken,kind:r.kind};return t!==void 0&&(i.taskId=t),e.childSessionInbox?.sessionId===e.childSessionId&&(i.childSessionInbox=e.childSessionInbox),[r.requestId,i]})}function readMap(e){let t=e?.[PROXY_INPUT_REQUESTS_KEY];if(typeof t!=`object`||!t||Array.isArray(t))return{};let n={};for(let[e,r]of Object.entries(t)){let t=parseProxyInputRequest(r,e);t!==void 0&&(n[e]=t)}return n}function writeMap(e,t){let n={...e.state};return Object.keys(t).length===0?(delete n[PROXY_INPUT_REQUESTS_KEY],{...e,state:Object.keys(n).length>0?n:void 0}):(n[PROXY_INPUT_REQUESTS_KEY]=t,{...e,state:n})}function parseProxyInputRequest(e,t){if(typeof e!=`object`||!e||Array.isArray(e)||!(`childContinuationToken`in e)||!(`kind`in e)||typeof e.childContinuationToken!=`string`||!isInputRequestKind(e.kind))return;let n=`taskId`in e?e.taskId:void 0,r=`childRequestId`in e?e.childRequestId:void 0,i=`childResponseUrl`in e?e.childResponseUrl:void 0;if(n!==void 0&&(typeof n!=`string`||n.length===0)||r!==void 0&&(typeof r!=`string`||r.length===0)||n===void 0!=(r===void 0)||i!==void 0&&(typeof i!=`string`||!isAllowedChildResponseUrl(i)))return;let a=`batch`in e?parseProxyInputRequestBatch(e.batch):void 0,o=`answerHook`in e?parseAnswerHookRoute(e.answerHook):void 0;if(`answerHook`in e&&o===void 0)return;let s=`childSessionInbox`in e?e.childSessionInbox:void 0;if(s!==void 0&&!isSessionInboxAddress(s))return;let c={childContinuationToken:e.childContinuationToken,kind:e.kind};return o!==void 0&&(c.answerHook=o),s!==void 0&&(c.childSessionInbox=s),a!==void 0&&a.requestIds.includes(t)&&(c.batch=a),typeof r==`string`&&(c.childRequestId=r),typeof i==`string`&&(c.childResponseUrl=i),typeof n==`string`&&(c.taskId=n),c}function parseAnswerHookRoute(e){if(typeof e!=`object`||!e||!(`runId`in e)||typeof e.runId!=`string`||e.runId.length===0)return;if(!(`question`in e)||e.question===void 0)return{runId:e.runId};let t=parseAnswerHookQuestion(e.question);return t===void 0?void 0:{question:t,runId:e.runId}}function parseAnswerHookQuestion(e){if(typeof e!=`object`||!e||Array.isArray(e))return;let t={};for(let n of[`allowFreeform`,`dismissible`]){let r=Reflect.get(e,n);if(r!==void 0){if(typeof r!=`boolean`)return;t[n]=r}}let n=Reflect.get(e,`options`);if(n!==void 0){let e=inputOptionSchema.array().safeParse(n);if(!e.success)return;t.options=e.data}return t}function parseProxyInputRequestBatch(e){if(typeof e!=`object`||!e||Array.isArray(e)||!(`approvalRequestIds`in e)||!(`requestIds`in e)||!isStringArray(e.approvalRequestIds)||!isStringArray(e.requestIds))return;let t=new Set(e.requestIds);if(!(t.size!==e.requestIds.length||e.approvalRequestIds.some(e=>!t.has(e))))return{approvalRequestIds:e.approvalRequestIds,requestIds:e.requestIds}}function isStringArray(e){return Array.isArray(e)&&e.every(e=>typeof e==`string`)}function isAllowedChildResponseUrl(e){let t;try{t=new URL(e)}catch{return!1}return t.protocol===`https:`||t.protocol===`http:`&&isLoopbackHostname(t.hostname)}function isInputRequestKind(e){return typeof e==`string`&&Object.hasOwn(PROXY_INPUT_REQUEST_KINDS,e)}export{clearAllProxyInputRequests,clearProxyInputRequestsForChild,clearProxyInputRequestsForTask,clearProxyInputRequestsWhere,createTaskInputRequestId,getProxyInputRequests,hasProxyInputRequests,retireProxyInputRequests,toProxyInputRequestEntries,upsertProxyInputRequestState,upsertProxyInputRequests};