eve
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Filesystem-first framework for durable backend AI agents that run anywhere.
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JavaScript
import{createLogger}from"#internal/logging.js";import{POST,defineChannel}from"#public/definitions/defineChannel.js";import{getGitHubRepository}from"#public/channels/github/api.js";import{parseGitHubWebhookEvent}from"#public/channels/github/inbound.js";import{buildGitHubBinding}from"#public/channels/github/binding.js";import{continuationTokenFromState,conversationFromState,initialGitHubState,stateFromReceiveTarget}from"#public/channels/github/state.js";import{GITHUB_CHANNEL_DEFAULT_ROUTE}from"#public/channels/github/constants.js";import{createDefaultEvents,defaultOnComment}from"#public/channels/github/defaults.js";import{dispatchIssue,dispatchIssueComment,dispatchPullRequest,dispatchPullRequestReviewComment}from"#public/channels/github/dispatch.js";import{verifyGitHubRequest}from"#public/channels/github/verify.js";const log=createLogger(`github.channel`);function githubChannel(e={}){let s=e.botName??process.env.GITHUB_APP_SLUG,u={botName:s},d={...createDefaultEvents({api:e.api,credentials:e.credentials,progress:e.progress}),...e.events};return defineChannel({kindHint:`github`,state:initialGitHubState(),context(t,n){return rebuildGitHubContext(t,n,e)},routes:[POST(e.route??GITHUB_CHANNEL_DEFAULT_ROUTE,async(t,{send:n,waitUntil:r})=>{let a=await verifyInbound(t,e.credentials);if(a===null)return new Response(`unauthorized`,{status:401});let o;try{o=parseGitHubWebhookEvent({body:a,contentType:t.headers.get(`content-type`)??void 0,headers:t.headers})}catch(e){return log.warn(`inbound GitHub body is not valid JSON`,{error:e}),jsonOk({ignored:!0,ok:!0})}return o===null?jsonOk({ignored:!0,ok:!0}):o.kind===`ping`?jsonOk({ok:!0}):o.kind===`issue_comment`&&o.action===`created`?(r(dispatchIssueComment({botName:s,config:e,event:o,handler:e.onComment??((e,t)=>defaultOnComment(e,t,u)),send:n})),jsonOk({ok:!0})):o.kind===`pull_request_review_comment`&&o.action===`created`?(r(dispatchPullRequestReviewComment({botName:s,config:e,event:o,handler:e.onComment??((e,t)=>defaultOnComment(e,t,u)),send:n})),jsonOk({ok:!0})):o.kind===`issues`&&e.onIssue!==void 0?(r(dispatchIssue({config:e,event:o,handler:e.onIssue,send:n})),jsonOk({ok:!0})):o.kind===`pull_request`&&e.onPullRequest!==void 0?(r(dispatchPullRequest({config:e,event:o,handler:e.onPullRequest,send:n})),jsonOk({ok:!0})):jsonOk({ignored:!0,ok:!0})})],async receive(t,{send:n}){let i=t.target,s=readNonEmptyString(i.owner),c=readNonEmptyString(i.repo);if(s===void 0||c===void 0)throw Error(`githubChannel().receive requires target.owner and target.repo.`);if([i.issueNumber!==void 0,i.pullRequestNumber!==void 0].filter(Boolean).length!==1)throw Error(`githubChannel().receive requires exactly one of issueNumber or pullRequestNumber.`);let l=stateFromReceiveTarget({target:i,owner:s,repo:c,repositoryId:i.repositoryId??(await getGitHubRepository({api:e.api,credentials:e.credentials,installationId:i.installationId,owner:s,repo:c})).id});if(i.initialMessage!==void 0){let{thread:t}=buildGitHubBinding({config:e,state:l});await t.post(i.initialMessage)}return n(t.message,{auth:t.auth,continuationToken:continuationTokenFromState(l),state:l})},events:d})}function rebuildGitHubContext(e,t,n){let r=buildGitHubBinding({config:n,state:e});return{conversation:conversationFromState(e),github:r.github,repository:r.github.repository,state:e,thread:r.thread}}async function verifyInbound(e,t){try{return await verifyGitHubRequest(e,{webhookSecret:t?.webhookSecret,webhookVerifier:t?.webhookVerifier})}catch(e){return log.warn(`github inbound verification failed`,{error:e}),null}}function readNonEmptyString(e){return typeof e==`string`&&e.length>0?e:void 0}function jsonOk(e){return new Response(JSON.stringify(e),{headers:{"content-type":`application/json; charset=utf-8`},status:200})}export{githubChannel};