eve/dist/src/source-change/static-source-change.js

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

import{join}from"node:path";import{readFile,rename,writeFile}from"node:fs/promises";import{checkAgentConfigSource}from"#source-change/agent-config-string-path.js";import{applyAgentModelSettingsToSource}from"#source-change/apply-agent-model-settings.js";import{applyModelNameToSource}from"#source-change/apply-model-name.js";function createStaticSourceChange(e){return{updateModelName:t=>updateAgentModelName(e,t),updateModelSettings:t=>updateAgentModelSettings(e,t)}}async function updateAgentModelSettings(n,r){let i=n.configModule;if(i===void 0)return{kind:`bail`,reason:`agent has no agent.ts config module to edit`,at:{logicalPath:`agent.ts`,line:1}};let o=join(n.agentRoot,i.logicalPath),s=await readFile(o,`utf8`),c=await applyAgentModelSettingsToSource(s,r);if(c.kind===`bail`)return{kind:`bail`,reason:c.reason,at:{logicalPath:i.logicalPath,line:c.line}};let l=await editedSourceBail(s,c.nextSource,i.logicalPath);return l===void 0?(await writeSourceIfChanged(o,s,c.nextSource),{kind:`applied`,changed:c.changed}):l}async function updateAgentModelName(n,r){let i=n.configModule;if(i===void 0)return{kind:`bail`,reason:`agent has no agent.ts config module to edit`,at:{logicalPath:`agent.ts`,line:1}};let a=join(n.agentRoot,i.logicalPath),s=await readFile(a,`utf8`),c=await applyModelNameToSource(s,r);if(c.kind===`bail`)return{kind:`bail`,reason:c.reason,at:{logicalPath:i.logicalPath,line:c.line}};let l=await editedSourceBail(s,c.nextSource,i.logicalPath);return l===void 0?(await writeSourceIfChanged(a,s,c.nextSource),{kind:`applied`,from:c.from,to:c.to}):l}async function writeSourceIfChanged(e,t,i){if(i===t)return;let a=`${e}.${process.pid}.eve-tmp`;await writeFile(a,i,`utf8`),await rename(a,e)}async function editedSourceBail(e,t,n){if(t===e)return;let r=await checkAgentConfigSource(t);if(r!==void 0)return{kind:`bail`,reason:`the edit produced source eve refuses to write (${r})`,at:{logicalPath:n,line:1}}}export{createStaticSourceChange};