eve
Version:
Filesystem-first framework for durable backend AI agents that run anywhere.
3 lines • 1.12 kB
JavaScript
const MAX_CACHED_CONTENT_CHARS=2e5;var FileContentCache=class{#e=new Map;observeWrite(t){let n=this.#e.get(t.path);if(n?.writerCallId===t.callId)return n.previous;if(t.content.length>MAX_CACHED_CONTENT_CHARS){this.#e.delete(t.path);return}let r=n?.content,i={content:t.content,writerCallId:t.callId};return r!==void 0&&(i.previous=r),this.#e.set(t.path,i),r}clear(){this.#e.clear()}observeRead(t){let n=readFileResultShape(t);if(n===void 0||n.truncated||n.content.length>MAX_CACHED_CONTENT_CHARS)return;let r=reconstructNumberedLines(n.content);r===void 0||r.length!==n.totalLines||this.#e.set(n.path,{content:r.join(`
`)})}};function readFileResultShape(e){if(typeof e!=`object`||!e||Array.isArray(e))return;let{content:t,path:n,totalLines:r,truncated:i}=e;if(!(typeof t!=`string`||typeof n!=`string`)&&!(typeof r!=`number`||typeof i!=`boolean`))return{content:t,path:n,totalLines:r,truncated:i}}function reconstructNumberedLines(e){if(e===``)return[];let t=[];for(let[n,r]of e.split(`
`).entries()){let e=/^(\d+): (.*)$/su.exec(r);if(e===null||Number(e[1])!==n+1)return;t.push(e[2])}return t}export{FileContentCache};