eve/dist/src/cli/dev/tui/blocks.js

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

import{isPromptControlCommand}from"./prompt-commands.js";import{renderMarkdown}from"./markdown.js";import{elisionText}from"./rail.js";import{renderTool}from"./tool-rows.js";import{clipVisible,sliceVisible,visibleLength,wrapVisibleLine}from"#cli/ui/terminal-text.js";function renderBlockLines(e,t,n,r){let i=e.depth??0,a=nestingPrefix(i,n),s=renderBody(e,Math.max(8,t-visibleLength(a)),n,r);if(e.closesRail===!0&&i>0){let e=closingPrefix(i,n);return s.map((t,n)=>`${n===s.length-1?e:a}${t}`)}return s.map(e=>`${a}${e}`)}function nestingPrefix(e,t){return e<=0?``:`  ${`${t.colors.dim(t.glyph.rule)} `.repeat(e)}`}function closingPrefix(e,t){return`  ${`${t.colors.dim(t.glyph.rule)} `.repeat(e-1)}${t.colors.dim(t.glyph.corner)} `}function renderBody(e,t,a,o){if(e.elided!==void 0&&e.kind===`subagent-step`)return[` ${elisionText(e.elided,a)}`];switch(e.kind){case`user`:return renderUser(e,t,a);case`assistant`:case`subagent-step`:return renderProse(e,t,a);case`reasoning`:return renderReasoning(e,t,a);case`tool`:case`subagent-tool`:return renderTool(e,t,a,o);case`error`:return renderError(e,t,a);case`notice`:return renderNotice(e,t,a);case`warning`:return renderWarning(e,t,a);case`result`:return renderResult(e,t,a);case`flow`:return renderFlow(e,t,a);case`command`:return renderCommand(e,a);case`question`:case`connection-auth`:return renderPreformatted(e,t,a);case`sandbox`:return renderSandbox(e,t,a,o);case`log`:return renderLog(e,t,a);case`subagent`:return renderSubagentHeader(e,t,a);case`subagent-close`:{let n=`  ${a.colors.dim(a.glyph.corner)}`;return e.body!==void 0&&e.body.length>0?[clipVisible(`${n} ${a.colors.dim(e.body)}`,Math.max(1,t))]:[n]}case`turn-stats`:return renderTurnStats(e,t,a);case`session-boundary`:case`todo-list`:case`agent-header`:return(e.body??``).split(`
`)}}function renderUser(e,t,n){let r=n.colors.cyan(n.glyph.user);return wrap(e.body??``,t-2).map(e=>`${r} ${e}`)}function renderProse(e,n,r){let i=[],o=e.kind===`subagent-step`;if(o&&e.collapsed===!0){let t=firstNonEmptyLine(e.body)??(e.reasoning===void 0?void 0:firstNonEmptyLine(e.reasoning));return t===void 0?[]:[r.colors.dim(sliceVisible(t,Math.max(1,n)))]}let c=o?``:`${r.colors.bold(r.glyph.brand)} `,l=o?``:`  `;e.reasoning&&e.reasoning.trim().length>0&&i.push(...renderReasoningLines(e.reasoning,n,r));let u=(e.body??``).trim();return u.length===0&&i.length===0?[`${c}${r.colors.dim(`thinking${r.glyph.ellipsis}`)}`]:(u.length>0&&renderMarkdown(u,n-l.length).split(`
`).flatMap(e=>wrapVisibleLine(e,n-l.length)).forEach((e,t)=>{t===0&&!o&&i.length===0?i.push(`${c}${e}`):i.push(`${l}${e}`)}),i.length>0?i:[`${c}`])}function renderReasoning(e,t,n){return e.collapsed?[`${n.colors.gray(n.glyph.reasoning)} ${n.colors.dim(e.title??`thinking`)}`]:renderReasoningLines(e.body??``,t,n,n.glyph.reasoning)}function renderReasoningLines(e,t,n,r){let i=r?2:0,a=wrap(e.trim(),t-i);return a.length===0?[]:a.map((e,t)=>`${r?t===0?`${n.colors.gray(r)} `:`  `:``}${n.colors.dim(n.colors.italic(e))}`)}function renderError(e,t,n){let r=n.colors.red(n.colors.bold(n.glyph.error)),i=e.title??`Error`,a=[`${r} ${n.colors.red(n.colors.bold(i))}`];for(let r of wrap(e.body??``,t-2))a.push(`  ${colorizeError(r,n)}`);if(e.hint!==void 0&&e.hint.trim().length>0)for(let[r,i]of wrap(e.hint,t-4).entries()){let e=r===0?`${n.glyph.arrow} `:`  `;a.push(`  ${n.colors.cyan(`${e}${i}`)}`)}return a.push(...renderErrorDetail(e.detail,t,n)),a}function renderErrorDetail(e,t,n){if(e===void 0||e.trim().length===0)return[];let r=e.split(`
`),i=r.slice(0,12),a=i.map(e=>`  ${n.colors.dim(truncatePlain(e,Math.max(1,t-2)))}`),o=r.length-i.length;return o>0&&a.push(`  ${n.colors.dim(`${n.glyph.ellipsis} +${o} more line${o===1?``:`s`}`)}`),a}const URL_PATTERN=/(https?:\/\/\S+)/u;function colorizeError(e,t){return URL_PATTERN.test(e)?e.split(URL_PATTERN).map((e,n)=>n%2==1?t.colors.cyan(e):t.colors.red(e)).join(``):t.colors.red(e)}function renderNotice(e,t,n){let r=n.colors.dim(n.glyph.dot),i=wrap(e.body??``,t-2);return i.length===0?[r]:i.map(e=>`${r} ${n.colors.dim(e)}`)}function renderAttentionRows(e,t,n){let r=n.colors.yellow(n.glyph.warning);return wrap(e,t-2).map((e,t)=>`${t===0?r:` `} ${paintCommands(e,n)}`)}function renderWarning(e,t,n){return renderAttentionRows(e.body??``,t,n)}function paintCommands(t,n){return t.replace(/\/[a-z:-]+/g,t=>isPromptControlCommand(t)?n.colors.blue(t):t)}function renderCommand(e,t){let n=t.colors,r=e.status===`error`?`${n.red(t.glyph.error)} `:``;return[`${n.cyan(t.glyph.user)} ${r}${n.blue(e.body??``)}`]}function renderFlow(e,t,n){let r=n.colors,i=e.title??`info`,a=i===`success`?r.green(n.glyph.success):i===`warning`?r.yellow(n.glyph.warning):i===`error`?r.red(n.glyph.error):r.dim(n.glyph.dot),o=wrap(e.body??``,t-2),paint=e=>i===`info`?r.dim(e):e;return o.map((e,t)=>`${t===0?a:` `} ${paint(e)}`)}function renderResult(e,t,n){let r=n.colors.dim(n.glyph.elbow),i=wrap(e.body??``,t-7);if(i.length===0)return[`   ${r}`];let dim=e=>n.colors.dim(e.replaceAll(`\x1B[22m`,`\x1B[22m\x1B[2m`));return i.map((e,t)=>t===0?`   ${r}  ${dim(e)}`:`      ${dim(e)}`)}function renderPreformatted(e,t,n){let r=e.kind===`connection-auth`?n.colors.yellow(n.glyph.connection):n.colors.yellow(n.colors.bold(n.glyph.question)),i=e.kind===`question`?`   `:`  `,a=wrap(e.title??``,t-2),o=a.length===0?[`${r} `]:a.map((e,t)=>t===0?`${r} ${n.colors.bold(e)}`:`  ${n.colors.bold(e)}`);for(let n of(e.body??``).split(`
`))for(let e of wrapVisibleLine(n,Math.max(1,t-i.length)))o.push(`${i}${e}`);return o}function renderSandbox(e,t,n,r){let i=n.colors.cyan(n.glyph.rule),a=n.colors.dim(`sandbox ${n.glyph.dot} `),c=visibleLength(a),l=` `.repeat(c),u=r.previous?.kind===`sandbox`,d=(e.body??``).split(`
`),f=[];for(let e of d){let r=wrapVisibleLine(e,Math.max(1,t-2-c));for(let e of r){let t=f.length===0&&!u?a:l;f.push(`${i} ${t}${n.colors.gray(e)}`)}}return f.length>0?f:[`${i}`]}function renderLog(e,t,r){let i=e.title===`stderr`,a=i?r.colors.red:r.colors.gray,o=r.colors.dim(r.glyph.rule),c=i?`stderr`:`stdout`,l=[`${r.colors.dim(r.glyph.reasoning)} ${r.colors.dim(c)}`];e.elided!==void 0&&e.elided>0&&l.push(`${o} ${elisionText(e.elided,r)}`);for(let n of(e.body??``).split(`
`))for(let e of wrapVisibleLine(n,Math.max(1,t-2)))l.push(`${o} ${r.colors.dim(a(e))}`);return l}function renderTurnStats(e,t,n){let r=`${n.glyph.corner} ${e.body??``}`;return[n.colors.dim(truncatePlain(r,Math.max(1,t)))]}function renderSubagentHeader(e,t,n){let r=truncatePlain(e.title===void 0||e.title===`agent`?`self`:e.title,Math.max(8,t-16)),i=e.subtitle!==void 0&&e.subtitle.startsWith(`#`),a=i?`:${e.subtitle.slice(1)}`:``,o=`  ${e.status===`done`?n.colors.green(n.glyph.subagent):n.colors.orange(n.glyph.subagent)} ${n.colors.bold(`subagent(${r}${a})`)}`;return!i&&e.subtitle!==void 0&&e.subtitle.length>0&&(o+=` ${n.colors.dim(e.subtitle)}`),[o]}function firstNonEmptyLine(e){return e===void 0?void 0:e.split(/\r?\n/u).find(e=>e.trim().length>0)?.trim()}function wrap(e,t){return e.trim().length===0?[]:e.split(`
`).flatMap(e=>wrapVisibleLine(e,Math.max(1,t)))}function truncatePlain(e,t){return visibleLength(e)<=t?e:sliceVisible(e,t)}export{renderAttentionRows,renderBlockLines};