Fix log search filtering to match against plain text instead of ANSI escape codes

Move styles array outside the parse loop in ansiToHtml so styles accumulate across sequences, and use stripAnsi when filtering live logs so search matches visible text.

src/client/ansi.ts

@@ -0,0 +1,71 @@
+const ESC = /\x1b\[([0-9;]*)m/g
+
+const STYLES: Record<number, string> = {
+  1: 'font-weight:bold',
+  2: 'opacity:0.7',
+  30: 'color:#666',
+  31: 'color:#f87171',
+  32: 'color:#4ade80',
+  33: 'color:#facc15',
+  34: 'color:#60a5fa',
+  35: 'color:#c084fc',
+  36: 'color:#22d3ee',
+  37: 'color:#e5e5e5',
+  90: 'color:#999',
+  91: 'color:#fca5a5',
+  92: 'color:#86efac',
+  93: 'color:#fde047',
+  94: 'color:#93c5fd',
+  95: 'color:#d8b4fe',
+  96: 'color:#67e8f9',
+  97: 'color:#fff',
+}
+
+const escape = (s: string) =>
+  s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
+
+export const stripAnsi = (s: string) =>
+  s.replace(/\x1b\[[0-9;]*m/g, '')
+
+export function ansiToHtml(text: string): string {
+  if (!text.includes('\x1b')) return escape(text)
+
+  ESC.lastIndex = 0
+  let result = ''
+  let last = 0
+  let open = false
+  const styles: string[] = []
+  let match: RegExpExecArray | null
+
+  while ((match = ESC.exec(text)) !== null) {
+    result += escape(text.slice(last, match.index))
+    last = match.index + match[0].length
+
+    const codes = match[1] ? match[1].split(';').map(Number) : [0]
+
+    for (const code of codes) {
+      if (code === 0) {
+        styles.length = 0
+        if (open) { result += '</span>'; open = false }
+      } else if (code === 39) {
+        const filtered = styles.filter(s => !s.startsWith('color:'))
+        styles.length = 0
+        styles.push(...filtered)
+        if (open) { result += '</span>'; open = false }
+      } else if (STYLES[code]) {
+        styles.push(STYLES[code])
+      }
+    }
+
+    if (styles.length) {
+      if (open) result += '</span>'
+      result += `<span style="${styles.join(';')}">`
+      open = true
+    }
+  }
+
+  result += escape(text.slice(last))
+  if (open) result += '</span>'
+
+  return result
+}

src/client/components/LogsSection.tsx

@@ -1,5 +1,6 @@
 import { define } from '@because/forge'
 import type { App, LogLine as LogLineType } from '../../shared/types'
+import { ansiToHtml, stripAnsi } from '../ansi'
 import { getLogDates, getLogsForDate } from '../api'
 import { isNarrow } from '../state'
 import { LogLine, LogsContainer, LogsHeader, LogTime, Section, SectionTitle } from '../styles'
@@ -91,7 +92,7 @@ function LogsContent() {
 
   const state = getState(currentApp.name)
   const isLive = state.selectedDate === 'live'
-  const filteredLiveLogs = filterLogs(currentApp.logs ?? [], state.searchFilter, l => l.text)
+  const filteredLiveLogs = filterLogs(currentApp.logs ?? [], state.searchFilter, l => stripAnsi(l.text))
   const filteredHistoricalLogs = filterLogs(state.historicalLogs, state.searchFilter, l => l)
 
   return (
@@ -107,7 +108,7 @@ function LogsContent() {
           filteredLiveLogs.map((line, i) => (
             <LogLine key={i}>
               <LogTime>{new Date(line.time).toLocaleTimeString()}</LogTime>
-              <span>{line.text}</span>
+              <span dangerouslySetInnerHTML={{ __html: ansiToHtml(line.text) }} />
             </LogLine>
           ))
         ) : (
@@ -126,7 +127,7 @@ function LogsContent() {
               <span style={{ color: theme('colors-textFaintest'), marginRight: 12 }}>
                 {line.match(/^\[([^\]]+)\]/)?.[1]?.split('T')[1]?.slice(0, 8) ?? '--:--:--'}
               </span>
-              <span>{line.replace(/^\[[^\]]+\] \[[^\]]+\] /, '')}</span>
+              <span dangerouslySetInnerHTML={{ __html: ansiToHtml(line.replace(/^\[[^\]]+\] \[[^\]]+\] /, '')) }} />
             </LogLine>
           ))
         ) : (

src/client/components/UnifiedLogs.tsx

@@ -1,3 +1,4 @@
+import { ansiToHtml, stripAnsi } from '../ansi'
 import { isNarrow } from '../state'
 import {
   LogApp,
@@ -58,16 +59,17 @@ function parseLogText(text: string): { method?: string, path?: string, status?:
 }
 
 function LogLineEntry({ log }: { log: UnifiedLogLine }) {
-  const parsed = parseLogText(log.text)
+  const parsed = parseLogText(stripAnsi(log.text))
   const statusColor = getStatusColor(parsed.status)
   const narrow = isNarrow || undefined
   return (
     <LogEntry narrow={narrow}>
       <LogTimestamp narrow={narrow}>{formatTime(log.time)}</LogTimestamp>
       <LogApp narrow={narrow}>{log.app}</LogApp>
-      <LogText style={statusColor ? { color: statusColor } : undefined}>
-        {log.text}
-      </LogText>
+      <LogText
+        style={statusColor ? { color: statusColor } : undefined}
+        dangerouslySetInnerHTML={{ __html: ansiToHtml(log.text) }}
+      />
     </LogEntry>
   )
 }