Feat : console log

src/lib/consoleLogBuffer.js

@@ -0,0 +1,79 @@
+import { EventEmitter } from "events";
+import { CONSOLE_LOG_CONFIG } from "@/shared/constants/config.js";
+
+const consoleLevels = ["log", "info", "warn", "error", "debug"];
+
+if (!global._consoleLogBufferState) {
+  global._consoleLogBufferState = {
+    logs: [],
+    patched: false,
+    originals: {},
+    emitter: new EventEmitter(),
+  };
+  global._consoleLogBufferState.emitter.setMaxListeners(50);
+}
+
+const state = global._consoleLogBufferState;
+
+// Ensure emitter exists (handles hot reload with stale global)
+if (!state.emitter) {
+  state.emitter = new EventEmitter();
+  state.emitter.setMaxListeners(50);
+}
+
+function toLogLine(level, args) {
+  return args.map(formatArg).join(" ");
+}
+
+// Strip ANSI escape codes so terminal colors don't bleed into UI
+const ANSI_RE = /\x1b\[[0-9;]*m/g;
+
+function stripAnsi(str) {
+  return str.replace(ANSI_RE, "");
+}
+
+function formatArg(arg) {
+  if (typeof arg === "string") return stripAnsi(arg);
+  if (arg instanceof Error) return stripAnsi(arg.stack || arg.message || String(arg));
+  try {
+    return stripAnsi(JSON.stringify(arg));
+  } catch {
+    return stripAnsi(String(arg));
+  }
+}
+
+function appendLine(line) {
+  state.logs.push(line);
+  const maxLines = CONSOLE_LOG_CONFIG.maxLines;
+  if (state.logs.length > maxLines) {
+    state.logs = state.logs.slice(-maxLines);
+  }
+  state.emitter.emit("line", line);
+}
+
+export function initConsoleLogCapture() {
+  if (state.patched) return;
+
+  for (const level of consoleLevels) {
+    state.originals[level] = console[level];
+    console[level] = (...args) => {
+      appendLine(toLogLine(level, args));
+      state.originals[level](...args);
+    };
+  }
+
+  state.patched = true;
+}
+
+export function getConsoleLogs() {
+  return state.logs;
+}
+
+export function clearConsoleLogs() {
+  state.logs = [];
+  state.emitter.emit("clear");
+}
+
+export function getConsoleEmitter() {
+  return state.emitter;
+}