detect-terminal/dist/src/parent.mjs

Detect the terminal program currently being used, with support for iTerm, Terminal.app, Hyper, iTerm2, ConEmu, Cmde,r Alacritty, Xterm, Terminator, Termux, Kitty, and others. Detection is based on environment variables and process-level indicators to iden

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });

// src/parent.ts
import { execFileSync as nodeExecFileSync } from "child_process";

// src/color.ts
var TRUE_COLOR_PATTERN = /^(truecolor|24bits?)$/;
var has256Color = /* @__PURE__ */ __name((value) => {
  return Boolean(value?.match(/256/));
}, "has256Color");
var supportsTrueColor = /* @__PURE__ */ __name((value) => {
  return Boolean(value?.match(TRUE_COLOR_PATTERN));
}, "supportsTrueColor");
var getColorSupport = /* @__PURE__ */ __name((env) => {
  return {
    supports256Color: has256Color(env.TERM) || has256Color(env.COLORTERM),
    supportsTrueColor: supportsTrueColor(env.COLORTERM)
  };
}, "getColorSupport");

// src/normalize.ts
import path from "path";
var SHELL_PROCESS_NAMES = /* @__PURE__ */ new Set([
  "bash",
  "csh",
  "dash",
  "fish",
  "ksh",
  "login",
  "node",
  "nodejs",
  "nu",
  "sh",
  "sudo",
  "tcsh",
  "zsh"
]);
var normalizeIdentifier = /* @__PURE__ */ __name((value) => {
  return value.trim().toLowerCase().replace(/[^a-z0-9]+/g, "_");
}, "normalizeIdentifier");
var normalizeParentProcessName = /* @__PURE__ */ __name((processName) => {
  const normalized = normalizeIdentifier(path.parse(processName).name);
  switch (normalized) {
    case "alacritty":
    case "aterm":
    case "atomic_terminal":
    case "eterm":
    case "foot":
    case "ghostty":
    case "hyper":
    case "kitty":
    case "konsole":
    case "kuake":
    case "mate_terminal":
    case "mrxvt":
    case "powershell":
    case "putty":
    case "qterminal":
    case "rio":
    case "rxvt":
    case "terminator":
    case "terminology":
    case "tilda":
    case "tmux":
    case "warp":
    case "wezterm":
    case "wterm":
      return normalized;
    case "apple_terminal":
    case "terminal":
      return "terminal";
    case "cmd":
      return "cmd";
    case "code":
    case "code_insiders":
      return "vscode";
    case "conhost":
      return "conhost";
    case "gnome":
    case "gnome_terminal":
    case "gnome_terminal_server":
    case "guake":
      return "gnome_terminal";
    case "iterm":
    case "iterm2":
      return "iterm";
    case "login":
    case "linux":
      return "linux_console";
    case "pwsh":
      return "powershell";
    case "screen":
      return "screen";
    case "terminal_app":
      return "terminal_app";
    case "urxvt":
    case "urxvt256c":
    case "urxvt256c_ml":
    case "urxvt_ml":
      return "rxvt";
    case "wt":
    case "windows_terminal":
      return "windows_terminal";
    case "xfce":
    case "xfce_terminal":
    case "xfce4_terminal":
      return "xfce4_terminal";
    default: {
      if (normalized.startsWith("gnome_terminal")) {
        return "gnome_terminal";
      }
      if (normalized.startsWith("warp")) {
        return "warp";
      }
      return null;
    }
  }
}, "normalizeParentProcessName");

// src/parent.ts
var runPs = /* @__PURE__ */ __name((run, args) => {
  return run("ps", args, {
    encoding: "utf8",
    timeout: 1e3,
    stdio: ["ignore", "pipe", "ignore"]
  });
}, "runPs");
var getParentProcess = /* @__PURE__ */ __name((pid, options = {}) => {
  const run = options.execFileSync ?? nodeExecFileSync;
  const parentPid = Number.parseInt(
    runPs(run, ["-o", "ppid=", "-p", String(pid)]).trim(),
    10
  );
  if (!Number.isFinite(parentPid) || parentPid <= 1) {
    return null;
  }
  const appName = runPs(run, ["-o", "comm=", "-p", String(parentPid)]).trim();
  if (!appName) {
    return null;
  }
  return {
    pid: parentPid,
    appName
  };
}, "getParentProcess");
var colorVariant = /* @__PURE__ */ __name((terminal, supports256Color, supportsTrueColor2) => {
  return supports256Color || supportsTrueColor2 ? `${terminal}_256color` : terminal;
}, "colorVariant");
var applyParentColorVariant = /* @__PURE__ */ __name((terminal, env) => {
  const { supports256Color, supportsTrueColor: supportsTrueColor2 } = getColorSupport(env);
  switch (terminal) {
    case "eterm":
    case "konsole":
    case "rxvt":
      return colorVariant(terminal, supports256Color, supportsTrueColor2);
    case "gnome_terminal":
    case "terminator":
      return colorVariant("gnome_terminal", supports256Color, supportsTrueColor2);
    default:
      return terminal;
  }
}, "applyParentColorVariant");
var detectFromParentProcessResult = /* @__PURE__ */ __name((options = {}) => {
  const env = options.env ?? process.env;
  const platform = options.platform ?? process.platform;
  if (platform === "win32" || env.SSH_CONNECTION) {
    return null;
  }
  const seenPids = /* @__PURE__ */ new Set();
  let pid = options.pid ?? process.pid;
  for (let depth = 0; depth < 12; depth += 1) {
    if (seenPids.has(pid)) {
      break;
    }
    seenPids.add(pid);
    try {
      const parent = getParentProcess(pid, options);
      if (!parent) {
        break;
      }
      const normalized = normalizeParentProcessName(parent.appName);
      if (normalized === "screen" || normalized === "tmux") {
        if (!options.preferOuter) {
          return {
            terminal: normalized,
            source: "parent",
            appName: parent.appName,
            pid: parent.pid
          };
        }
        pid = parent.pid;
        continue;
      }
      if (normalized) {
        return {
          terminal: applyParentColorVariant(normalized, env),
          source: "parent",
          appName: parent.appName,
          pid: parent.pid
        };
      }
      if (!SHELL_PROCESS_NAMES.has(normalizeIdentifier(parent.appName))) {
        break;
      }
      pid = parent.pid;
    } catch {
      break;
    }
  }
  return null;
}, "detectFromParentProcessResult");
var detectFromParentProcess = /* @__PURE__ */ __name((options = {}) => {
  return detectFromParentProcessResult(options)?.terminal ?? null;
}, "detectFromParentProcess");
export {
  detectFromParentProcess,
  detectFromParentProcessResult,
  getParentProcess
};
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