@aiot-toolkit/emulator/lib/vvd/logcat.js

vela emulator tool.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.attachReadline = attachReadline;
exports.creatLogcat = creatLogcat;
var _readline = _interopRequireDefault(require("readline"));
var _adb = require("@miwt/adb");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function creatLogcat(sn) {
  let onStdout = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : console.log;
  let onErrout = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : console.log;
  let p = arguments.length > 3 ? arguments[3] : undefined;
  let rls = arguments.length > 4 ? arguments[4] : undefined;
  const logcatProcess = p || (0, _adb.spawnAdbCmd)('adb', ['-s', sn, 'logcat']);
  const readlines = rls || attachReadline(logcatProcess, onStdout, onErrout);
  return {
    ...readlines,
    logcatProcess,
    onStdout,
    onErrout
  };
}
function attachReadline(p, onStdout, onErrout) {
  let stdoutReadline;
  let stderrReadline;

  // 利用 readline 接口可解决子进程日志换行的问题
  if (p?.stdout) {
    stdoutReadline = _readline.default.createInterface({
      input: p.stdout
    });
    stdoutReadline.on('line', str => {
      onStdout(str);
    });
    p.stdout.on('close', () => {
      stdoutReadline?.close();
      stdoutReadline = undefined;
    });
  }
  if (p?.stderr) {
    stderrReadline = _readline.default.createInterface({
      input: p.stderr
    });
    stderrReadline.on('line', str => {
      onErrout(str);
    });
    p.stderr.on('close', () => {
      stderrReadline?.close();
    });
  }
  function dispose() {
    p?.removeAllListeners();
    stdoutReadline?.removeAllListeners();
    stderrReadline?.removeAllListeners();
    stdoutReadline?.close();
    stderrReadline?.close();
    stdoutReadline = undefined;
    stderrReadline = undefined;
  }
  p?.on('exit', () => {
    dispose();
  });
  return {
    stdoutReadline,
    stderrReadline,
    dispose
  };
}