Client-side silent log

slog.js

window.slog = function (...args) {
  if (!window.logsStack) {
    window.logsStack = [];
    window.printLogsStack = function () {
      for (const logItem of window.logsStack) {
        const [msg, lineDetails] = logItem;

        console.log(msg);
        console.log(lineDetails);
      }
    };
  }

  let lineDetails;

  try {
    lineDetails = new Error().stack.split('at ')[3].trim();
  } catch (err) {
    lineDetails = 'untracable';
  }

  for (let msg of args) {
    if (window.DISABLE_SILENT_LOG) {
      console.log(msg);
      console.log(lineDetails);
    } else {
      window.logsStack.push([msg, lineDetails]);
    }
  }
};