@boost/log/mjs/formats.mjs

Lightweight level based logging system.

function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function formatMetadata(metadata) {
  const items = [];
  const keys = Object.keys(metadata).sort();
  keys.forEach(key => {
    items.push(`${key}=${metadata[key]}`);
  });
  return `(${items.join(', ')})`;
}

/**
 * Format the item as if it's being logged to `console`.
 * _Only_ inclues the label and message.
 */
function console(item) {
  let output = item.message;
  if (item.level !== 'log') {
    output = `${item.label} ${output}`;
  }
  return output;
}

/**
 * Format the item into a human-readable message with all item fields included.
 * This is the default format for most transports.
 */
function debug(item) {
  return `[${item.time.toISOString()}] ${item.level.toUpperCase()} ${item.message} ${formatMetadata(_objectSpread(_objectSpread({}, item.metadata), {}, {
    host: item.host,
    name: item.name,
    pid: item.pid
  }))}`;
}

/**
 * Format the entire item into JSON.
 */
function json(item) {
  return JSON.stringify(item);
}

/**
 * Format the item using _only_ the message.
 */
function message(item) {
  return item.message;
}
export { console, debug, json, message };
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