logify/dist/filter/when.js

Logging framework for node and the browser

'use strict';

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports['default'] = create;

var _filter = require('./filter');

var _filter2 = _interopRequireDefault(_filter);

function create(field, pattern) {
  var fn = undefined;
  if (typeof pattern === 'function') {
    fn = function (entry) {
      return pattern(entry[field]);
    };
  } else if (typeof pattern === 'string') {
    fn = function test(entry) {
      return field[entry] === pattern;
    };
  } else if (pattern instanceof RegExp) {
    fn = function test(entry) {
      return pattern.test(entry[field]);
    };
  } else {
    throw new Error('Pattern should be a string!');
  }

  for (var _len = arguments.length, appenders = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
    appenders[_key - 2] = arguments[_key];
  }

  return _filter2['default'].apply(undefined, [fn].concat(appenders));
}

module.exports = exports['default'];