format.js 5.3 KB

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  1. 'use strict';
  2. /*
  3. * Displays a helpful message and the source of
  4. * the format when it is invalid.
  5. */
  6. function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
  7. function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
  8. function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
  9. function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
  10. 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); }
  11. function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
  12. function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
  13. function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
  14. function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
  15. function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
  16. function _wrapNativeSuper(t) { var r = "function" == typeof Map ? new Map() : void 0; return _wrapNativeSuper = function _wrapNativeSuper(t) { if (null === t || !_isNativeFunction(t)) return t; if ("function" != typeof t) throw new TypeError("Super expression must either be null or a function"); if (void 0 !== r) { if (r.has(t)) return r.get(t); r.set(t, Wrapper); } function Wrapper() { return _construct(t, arguments, _getPrototypeOf(this).constructor); } return Wrapper.prototype = Object.create(t.prototype, { constructor: { value: Wrapper, enumerable: !1, writable: !0, configurable: !0 } }), _setPrototypeOf(Wrapper, t); }, _wrapNativeSuper(t); }
  17. function _construct(t, e, r) { if (_isNativeReflectConstruct()) return Reflect.construct.apply(null, arguments); var o = [null]; o.push.apply(o, e); var p = new (t.bind.apply(t, o))(); return r && _setPrototypeOf(p, r.prototype), p; }
  18. function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
  19. function _isNativeFunction(t) { try { return -1 !== Function.toString.call(t).indexOf("[native code]"); } catch (n) { return "function" == typeof t; } }
  20. function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
  21. function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
  22. var InvalidFormatError = /*#__PURE__*/function (_Error) {
  23. function InvalidFormatError(formatFn) {
  24. var _this;
  25. _classCallCheck(this, InvalidFormatError);
  26. _this = _callSuper(this, InvalidFormatError, ["Format functions must be synchronous taking a two arguments: (info, opts)\nFound: ".concat(formatFn.toString().split('\n')[0], "\n")]);
  27. Error.captureStackTrace(_this, InvalidFormatError);
  28. return _this;
  29. }
  30. _inherits(InvalidFormatError, _Error);
  31. return _createClass(InvalidFormatError);
  32. }(/*#__PURE__*/_wrapNativeSuper(Error));
  33. /*
  34. * function format (formatFn)
  35. * Returns a create function for the `formatFn`.
  36. */
  37. module.exports = function (formatFn) {
  38. if (formatFn.length > 2) {
  39. throw new InvalidFormatError(formatFn);
  40. }
  41. /*
  42. * function Format (options)
  43. * Base prototype which calls a `_format`
  44. * function and pushes the result.
  45. */
  46. function Format() {
  47. var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  48. this.options = options;
  49. }
  50. Format.prototype.transform = formatFn;
  51. //
  52. // Create a function which returns new instances of
  53. // FormatWrap for simple syntax like:
  54. //
  55. // require('winston').formats.json();
  56. //
  57. function createFormatWrap(opts) {
  58. return new Format(opts);
  59. }
  60. //
  61. // Expose the FormatWrap through the create function
  62. // for testability.
  63. //
  64. createFormatWrap.Format = Format;
  65. return createFormatWrap;
  66. };