placeholder.js 2.4 KB

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  1. 'use strict';
  2. function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
  3. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  4. function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  5. function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
  6. var Selector = require('../selector');
  7. var Placeholder = function (_Selector) {
  8. _inherits(Placeholder, _Selector);
  9. function Placeholder() {
  10. _classCallCheck(this, Placeholder);
  11. return _possibleConstructorReturn(this, _Selector.apply(this, arguments));
  12. }
  13. /**
  14. * Add old mozilla to possible prefixes
  15. */
  16. Placeholder.prototype.possible = function possible() {
  17. return _Selector.prototype.possible.call(this).concat(['-moz- old', '-ms- old']);
  18. };
  19. /**
  20. * Return different selectors depend on prefix
  21. */
  22. Placeholder.prototype.prefixed = function prefixed(prefix) {
  23. if (prefix === '-webkit-') {
  24. return '::-webkit-input-placeholder';
  25. } else if (prefix === '-ms-') {
  26. return '::-ms-input-placeholder';
  27. } else if (prefix === '-ms- old') {
  28. return ':-ms-input-placeholder';
  29. } else if (prefix === '-moz- old') {
  30. return ':-moz-placeholder';
  31. } else {
  32. return '::' + prefix + 'placeholder';
  33. }
  34. };
  35. return Placeholder;
  36. }(Selector);
  37. Object.defineProperty(Placeholder, 'names', {
  38. enumerable: true,
  39. writable: true,
  40. value: ['::placeholder']
  41. });
  42. module.exports = Placeholder;