image-rendering.js 3.3 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 _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
  4. function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  5. function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  6. function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
  7. function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  8. function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
  9. function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
  10. var Declaration = require('../declaration');
  11. var ImageRendering = /*#__PURE__*/function (_Declaration) {
  12. _inheritsLoose(ImageRendering, _Declaration);
  13. var _super = _createSuper(ImageRendering);
  14. function ImageRendering() {
  15. return _Declaration.apply(this, arguments) || this;
  16. }
  17. var _proto = ImageRendering.prototype;
  18. /**
  19. * Add hack only for crisp-edges
  20. */
  21. _proto.check = function check(decl) {
  22. return decl.value === 'pixelated';
  23. }
  24. /**
  25. * Change property name for IE
  26. */
  27. ;
  28. _proto.prefixed = function prefixed(prop, prefix) {
  29. if (prefix === '-ms-') {
  30. return '-ms-interpolation-mode';
  31. }
  32. return _Declaration.prototype.prefixed.call(this, prop, prefix);
  33. }
  34. /**
  35. * Change property and value for IE
  36. */
  37. ;
  38. _proto.set = function set(decl, prefix) {
  39. if (prefix !== '-ms-') return _Declaration.prototype.set.call(this, decl, prefix);
  40. decl.prop = '-ms-interpolation-mode';
  41. decl.value = 'nearest-neighbor';
  42. return decl;
  43. }
  44. /**
  45. * Return property name by spec
  46. */
  47. ;
  48. _proto.normalize = function normalize() {
  49. return 'image-rendering';
  50. }
  51. /**
  52. * Warn on old value
  53. */
  54. ;
  55. _proto.process = function process(node, result) {
  56. return _Declaration.prototype.process.call(this, node, result);
  57. };
  58. return ImageRendering;
  59. }(Declaration);
  60. _defineProperty(ImageRendering, "names", ['image-rendering', 'interpolation-mode']);
  61. module.exports = ImageRendering;