writing-mode.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 WritingMode = /*#__PURE__*/function (_Declaration) {
  12. _inheritsLoose(WritingMode, _Declaration);
  13. var _super = _createSuper(WritingMode);
  14. function WritingMode() {
  15. return _Declaration.apply(this, arguments) || this;
  16. }
  17. var _proto = WritingMode.prototype;
  18. _proto.insert = function insert(decl, prefix, prefixes) {
  19. if (prefix === '-ms-') {
  20. var cloned = this.set(this.clone(decl), prefix);
  21. if (this.needCascade(decl)) {
  22. cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
  23. }
  24. var direction = 'ltr';
  25. decl.parent.nodes.forEach(function (i) {
  26. if (i.prop === 'direction') {
  27. if (i.value === 'rtl' || i.value === 'ltr') direction = i.value;
  28. }
  29. });
  30. cloned.value = WritingMode.msValues[direction][decl.value] || decl.value;
  31. return decl.parent.insertBefore(decl, cloned);
  32. }
  33. return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
  34. };
  35. return WritingMode;
  36. }(Declaration);
  37. _defineProperty(WritingMode, "names", ['writing-mode']);
  38. _defineProperty(WritingMode, "msValues", {
  39. ltr: {
  40. 'horizontal-tb': 'lr-tb',
  41. 'vertical-rl': 'tb-rl',
  42. 'vertical-lr': 'tb-lr'
  43. },
  44. rtl: {
  45. 'horizontal-tb': 'rl-tb',
  46. 'vertical-rl': 'bt-rl',
  47. 'vertical-lr': 'bt-lr'
  48. }
  49. });
  50. module.exports = WritingMode;