flex-flow.js 3.8 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 flexSpec = require('./flex-spec');
  11. var Declaration = require('../declaration');
  12. var FlexFlow = /*#__PURE__*/function (_Declaration) {
  13. _inheritsLoose(FlexFlow, _Declaration);
  14. var _super = _createSuper(FlexFlow);
  15. function FlexFlow() {
  16. return _Declaration.apply(this, arguments) || this;
  17. }
  18. var _proto = FlexFlow.prototype;
  19. /**
  20. * Use two properties for 2009 spec
  21. */
  22. _proto.insert = function insert(decl, prefix, prefixes) {
  23. var spec;
  24. var _flexSpec = flexSpec(prefix);
  25. spec = _flexSpec[0];
  26. prefix = _flexSpec[1];
  27. if (spec !== 2009) {
  28. return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
  29. }
  30. var values = decl.value.split(/\s+/).filter(function (i) {
  31. return i !== 'wrap' && i !== 'nowrap' && 'wrap-reverse';
  32. });
  33. if (values.length === 0) {
  34. return undefined;
  35. }
  36. var already = decl.parent.some(function (i) {
  37. return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
  38. });
  39. if (already) {
  40. return undefined;
  41. }
  42. var value = values[0];
  43. var orient = value.includes('row') ? 'horizontal' : 'vertical';
  44. var dir = value.includes('reverse') ? 'reverse' : 'normal';
  45. var cloned = this.clone(decl);
  46. cloned.prop = prefix + 'box-orient';
  47. cloned.value = orient;
  48. if (this.needCascade(decl)) {
  49. cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
  50. }
  51. decl.parent.insertBefore(decl, cloned);
  52. cloned = this.clone(decl);
  53. cloned.prop = prefix + 'box-direction';
  54. cloned.value = dir;
  55. if (this.needCascade(decl)) {
  56. cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
  57. }
  58. return decl.parent.insertBefore(decl, cloned);
  59. };
  60. return FlexFlow;
  61. }(Declaration);
  62. _defineProperty(FlexFlow, "names", ['flex-flow', 'box-direction', 'box-orient']);
  63. module.exports = FlexFlow;