break-props.js 3.6 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 BreakProps = /*#__PURE__*/function (_Declaration) {
  12. _inheritsLoose(BreakProps, _Declaration);
  13. var _super = _createSuper(BreakProps);
  14. function BreakProps() {
  15. return _Declaration.apply(this, arguments) || this;
  16. }
  17. var _proto = BreakProps.prototype;
  18. /**
  19. * Change name for -webkit- and -moz- prefix
  20. */
  21. _proto.prefixed = function prefixed(prop, prefix) {
  22. return prefix + "column-" + prop;
  23. }
  24. /**
  25. * Return property name by final spec
  26. */
  27. ;
  28. _proto.normalize = function normalize(prop) {
  29. if (prop.includes('inside')) {
  30. return 'break-inside';
  31. }
  32. if (prop.includes('before')) {
  33. return 'break-before';
  34. }
  35. return 'break-after';
  36. }
  37. /**
  38. * Change prefixed value for avoid-column and avoid-page
  39. */
  40. ;
  41. _proto.set = function set(decl, prefix) {
  42. if (decl.prop === 'break-inside' && decl.value === 'avoid-column' || decl.value === 'avoid-page') {
  43. decl.value = 'avoid';
  44. }
  45. return _Declaration.prototype.set.call(this, decl, prefix);
  46. }
  47. /**
  48. * Don’t prefix some values
  49. */
  50. ;
  51. _proto.insert = function insert(decl, prefix, prefixes) {
  52. if (decl.prop !== 'break-inside') {
  53. return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
  54. }
  55. if (/region/i.test(decl.value) || /page/i.test(decl.value)) {
  56. return undefined;
  57. }
  58. return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
  59. };
  60. return BreakProps;
  61. }(Declaration);
  62. _defineProperty(BreakProps, "names", ['break-inside', 'page-break-inside', 'column-break-inside', 'break-before', 'page-break-before', 'column-break-before', 'break-after', 'page-break-after', 'column-break-after']);
  63. module.exports = BreakProps;