grid-area.js 3.2 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 Declaration = require('../declaration');
  7. var shorthand = require('./grid-shorthand');
  8. var GridArea = function (_Declaration) {
  9. _inherits(GridArea, _Declaration);
  10. function GridArea() {
  11. _classCallCheck(this, GridArea);
  12. return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
  13. }
  14. /**
  15. * Translate grid-area to separate -ms- prefixed properties
  16. */
  17. GridArea.prototype.insert = function insert(decl, prefix, prefixes) {
  18. if (prefix !== '-ms-') return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
  19. if (decl.parent.some(function (i) {
  20. return i.prop === '-ms-grid-row';
  21. })) {
  22. return undefined;
  23. }
  24. var values = shorthand.parse(decl);
  25. var _shorthand$translate = shorthand.translate(values, 0, 2),
  26. rowStart = _shorthand$translate[0],
  27. rowSpan = _shorthand$translate[1];
  28. var _shorthand$translate2 = shorthand.translate(values, 1, 3),
  29. columnStart = _shorthand$translate2[0],
  30. columnSpan = _shorthand$translate2[1];
  31. if (rowStart) {
  32. decl.cloneBefore({
  33. prop: '-ms-grid-row',
  34. value: rowStart.toString()
  35. });
  36. }
  37. if (rowSpan) {
  38. decl.cloneBefore({
  39. prop: '-ms-grid-row-span',
  40. value: rowSpan.toString()
  41. });
  42. }
  43. if (columnStart) {
  44. decl.cloneBefore({
  45. prop: '-ms-grid-column',
  46. value: columnStart.toString()
  47. });
  48. }
  49. if (columnSpan) {
  50. decl.cloneBefore({
  51. prop: '-ms-grid-column-span',
  52. value: columnSpan.toString()
  53. });
  54. }
  55. return undefined;
  56. };
  57. return GridArea;
  58. }(Declaration);
  59. Object.defineProperty(GridArea, 'names', {
  60. enumerable: true,
  61. writable: true,
  62. value: ['grid-area']
  63. });
  64. module.exports = GridArea;