grid-row-column.js 2.6 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 _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 GridRowColumn = function (_Declaration) {
  9. _inherits(GridRowColumn, _Declaration);
  10. function GridRowColumn() {
  11. _classCallCheck(this, GridRowColumn);
  12. return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
  13. }
  14. /**
  15. * Translate grid-row / grid-column to separate -ms- prefixed properties
  16. */
  17. GridRowColumn.prototype.insert = function insert(decl, prefix, prefixes) {
  18. if (prefix !== '-ms-') return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
  19. var values = shorthand.parse(decl);
  20. var _shorthand$translate = shorthand.translate(values, 0, 1),
  21. start = _shorthand$translate[0],
  22. span = _shorthand$translate[1];
  23. if (start) {
  24. decl.cloneBefore({
  25. prop: '-ms-' + decl.prop,
  26. value: start.toString()
  27. });
  28. }
  29. if (span) {
  30. decl.cloneBefore({
  31. prop: '-ms-' + decl.prop + '-span',
  32. value: span.toString()
  33. });
  34. }
  35. return undefined;
  36. };
  37. return GridRowColumn;
  38. }(Declaration);
  39. Object.defineProperty(GridRowColumn, 'names', {
  40. enumerable: true,
  41. writable: true,
  42. value: ['grid-row', 'grid-column']
  43. });
  44. module.exports = GridRowColumn;