properties.js 950 B

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  1. import fromFunction from './from-function';
  2. import AbstractVirtualNode from '../../core/base/virtual-node/abstract-virtual-node';
  3. import { getNodeFromTree } from '../../core/utils';
  4. /**
  5. * Check if a virtual node matches some attribute(s)
  6. *
  7. * Note: matches.properties(vNode, matcher) can be indirectly used through
  8. * matches(vNode, { properties: matcher })
  9. *
  10. * Example:
  11. * ```js
  12. * matches.properties(vNode, {
  13. * type: 'text', // Simple string match
  14. * value: value => value.trim() !== '', // None-empty value, using a function matcher
  15. * })
  16. * ```
  17. *
  18. * @deprecated HTMLElement is deprecated, use VirtualNode instead
  19. *
  20. * @param {HTMLElement|VirtualNode} vNode
  21. * @param {Object} matcher
  22. * @returns {Boolean}
  23. */
  24. function properties(vNode, matcher) {
  25. if (!(vNode instanceof AbstractVirtualNode)) {
  26. vNode = getNodeFromTree(vNode);
  27. }
  28. return fromFunction(propName => vNode.props[propName], matcher);
  29. }
  30. export default properties;