Function getContainer

modules/tinymce/src/core/main/ts/fmt/RemoveFormat.ts:61–86

(ed: Editor, rng: RangeLikeObject, start?: boolean)

const isChildOfInlineParent = (dom: DOMUtils, node: Node, parent: Node): boolean => dom.isChildOf(node, parent) && node !== parent && !dom.isBlock(parent);

const getContainer = (ed: Editor, rng: RangeLikeObject, start?: boolean) => {
  let container = rng[start ? 'startContainer' : 'endContainer'];
  let offset = rng[start ? 'startOffset' : 'endOffset'];

  if (NodeType.isElement(container)) {
    const lastIdx = container.childNodes.length - 1;

    if (!start && offset) {
      offset--;
    }

    container = container.childNodes[offset > lastIdx ? lastIdx : offset];
  }

  // If start text node is excluded then walk to the next node
  if (NodeType.isText(container) && start && offset >= container.data.length) {
    container = new DomTreeWalker(container, ed.getBody()).next() || container;
  }

  // If end text node is excluded then walk to the previous node
  if (NodeType.isText(container) && !start && offset === 0) {
    container = new DomTreeWalker(container, ed.getBody()).prev() || container;
  }

  return container;
};

const normalizeTableSelection = (node: Node, start: boolean): Node => {
  const prop = start ? 'firstChild' : 'lastChild';