OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	02/20/2020 05:44:43 AM	rwxr-xr-x
📄 BlockBoundary.ts	1.53 KB	02/20/2020 05:42:20 AM	rw-r--r--
📄 CaretBr.ts	1.47 KB	02/20/2020 05:42:20 AM	rw-r--r--
📄 CaretCandidate.ts	2.68 KB	02/20/2020 05:42:21 AM	rw-r--r--
📄 CaretContainer.ts	5.4 KB	02/20/2020 05:42:21 AM	rw-r--r--
📄 CaretContainerInline.ts	2.23 KB	02/20/2020 05:42:22 AM	rw-r--r--
📄 CaretContainerInput.ts	1.87 KB	02/20/2020 05:42:22 AM	rw-r--r--
📄 CaretContainerRemove.ts	3.3 KB	02/20/2020 05:42:23 AM	rw-r--r--
📄 CaretFinder.ts	4.09 KB	02/20/2020 05:42:25 AM	rw-r--r--
📄 CaretPosition.ts	13.27 KB	02/20/2020 05:42:26 AM	rw-r--r--
📄 CaretPositionPredicates.ts	2.24 KB	02/20/2020 05:42:27 AM	rw-r--r--
📄 CaretUtils.ts	8.54 KB	02/20/2020 05:42:27 AM	rw-r--r--
📄 CaretWalker.ts	7.67 KB	02/20/2020 05:42:28 AM	rw-r--r--
📄 FakeCaret.ts	6.26 KB	02/20/2020 05:42:28 AM	rw-r--r--
📄 InsertText.ts	1.32 KB	02/20/2020 05:42:29 AM	rw-r--r--
📄 LineReader.ts	5.88 KB	02/20/2020 05:42:29 AM	rw-r--r--
📄 LineUtils.ts	4.11 KB	02/20/2020 05:42:30 AM	rw-r--r--
📄 LineWalker.ts	4.56 KB	02/20/2020 05:42:30 AM	rw-r--r--
📄 TableCells.ts	3.58 KB	02/20/2020 05:42:31 AM	rw-r--r--

Editing: CaretPositionPredicates.ts

/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 */

import { Option, Fun } from '@ephox/katamari';
import NodeType from '../dom/NodeType';
import { Text, Node } from '@ephox/dom-globals';
import CaretPosition from './CaretPosition';
import { isWhiteSpace } from '../text/CharType';
import { getChildNodeAtRelativeOffset } from './CaretUtils';
import { Element, Css } from '@ephox/sugar';

const isChar = (forward: boolean, predicate: (chr: string) => boolean, pos: CaretPosition) => {
  return Option.from(pos.container()).filter(NodeType.isText).exists((text: Text) => {
    const delta = forward ? 0 : -1;
    return predicate(text.data.charAt(pos.offset() + delta));
  });
};

const isBeforeSpace = Fun.curry(isChar, true, isWhiteSpace);
const isAfterSpace = Fun.curry(isChar, false, isWhiteSpace);

const isEmptyText = (pos: CaretPosition) => {
  const container = pos.container();
  return NodeType.isText(container) && container.data.length === 0;
};

const matchesElementPosition = (before: boolean, predicate: (node: Node) => boolean) => {
  return (pos: CaretPosition) => Option.from(getChildNodeAtRelativeOffset(before ? 0 : -1, pos)).filter(predicate).isSome();
};

const isImageBlock = (node: Node) => {
  return node.nodeName === 'IMG' && Css.get(Element.fromDom(node), 'display') === 'block';
};

const isCefNode = (node: Node) => NodeType.isContentEditableFalse(node) && !NodeType.isBogusAll(node);

const isBeforeImageBlock = matchesElementPosition(true, isImageBlock);
const isAfterImageBlock = matchesElementPosition(false, isImageBlock);
const isBeforeTable = matchesElementPosition(true, NodeType.isTable);
const isAfterTable = matchesElementPosition(false, NodeType.isTable);
const isBeforeContentEditableFalse = matchesElementPosition(true, isCefNode);
const isAfterContentEditableFalse = matchesElementPosition(false, isCefNode);

export {
  isBeforeSpace,
  isAfterSpace,
  isEmptyText,
  isBeforeContentEditableFalse,
  isAfterContentEditableFalse,
  isBeforeTable,
  isAfterTable,
  isBeforeImageBlock as isBeforePageBreak,
  isAfterImageBlock as isAfterPageBreak
};