@liveblocks/react-ui/dist/slate/utils/get-character.js

A set of React pre-built components for the Liveblocks products. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

import { Editor, Range } from 'slate';

function getCharacterBefore(editor, at, options = {}) {
  const { filterVoids } = options;
  const before = Editor.before(editor, at, {
    unit: "character",
    voids: filterVoids
  });
  if (before) {
    const range = Editor.range(
      editor,
      before,
      Range.isRange(at) ? Range.start(at) : at
    );
    const text = Editor.string(editor, range);
    return {
      range,
      text,
      void: text.length === 0
    };
  }
  return;
}
function getCharacterAfter(editor, at, options = {}) {
  const { filterVoids } = options;
  const after = Editor.after(editor, at, {
    unit: "character",
    voids: filterVoids
  });
  if (after) {
    const range = Editor.range(
      editor,
      after,
      Range.isRange(at) ? Range.end(at) : at
    );
    const text = Editor.string(editor, range);
    return {
      range,
      text,
      void: text.length === 0
    };
  }
  return;
}

export { getCharacterAfter, getCharacterBefore };
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