@liveblocks/react-ui/dist/slate/utils/get-match-range.cjs

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.

'use strict';

var slate = require('slate');
var isWhitespaceCharacter = require('./is-whitespace-character.cjs');

const defaultOptions = {
  direction: "before",
  allowConsecutiveWhitespace: true
};
function getMatchRange(editor, at, terminators = [" "], options = defaultOptions) {
  const { include, direction, ignoreTerminator, allowConsecutiveWhitespace } = {
    ...defaultOptions,
    ...options
  };
  let [start, end] = slate.Range.edges(at);
  let point = start;
  let previousCharacterWasWhitespace = false;
  function move(direction2) {
    const nextPoint = direction2 === "after" ? slate.Editor.after(editor, point, { unit: "character" }) : slate.Editor.before(editor, point, { unit: "character" });
    if (!nextPoint || slate.Path.compare(nextPoint.path, point.path) !== 0) {
      return false;
    }
    const nextCharacter = nextPoint && slate.Editor.string(
      editor,
      direction2 === "after" ? { anchor: point, focus: nextPoint } : { anchor: nextPoint, focus: point }
    );
    const lastCharacter = nextCharacter && nextCharacter[direction2 === "after" ? 0 : nextCharacter.length - 1];
    if (!allowConsecutiveWhitespace && previousCharacterWasWhitespace && isWhitespaceCharacter.isWhitespaceCharacter(lastCharacter)) {
      return false;
    }
    if (nextPoint && lastCharacter && (!terminators.includes(lastCharacter) || ignoreTerminator?.(lastCharacter, nextPoint, direction2))) {
      previousCharacterWasWhitespace = isWhitespaceCharacter.isWhitespaceCharacter(lastCharacter);
      point = nextPoint;
      if (point.offset === 0) {
        return false;
      }
    } else {
      return false;
    }
    return true;
  }
  if (direction !== "before") {
    point = end;
    while (move("after"))
      ;
    end = point;
  }
  if (direction !== "after") {
    point = start;
    while (move("before"))
      ;
    start = point;
  }
  if (include) {
    return {
      anchor: direction === "before" || direction === "both" ? slate.Editor.before(editor, start, { unit: "offset" }) ?? start : start,
      focus: direction === "after" || direction === "both" ? slate.Editor.after(editor, end, { unit: "offset" }) ?? end : end
    };
  }
  return { anchor: start, focus: end };
}

exports.getMatchRange = getMatchRange;
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