make falttenArray based on left indent

flettentArr_leftIndent.js

 public makeFlatNumberingArray = (paragraphs) => {
    const resultArr = [];
    let levelData = null;

    for (let i = 0; i < paragraphs.length; i++) {
      const curr = paragraphs[i];
      let level = 0;
      let parentId = null;
      let levelString = curr.data.isListItem ? curr.data.listItem.listString : hasNumbering(curr.data.text)[0];
      for (let j = i - 1; j >= 0; j--) {
        const prev = resultArr[j];
        if (curr.data.leftIndent > prev.data.leftIndent) {
          level = prev.level + 1;
          parentId = prev.id;
          levelString = prev.levelString.replace(/\./, '.').concat('.', levelString.replace(/\./, ''));
          break;
        }
      }

      levelData = {
        id: curr.id,
        data: curr.data,
        children: [],
        parentId,
        level,
        levelString,
        listString: curr.data.isListItem ? curr.data.listItem.listString : hasNumbering(curr.data.text)[0],
        text: curr.data.isListItem ? curr.data.text : curr.data.text.replace(hasNumbering(curr.data.text)[0], ''),
        references: hasReferences(curr.data.text),
      };

      resultArr.push(levelData);
    }
    return resultArr;
  };