@atlaskit/renderer/dist/esm/ui/Renderer/rendererHelper.js

Renderer component

import _defineProperty from "@babel/runtime/helpers/defineProperty";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
export var removeEmptySpaceAroundContent = function removeEmptySpaceAroundContent(document) {
  // Check if the document is valid
  if (!document || !document.content || !Array.isArray(document.content)) {
    return document;
  }

  // Check if the node is a meaningful content node meaning it is not an empty paragraph or a paragraph with only whitespace
  var isMeaningfulContentNode = function isMeaningfulContentNode(node) {
    // Check if the node is a non-empty paragraph or a non-paragraph node
    if (node.type !== 'paragraph') {
      return true;
    }
    // If the paragraph is empty, return false
    if (!node.content || node.content.length === 0) {
      return false;
    }
    // Check if paragraph has any content other than `hardBreak` or whitespace text nodes
    return node.content.some(function (child) {
      return !((child === null || child === void 0 ? void 0 : child.type) === 'hardBreak' || (child === null || child === void 0 ? void 0 : child.type) === 'text' && typeof child.text === 'string' && child.text.trim() === '');
    });
  };
  var content = document.content;
  var firstContentIndex = -1;
  var lastContentIndex = -1;

  // Find the first and last paragraphs with content and check if they are meaningful
  for (var i = 0; i < content.length; i++) {
    if (isMeaningfulContentNode(content[i])) {
      if (firstContentIndex === -1) {
        firstContentIndex = i;
      }
      lastContentIndex = i;
    }
  }

  // If no content was found, return an empty document
  if (firstContentIndex === -1) {
    return _objectSpread(_objectSpread({}, document), {}, {
      content: []
    });
  }

  // Slice the content array to include only paragraphs between the first and last content
  var trimmedContent = content.slice(firstContentIndex, lastContentIndex + 1);

  // Return a new document with the trimmed content
  return _objectSpread(_objectSpread({}, document), {}, {
    content: trimmedContent
  });
};