dtable-utils/lib/column/long-text.js

dtable common utils

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var hrefReg = /\[.+\]\(\S+\)|<img src=(\S+).+\/>|!\[\]\(\S+\)|<\S+>/g;
var imageReg1 = /^<img src="(\S+)" .+\/>/;
var imageReg2 = /^!\[\]\((\S+)\)/;
var linkReg1 = /^\[.+\]\(\S+\)/;
var linkReg2 = /^<(\S+)>$/;
var skipCharacterTypes = ['#', '`', '*', '[', ']', '-'];
function getLinks(hrefs) {
  var hrefObj = {
    links: [],
    images: []
  };
  hrefs.forEach(function (href) {
    if (href.search(linkReg1) >= 0) {
      hrefObj.links.push(href);
    } else if (href.search(linkReg2) >= 0) {
      hrefObj.links.push(href.match(linkReg2)[1]);
    } else {
      var imageSrcs = href.match(imageReg1);
      var imageSrcs1 = href.match(imageReg2);
      if (imageSrcs) {
        hrefObj.images.push(imageSrcs[1]);
      } else if (imageSrcs1) {
        hrefObj.images.push(imageSrcs1[1]);
      }
    }
  });
  return hrefObj;
}
function getPreviewContent(markdownContent) {
  var preview = '';
  var newMarkdownContent = markdownContent.replace(hrefReg, '');
  var newMarkdownLength = newMarkdownContent.length;
  for (var index = 0; index < newMarkdownLength; index++) {
    var letter = newMarkdownContent[index];
    if (skipCharacterTypes.includes(letter)) {
      continue;
    } else if (letter === '\n') {
      preview += ' ';
    } else {
      preview += newMarkdownContent[index];
    }
    if (preview.length === 150) {
      break;
    }
  }
  var hrefs = markdownContent.match(hrefReg);
  if (hrefs) {
    var _getLinks = getLinks(hrefs),
      images = _getLinks.images,
      links = _getLinks.links;
    return {
      preview: preview,
      images: images,
      links: links
    };
  }
  return {
    preview: preview,
    images: [],
    links: []
  };
}

exports["default"] = getPreviewContent;