gatsby-remark-widows/index.js

Removes widows from text over 4 words

"use strict";

var visit = require("unist-util-visit");

module.exports = function (_ref) {
  var markdownAST = _ref.markdownAST;
  var pluginOptions = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var options = pluginOptions;
  options.minLength = options.minLength || 4;
  options.maxLength = options.maxLength;
  visit(markdownAST, "text", function (node) {
    var processedText = node.value;
    var words = processedText.split(' ');
    var skip = false;

    if (options.maxLength && words.length > options.maxLength) {
      skip = true;
    }

    if (options.minLength && words.length < options.minLength) {
      skip = true;
    } // Fix possible widows if text is more than 4 words


    if (!skip) {
      processedText = processedText.replace(/\s+([\S]*)(\s*)$/gm, "\xA0$1$2");
    }

    node.value = processedText;
  });
  return markdownAST;
};