markdownlint/lib/md034.js

// @ts-check

"use strict";

const { addErrorContext, bareUrlRe, filterTokens } = require("../helpers");

module.exports = {
  "names": [ "MD034", "no-bare-urls" ],
  "description": "Bare URL used",
  "tags": [ "links", "url" ],
  "function": function MD034(params, onError) {
    filterTokens(params, "inline", (token) => {
      let inLink = false;
      token.children.forEach((child) => {
        const { content, line, lineNumber, type } = child;
        let match = null;
        if (type === "link_open") {
          inLink = true;
        } else if (type === "link_close") {
          inLink = false;
        } else if ((type === "text") && !inLink &&
            (match = bareUrlRe.exec(content))) {
          const [ bareUrl ] = match;
          const index = line.indexOf(content);
          const range = (index === -1) ? null : [
            line.indexOf(content) + match.index + 1,
            bareUrl.length
          ];
          addErrorContext(onError, lineNumber, bareUrl, null, null, range);
        }
      });
    });
  }
};