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) {
          while ((match = bareUrlRe.exec(content)) !== null) {
            const [ bareUrl ] = match;
            const index = line.indexOf(content);
            const range = (index === -1) ? null : [
              line.indexOf(content) + match.index + 1,
              bareUrl.length
            ];
            const fixInfo = range ? {
              "editColumn": range[0],
              "deleteCount": range[1],
              "insertText": `<${bareUrl}>`
            } : null;
            addErrorContext(
              onError,
              lineNumber,
              bareUrl,
              null,
              null,
              range,
              fixInfo
            );
          }
        }
      });
    });
  }
};