gatsby-plugin-mdx/dist/remark-path-prefix-plugin.js

MDX integration for Gatsby

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.remarkPathPlugin = void 0;
var _cacheHelpers = require("./cache-helpers");
// ensure only one `/` in new url
const withPathPrefix = (url, pathPrefix) => (pathPrefix + url).replace(/\/\//, `/`);

// Ensure relative links include `pathPrefix`
const remarkPathPlugin = ({
  pathPrefix
}) => async function transformer(markdownAST) {
  if (!pathPrefix) {
    return markdownAST;
  }
  const {
    visit
  } = await (0, _cacheHelpers.cachedImport)(`unist-util-visit`);
  visit(markdownAST, [`link`, `definition`], node => {
    const typedNode = node;
    if (typedNode.url && typeof typedNode.url === `string` && typedNode.url.startsWith(`/`) && !typedNode.url.startsWith(`//`)) {
      typedNode.url = withPathPrefix(typedNode.url, pathPrefix);
    }
  });
  return markdownAST;
};
exports.remarkPathPlugin = remarkPathPlugin;