gatsby-plugin-mdx-v1/dist/gatsby-mdx-loader.js

MDX integration for Gatsby (MDX v1)

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _path = require("gatsby-core-utils/path");

var _cacheHelpers = require("./cache-helpers");

var _compileMdx = require("./compile-mdx");

/* eslint-disable @babel/no-invalid-this */
// Custom MDX Loader that injects the GraphQL MDX node into plugin data
// This whole loaded could be replaced by @mdx-js/loader if MDX would
// accept custom data passed to the unified pipeline via processor.data()
const gatsbyMDXLoader = async function (source) {
  const {
    options,
    getNode,
    cache,
    reporter
  } = this.getOptions();
  const resourcePath = (0, _path.slash)(this.resourcePath);
  const mdxNodeId = await cache.get((0, _cacheHelpers.createFileToMdxCacheKey)(resourcePath));

  if (!mdxNodeId) {
    return source;
  }

  const mdxNode = getNode(mdxNodeId);

  if (!mdxNode) {
    return source;
  }

  const compileRes = await (0, _compileMdx.compileMDX)( // We want to work with the transformed source from our layout plugin
  {
    absolutePath: resourcePath,
    source: mdxNode.body
  }, options, cache, reporter);

  if (compileRes !== null && compileRes !== void 0 && compileRes.processedMDX) {
    return compileRes.processedMDX;
  }

  return source;
};

var _default = gatsbyMDXLoader;
exports.default = _default;