gatsby-i18n/src/plugin/onCreateNode.js

Gatsby plugin that provides i18n support

import crypto from 'crypto';

const onCreateNode = async ({
  node,
  actions,
  loadNodeContent,
  getNode,
  reporter,
}) => {
  const {
    absolutePath,
    internal: { mediaType, type },
    sourceInstanceName,
    relativeDirectory,
    name,
    id,
  } = node;

  const { createNode, createParentChildLink } = actions;

  if (type !== 'File' || sourceInstanceName !== `locale`) return;


  //Ignore _build folder
  if (/^_build/.test(relativeDirectory)) return;
  //Ignore .DS_Store
  if (/^.DS/.test(relativeDirectory)) return;

  //   process.env.NODE_ENV === `production`;
  //   if (mediaType === `application/json`) return;

  const activity = reporter.activityTimer(
    `@igorko: create node: ${relativeDirectory}_${name}`,
  );
  activity.start();

  const content = await loadNodeContent(node);

  // const compiledContent = requireFromString(content);
  // const data = JSON.stringify({ ...compiledContent }, function(key, value) {
  //   if (typeof value === 'function') {
  //     return '/Function(' + value.toString() + ')/';
  //   }
  //   return value;
  // });
  const data = JSON.stringify(JSON.parse(content), undefined, '');

  const contentDigest = crypto
    .createHash(`md5`)
    .update(data)
    .digest(`hex`);

  const localeNode = {
    id: `${id} >>> Locale`,
    children: [],
    parent: id,
    internal: { content, contentDigest, type: `Locale` },
    lng: relativeDirectory,
    ns: name,
    data,
    fileAbsolutePath: absolutePath,
  };

  createNode(localeNode);

  createParentChildLink({ parent: node, child: localeNode });

  activity.end();
};

export default onCreateNode;