freeCodeCamp/packages/learn/gatsby-node.js

require('dotenv').config();

const { dasherize } = require('./utils');
const { blockNameify } = require('./utils/blockNameify');
const { createChallengePages, createIntroPages } = require('./utils/gatsby');

exports.onCreateNode = function onCreateNode({ node, actions }) {
  const { createNodeField } = actions;
  if (node.internal.type === 'ChallengeNode') {
    const { tests = [], block, title, superBlock } = node;

    const slug = `/${dasherize(superBlock)}/${dasherize(block)}/${dasherize(
      title
    )}`;
    createNodeField({ node, name: 'slug', value: slug });
    createNodeField({ node, name: 'blockName', value: blockNameify(block) });
    createNodeField({ node, name: 'tests', value: tests });
  }

  if (node.internal.type === 'MarkdownRemark') {
    const { frontmatter: { block, superBlock } } = node;

    let slug = `/${dasherize(superBlock)}`;

    // Without this condition the slug for superblocks ends up as something like
    // "/apis-and-microservice/undefined" and what we want instead is just
    // "/apis-and-microservice"
    if (typeof block !== 'undefined') {
      slug = slug + `/${dasherize(block)}`;
    }

    createNodeField({ node, name: 'slug', value: slug });
  }
};

exports.createPages = ({ graphql, actions }) => {
  const { createPage } = actions;

  return new Promise((resolve, reject) => {
    // Query for all markdown 'nodes' and for the slug we previously created.
    resolve(
      graphql(`
        {
          allChallengeNode(sort: { fields: [superOrder, order, suborder] }) {
            edges {
              node {
                block
                challengeType
                fields {
                  slug
                }
                id
                order
                required {
                  link
                  raw
                  src
                }
                suborder
                superBlock
                superOrder
                template
              }
            }
          }
          allMarkdownRemark {
            edges {
              node {
                fields {
                  slug
                }
                frontmatter {
                  block
                  superBlock
                  title
                }
                html
              }
            }
          }
        }
      `).then(result => {
        if (result.errors) {
          console.log(result.errors);
          reject(result.errors);
        }

        // Create challenge pages.
        result.data.allChallengeNode.edges.forEach(
          createChallengePages(createPage)
        );

        // Create intro pages
        result.data.allMarkdownRemark.edges.forEach(
          createIntroPages(createPage)
        );

        return;
      })
    );
  });
};

const RmServiceWorkerPlugin = require('webpack-remove-serviceworker-plugin');
const MonacoWebpackPlugin = require('monaco-editor-webpack-plugin');

exports.onCreateWebpackConfig = ({ stage, rules, plugins, actions }) => {
  actions.setWebpackConfig({
    module: {
      rules: [
        rules.js({
          /* eslint-disable max-len */
          exclude: modulePath => {
            return (
              /node_modules/.test(modulePath) &&
              !(/(ansi-styles|chalk|strict-uri-encode|react-freecodecamp-search)/).test(
                modulePath
              )
            );
          }
          /* eslint-enable max-len*/
        })
      ]
    },
    node: {
      fs: 'empty'
    },
    plugins: [
      plugins.define({
        HOME_PATH: JSON.stringify(
          process.env.HOME_PATH || 'http://localhost:3000'
        ),
        STRIPE_PUBLIC_KEY: JSON.stringify(process.env.STRIPE_PUBLIC_KEY || '')
      }),
      new RmServiceWorkerPlugin()
    ]
  });
  if (stage !== 'build-html') {
    actions.setWebpackConfig({
      plugins: [new MonacoWebpackPlugin()]
    });
  }
  if (stage === 'build-html') {
    actions.setWebpackConfig({
      plugins: [
        plugins.normalModuleReplacement(
          /react-monaco-editor/,
          require.resolve('./src/__mocks__/monacoEditorMock.js')
        )
      ]
    });
  }
};

exports.onCreateBabelConfig = ({ actions }) => {
  actions.setBabelPlugin({
    name: '@babel/plugin-proposal-function-bind'
  });
  actions.setBabelPlugin({
    name: '@babel/plugin-proposal-export-default-from'
  });
  actions.setBabelPlugin({
    name: 'babel-plugin-transform-imports',
    options: {
      'react-bootstrap': {
        transform: 'react-bootstrap/lib/${member}',
        preventFullImport: true
      },
      lodash: {
        transform: 'lodash/${member}',
        preventFullImport: true
      }
    }
  });
};