gatsby-plugin-gatsby-cloud/gatsby-node.js

A Gatsby plugin which optimizes working with Gatsby Cloud

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _fsExtra = require("fs-extra");
var _webpackAssetsManifest = _interopRequireDefault(require("webpack-assets-manifest"));
var _gatsbyCoreUtils = require("gatsby-core-utils");
var _pluginData = _interopRequireDefault(require("./plugin-data"));
var _buildHeadersProgram = _interopRequireDefault(require("./build-headers-program"));
var _copyFunctionsManifest = _interopRequireDefault(require("./copy-functions-manifest"));
var _createRedirects = _interopRequireDefault(require("./create-redirects"));
var _createSiteConfig = _interopRequireDefault(require("./create-site-config"));
var _constants = require("./constants");
var _ipc = require("./ipc");
const assetsManifest = {};
process.env.GATSBY_PREVIEW_INDICATOR_ENABLED = process.env.GATSBY_PREVIEW_INDICATOR_ENABLED || `false`;

// Inject a webpack plugin to get the file manifests so we can translate all link headers
exports.onCreateWebpackConfig = ({
  actions,
  stage
}) => {
  if (stage === _constants.BUILD_HTML_STAGE) {
    return;
  }
  actions.setWebpackConfig({
    plugins: [new _webpackAssetsManifest.default({
      assets: assetsManifest,
      // mutates object with entries
      merge: true
    })]
  });
};
exports.onPostBuild = async ({
  store
}, userPluginOptions) => {
  const pluginOptions = {
    ..._constants.DEFAULT_OPTIONS,
    ...userPluginOptions
  };
  const {
    redirects,
    pages
  } = store.getState();
  const pluginData = (0, _pluginData.default)(store, assetsManifest);

  /**
   * Emit via IPC routes for which pages are non SSG
   */
  let index = 0;
  let batch = {};
  for (const [pathname, page] of pages) {
    if (page.mode && page.mode !== `SSG`) {
      index++;
      const fullPathName = page.matchPath ? page.matchPath : pathname;
      batch[(0, _gatsbyCoreUtils.generateHtmlPath)(``, fullPathName)] = page.mode;
      batch[(0, _gatsbyCoreUtils.generatePageDataPath)(``, fullPathName)] = page.mode;
      if (index % 1000 === 0) {
        await (0, _ipc.emitRoutes)(batch);
        batch = {};
      }
    }
  }
  if (Object.keys(batch).length > 0) {
    await (0, _ipc.emitRoutes)(batch);
  }
  let rewrites = [];
  if (pluginOptions.generateMatchPathRewrites) {
    const matchPathsFile = (0, _gatsbyCoreUtils.joinPath)(pluginData.program.directory, `.cache`, `match-paths.json`);
    const matchPaths = await (0, _fsExtra.readJSON)(matchPathsFile);
    rewrites = matchPaths.map(({
      matchPath,
      path
    }) => {
      return {
        fromPath: matchPath,
        toPath: path
      };
    });
  }
  await Promise.all([ensureEmittingFileNodesFinished, (0, _buildHeadersProgram.default)(pluginData, pluginOptions), (0, _createSiteConfig.default)(pluginData, pluginOptions), (0, _createRedirects.default)(pluginData, redirects, rewrites), (0, _copyFunctionsManifest.default)(pluginData), (0, _ipc.emitTotalRenderedPageCount)(pages.size)]);
};
const MATCH_ALL_KEYS = /^/;
const pluginOptionsSchema = function ({
  Joi
}) {
  const headersSchema = Joi.object().pattern(MATCH_ALL_KEYS, Joi.array().items(Joi.string())).description(`Add more headers to specific pages`);
  return Joi.object({
    headers: headersSchema,
    allPageHeaders: Joi.array().items(Joi.string()).description(`Add more headers to all the pages`),
    mergeSecurityHeaders: Joi.boolean().description(`When set to false, turns off the default security headers`),
    mergeLinkHeaders: Joi.boolean().description(`When set to false, turns off the default gatsby js headers`),
    mergeCachingHeaders: Joi.boolean().description(`When set to false, turns off the default caching headers`),
    transformHeaders: Joi.function().maxArity(2).description(`Transform function for manipulating headers under each path (e.g.sorting), etc. This should return an object of type: { key: Array<string> }`),
    generateMatchPathRewrites: Joi.boolean().description(`When set to false, turns off automatic creation of redirect rules for client only paths`),
    disablePreviewUI: Joi.boolean().description(`When set to true, turns off Gatsby Preview if enabled`)
  });
};
exports.pluginOptionsSchema = pluginOptionsSchema;

/**
 * We emit File Nodes via IPC and we need to make sure build doesn't finish before all of
 * messages were sent.
 */
let ensureEmittingFileNodesFinished;
exports.onPreBootstrap = ({
  emitter,
  getNodesByType
}) => {
  emitter.on(`API_FINISHED`, action => {
    if (action.payload.apiName !== `sourceNodes`) {
      return;
    }
    async function doEmitFileNodes() {
      const fileNodes = getNodesByType(`File`);

      // TODO: This is missing the cacheLocations .cache/caches + .cache/caches-lmdb
      for (const file of fileNodes) {
        await (0, _ipc.emitFileNodes)({
          path: file.absolutePath
        });
      }
    }
    ensureEmittingFileNodesFinished = doEmitFileNodes();
  });
};