gatsby-plugin-netlify-redirect/plugin-data.js

A Gatsby plugin which generates a _headers file for netlify

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports.buildPrefixer = buildPrefixer;
exports.default = makePluginData;

var _path = _interopRequireDefault(require("path"));

function buildPrefixer(prefix, ...paths) {
  return (...subpaths) => _path.default.join(prefix, ...paths, ...subpaths);
} // This function assembles data across the manifests and store to match a similar
// shape of `static-entry.js`. With it, we can build headers that point to the correct
// hashed filenames and ensure we pull in the componentChunkName.


function makePluginData(store, assetsManifest, pathPrefix) {
  const {
    program,
    pages: storePages
  } = store.getState();
  const publicFolder = buildPrefixer(program.directory, `public`);

  const stats = require(publicFolder(`webpack.stats.json`)); // Get all the files, not just the first


  const chunkManifest = stats.assetsByChunkName;
  const pages = storePages; // We combine the manifest of JS and the manifest of assets to make a lookup table.

  const manifest = { ...assetsManifest,
    ...chunkManifest
  };
  return {
    pages,
    manifest,
    pathPrefix,
    publicFolder
  };
}