gatsby-config.js

require("dotenv").config();
const queries = require("./src/utils/algolia");
const config = require("./config");


const plugins = [
	'gatsby-plugin-sitemap',
	'gatsby-plugin-sharp',
	{
		resolve: `gatsby-plugin-layout`,
		options: {
			component: require.resolve(`./src/templates/docs.js`)
		}
	},
	'gatsby-plugin-emotion',
	'gatsby-plugin-react-helmet',
	{
		resolve: "gatsby-source-filesystem",
		options: {
			name: "docs",
			path: `${__dirname}/content/`
		}
	},
	{
		resolve: 'gatsby-plugin-mdx',
		options: {
			gatsbyRemarkPlugins: [
				{
					resolve: "gatsby-remark-images",
					options: {
						maxWidth: 1035,
						sizeByPixelDensity: true
					}
				},
				{
					resolve: 'gatsby-remark-copy-linked-files'
				}
			],
			extensions: [".mdx", ".md"]
		}
	},
	{
		resolve: `gatsby-plugin-gtag`,
		options: {
			// your google analytics tracking id
			trackingId: config.gatsby.gaTrackingId,
			// Puts tracking script in the head instead of the body
			head: true,
			// enable ip anonymization
			anonymize: false,
		},

	},
	{
		resolve: '@stackbit/gatsby-plugin-menus',
		options: {
		  // static definition of menu items (optional)
		  menus: {
		  },
		  // Gatsby node types from which we extract menus (optional, see "Advanced usage")
		  sourceNodeType: 'MarkdownRemark', 
		  // the relative node path where we can find the 'menus' container (optional)
		  //sourceDataPath: 'content/menus',
		  // the relative node path where we can find the page's URL (required)
		  sourceUrlPath: '/content/main',
		  // custom menu loading function (optional)
		  // menuLoader: customLoaderFunction,
		  // the property to use for injecting to the page context (optional, see "Advanced usage")
		  //pageContextProperty: 'content'
		},
	  },
];
	// check and add algolia
	if (config.header.search && config.header.search.enabled && config.header.search.algoliaAppId && config.header.search.algoliaAdminKey) {
		plugins.push({
			resolve: `gatsby-plugin-algolia`,
			options: {
				appId: config.header.search.algoliaAppId, // algolia application id
				apiKey: config.header.search.algoliaAdminKey, // algolia admin key to index
				queries,
				chunkSize: 10000, // default: 1000
			}}
		)
	}
	// check and add pwa functionality
	if (config.pwa && config.pwa.enabled && config.pwa.manifest) {
		plugins.push({
			resolve: `gatsby-plugin-manifest`,
			options: {...config.pwa.manifest},
		});
		plugins.push({
			resolve: 'gatsby-plugin-offline',
			options: {
			appendScript: require.resolve(`./src/custom-sw-code.js`),
			},
		});
	} else {
		plugins.push('gatsby-plugin-remove-serviceworker');
	}

	// check and remove trailing slash
	if (config.gatsby && !config.gatsby.trailingSlash) {
		plugins.push('gatsby-plugin-remove-trailing-slashes');
	}

module.exports = {
	pathPrefix: config.gatsby.pathPrefix,
	siteMetadata: {
		title: config.siteMetadata.title,
		description: config.siteMetadata.description,
		docsLocation: config.siteMetadata.docsLocation,
		ogImage: config.siteMetadata.ogImage,
		favicon: config.siteMetadata.favicon,
		logo: { link: config.header.logoLink ? config.header.logoLink : '/', image: config.header.logo }, // backwards compatible
		headerTitle: config.header.title,
		githubUrl: config.header.githubUrl,
		helpUrl: config.header.helpUrl,
		tweetText: config.header.tweetText,
		headerLinks: config.header.links,
		siteUrl: config.gatsby.siteUrl,
	},
	plugins: plugins,
	flags: {
		DEV_SSR: false,
		FAST_DEV: false, // Enable all experiments aimed at improving develop server start time
		PRESERVE_WEBPACK_CACHE: false, // (Umbrella Issue (https://gatsby.dev/cache-clearing-feedback)) · Use webpack's persistent caching and don't delete webpack's cache when changing gatsby-node.js & gatsby-config.js files.
		PRESERVE_FILE_DOWNLOAD_CACHE: false, // (Umbrella Issue (https://gatsby.dev/cache-clearing-feedback)) · Don't delete the downloaded files cache when changing gatsby-node.js & gatsby-config.js files.
		PARALLEL_SOURCING: false, // EXPERIMENTAL · (Umbrella Issue (https://gatsby.dev/parallel-sourcing-feedback)) · Run all source plugins at the same time instead of serially. For sites with multiple source plugins, this can speedup sourcing and transforming considerably.
		FUNCTIONS: false // EXPERIMENTAL · (Umbrella Issue (https://gatsby.dev/functions-feedback)) · Compile Serverless functions in your Gatsby project and write them to disk, ready to deploy to Gatsby Cloud
	}
};