DefinitelyTyped/types/inert/inert-tests.ts

import {
    Server,
    Lifecycle,
} from 'hapi';

import * as path from 'path';
import * as inert from 'inert';

const server = new Server({
    port: 3000,
    routes: {
        files: {
            relativeTo: path.join(__dirname, 'public')
        }
    }
});

const provision = async () => {
    await server.register(inert);

    await server.register({
        plugin: inert,
        options: { etagsCacheMaxSize: 400 },
    });

    await server.register({
        plugin: inert,
        once: true,
    });

    server.route({
        method: 'GET',
        path: '/{param*}',
        handler: {
            directory: {
                path: '.',
                redirectToSlash: true,
                index: true
            }
        }
    });

    // https://github.com/hapijs/inert#serving-a-single-file
    server.route({
        method: 'GET',
        path: '/{path*}',
        handler: {
            file: 'page.html'
        }
    });

    // https://github.com/hapijs/inert#customized-file-response
    server.route({
        method: 'GET',
        path: '/file',
        handler(request, reply) {
            let path = 'plain.txt';
            if (request.headers['x-magic'] === 'sekret') {
                path = 'awesome.png';
            }

            return reply.file(path).vary('x-magic');
        }
    });

    const handler: Lifecycle.Method = (request, h) => {
        const response = request.response;
        if (response instanceof Error && response.output.statusCode === 404) {
            return h.file('404.html').code(404);
        }

        return h.continue;
    };

    server.ext('onPostHandler', handler);

    const file: inert.FileHandlerRouteObject = {
        path: '',
        confine: true,
    };

    const directory: inert.DirectoryHandlerRouteObject = {
        path: '',
        listing: true
    };

    server.route({
        path: '',
        method: 'GET',
        handler: {
            file,
            directory: {
                path() {
                    if (Math.random() > 0.5) {
                        return '';
                    } else if (Math.random() > 0) {
                        return [''];
                    }
                    return new Error('');
                },
            },
        },
        options: { files: { relativeTo: __dirname } }
    });
};