karma-server/index.js

Start a server based on Ynn.

const fs = require( 'fs' );
const path = require( 'path' );
const Ynn = require( 'ynn' );
const is = require( '@lvchengbin/is' );

function cors( ctx, config ) {
    const origin = ctx.request.get( 'origin' );
    ctx.set( 'Access-Control-Allow-Origin', origin );
    if( config[ 'Access-Control-Allow-Headers' ] ) {
        ctx.set( 'Access-Control-Allow-Headers', config[ 'Access-Control-Allow-Headers' ] );
    }
}

const createServer = ( config, basePath, files, logger ) => {
    const log = logger.create( 'server' );
    config || ( config = {} );
    const root = config.root ? path.resolve( basePath, config.root ) : basePath;
    const host =  config.host || '127.0.0.1';
    const ns = config.namespace || 'server';

    const app = new Ynn( {
        root,
        debugging : is.undefined( config.debugging ) ? Ynn.DEBUGGING_ERROR : config.debugging,
        modules : config.modules || {},
        logging : Ynn.LOGGING_DISABLE_ALL,
        static : {
            '/static/home.html' : config.static || root
        },
        routers() {
            this.router.options( /.*/, async ctx => {
                cors( ctx, config );
                ctx.body = {};
            } );

            this.router.any( '*', /.*/, async ( ctx, next ) => {
                try {
                    await next();
                } catch( e ) {
                    ctx.status = e.status;
                } finally {
                    cors( ctx, config );
                }
            } );
        }
    } );
    const listen = app.listen( config.port );
    const port = listen.address().port;

    const DECLARATION = `
        ( function() {
            // This file is generated by karma-server.
            window.${ns} = window.${ns} || {};
            window.${ns}.time = ${+new Date};
            window.${ns}.port = ${port};
            window.${ns}.host = 'http://${host}:${port}';
        } )();
    `;

    const file = path.join( __dirname, 'server-declaration.js' );

    fs.writeFileSync( file, DECLARATION );

    log.info( `Ynn is listening to the port: ${port}. [http://${host}:${port}]` );

    files.unshift( {
        pattern : file,
        included : true,
        served : true,
        watched : false
    } );

};
createServer.$inject = [ 'config.server', 'config.basePath', 'config.files', 'logger' ];

module.exports = {
    'framework:server' : [ 'factory', createServer ]
};