@restmatic/server/Plugins/Middleware.js

The core Pomegranate plugins for RestMatic

"use strict";
/**
 * @file ProjectMiddleware
 * @author Jim Bulkowski <jim.b@paperelectron.com>
 * @project server
 * @license MIT {@link http://opensource.org/licenses/MIT}
 */
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const fp_1 = require("lodash/fp");
const plugin_tools_1 = require("@pomegranate/plugin-tools");
const tsGenerator = `// Generated by the Pomegranate cli on {{creationDate}}

// name: {{name}}

export const Middleware = (PluginLogger) => {
  return (req, res, next) => {
    PluginLogger.log('Saying hello from a middleware file')
    next()
  }
}
`;
exports.Middleware = plugin_tools_1.CreatePlugin('merge')
    .directories([{ path: '.', prop: 'main' }])
    .configuration({
    name: 'Middleware',
    injectableParam: 'Middleware',
    injectableScope: 'namespace',
    depends: ['@restmatic/BundledMiddleware']
})
    .hooks({
    load: (Injector, PluginLogger, PluginVariables, PluginFiles, Middleware) => __awaiter(this, void 0, void 0, function* () {
        PluginLogger.log('Creating Project Middleware.', 1);
        let files = yield PluginFiles('main').fileList({ ext: '.js' });
        let build = fp_1.map((file) => {
            let required = require(file.path);
            let fileName = file.getBaseName();
            PluginLogger.log(fileName);
            let mw = fp_1.get('Middleware', required);
            if (!mw) {
                throw new Error(`Middleware file ${fileName} does not contain an export on the Middleware property.`);
            }
            if (!fp_1.isFunction(mw)) {
                throw new Error(`Middleware file ${fileName} does not export an injectable function on the Middleware property.`);
            }
            return [file.getBaseName(), Injector.inject(mw)];
        }, files);
        return fp_1.fromPairs(build);
    })
})
    .commands(function (PomConfig, PluginFiles, Handlebars) {
    return (yargs) => {
        return yargs
            .usage('usage: $0')
            .command({
            command: 'generate <name>',
            aliases: 'g',
            describe: `Generates Middleware file <name>`,
            builder: (yargs) => {
                return yargs
                    .positional('name', {
                    describe: 'The the filename to be created.',
                    default: 'index',
                    type: 'string'
                })
                    .option('l', {
                    alias: 'language',
                    describe: 'Generate TypeScript or Javascript',
                    default: 'ts',
                    choices: ['ts'],
                    type: 'string'
                })
                    .option('force', {
                    alias: 'f',
                    default: false,
                    describe: 'overwrites the specified file if it exists.',
                    type: 'boolean'
                });
            },
            handler: (argv) => __awaiter(this, void 0, void 0, function* () {
                let Pf = PluginFiles('main');
                let file = `${argv.name}.${argv.language}`;
                let exists = yield Pf.projectFileExists(file);
                let compile = Handlebars.compile(tsGenerator);
                let compiled = compile({ creationDate: new Date().toDateString(), name: argv.name });
                if (exists && !argv.force) {
                    throw new Error(`${file} \n exists \n Rerun with --force to overwrite.`);
                }
                yield Pf.outputProjectFile(file, compiled);
                console.log(`Created @restmatic/ProjectMiddleware Middleware file ${file}`);
            })
        })
            .help();
    };
});
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