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createSnfApp.js
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createSnfApp.js
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#!/usr/bin/env node
'use strict';
let program;
const chalk = require('chalk');
const commander = require('commander');
const packageJson = require('./package.json');
const fs = require('fs-extra');
const path = require('path');
const unzip = require('unzip-stream');
const replace = require('replace-in-file');
const execa = require('execa');
const bootstrapURL = 'https://github.com/diogolmenezes/create-snf-app/blob/master/packages/snf:version.zip?raw=true';
// start create-nfs-app
init();
function init() {
let projectName = 'my-app';
program = new commander.Command(packageJson.name)
.version(packageJson.version)
.arguments('<project-directory>')
.usage(`${chalk.green('<project-directory>')} [options]`)
.action(name => {
projectName = name;
})
.option('-p, --port <n>', 'server port', parseInt)
.option('-r, --release <value>', 'bootstrap release number')
.option('--enable-database', 'enable mongodb support')
.option('--enable-redis', 'enable redis support')
.option('--enable-cache', 'enable cache support')
.option('--enable-session', 'enable session support')
.option('--enable-typescript', 'enable typescript support')
.option('--disable-install', 'dont run npm install')
.allowUnknownOption()
.parse(process.argv);
if (typeof projectName === 'undefined') {
console.error('Please specify the project directory:');
console.log(
` ${chalk.cyan(program.name())} ${chalk.green('<project-directory>')}`
);
console.log();
console.log('For example:');
console.log(` ${chalk.cyan(program.name())} ${chalk.green('my-snf-app')}`);
console.log();
console.log(
`Run ${chalk.cyan(`${program.name()} --help`)} to see all options.`
);
process.exit(1);
}
createApp(projectName, bootstrapURL);
}
async function createApp(name, url) {
const root = path.resolve(name);
fs.ensureDirSync(name);
console.log(`Creating a new simple-node-framework app in ${chalk.yellow(root)}.`);
console.log();
const stream = downloadBootstrapFile(bootstrapURL, program.release);
await extractStream(stream, root);
replaceParameters(root, name, program.port);
if (!program.disableInstall)
await npmInstall(root);
success(root, name);
}
async function npmInstall(path) {
process.chdir(path)
console.log(`Running npm install...`);
console.log('This might take a couple of minutes.');
console.log();
const {
stdout
} = await execa('npm', ['i']);
console.log(stdout);
console.log();
}
function downloadBootstrapFile(url, version) {
let _url = url.replace(':version', (version) ? `${version}` : '');
console.log(`Downloading the bootstrap from ${chalk.green(_url)}`);
console.log('This might take a couple of minutes.');
console.log();
const got = require('got');
const stream = got.stream(_url);
return stream;
}
async function extractStream(stream, dest) {
return new Promise((resolve, reject) => {
stream.pipe(unzip.Extract({ path: dest })).on('finish',() => {
resolve();
});
});
}
function replaceParameters(path, name, port) {
console.log(`Replacing default parameters ${chalk.green(path + '/**')}`);
const changes = replace.sync({
verbose: true,
files: `${path}/**`,
from: [/my-application/g, /8090/g],
to: [name, port],
});
const environments = ['default', 'development', 'staging', 'production'];
environments.map(env => {
const configPath = `${path}/api/config/env/${env}.js`;
const conf = require(configPath);
if (!program.enableDatabase) {
delete conf.db;
}
if (!program.enableRedis) {
delete conf.redis;
delete conf.cache;
delete conf.session;
}
if (!program.enableCache) {
delete conf.cache;
}
if (!program.enableSession) {
delete conf.session;
}
if (program.enableTypescript) {
fs.mkdirpSync(`${path}/dist`);
const tsConfiguration = {
app: {
name
},
dir: '/dist'
}
fs.writeFileSync(`${path}/.snf`, JSON.stringify(tsConfiguration));
}
const content = `module.exports = ${JSON.stringify(conf, null, 4)}`
fs.writeFileSync(configPath, content, 'utf8', function (err) {
if (err) return console.log(err);
});
});
changes.map(change => console.log(`File changed ${chalk.blue(change)}`));
console.log();
}
function success(path, name) {
const configPath = `${name}/api/config/env/default.js`;
const install = (program.disableInstall) ? ' npm install &&' : '';
console.log(`${chalk.green(`SUCCESS! Application installed at ${chalk.blue(path)}`)}`);
console.log();
console.log(` 1. Change configurations at ${chalk.blue(configPath)}.`);
console.log(` 2. Start your app ${chalk.blue(`cd ${name} &&${install} npm start`)}`);
console.log();
console.log('Documentation:');
console.log();
console.log(` Simple node framework: ${chalk.rgb(219, 126, 54)('https://github.com/diogolmenezes/simple-node-framework')}`);
console.log(` Simple node bootstrap: ${chalk.rgb(219, 126, 54)('https://github.com/diogolmenezes/simple-node-bootstrap')}`);
console.log(` SNF create app: ${chalk.rgb(219, 126, 54)('https://github.com/diogolmenezes/create-snf-app')}`);
console.log();
}