think-cli/bin/commands/migrate.js

A simple CLI for scaffolding Thinkjs projects.

const helper = require('think-helper');
const inquirer = require('inquirer');
const fs = require('fs');
const path = require('path');
const os = require('os');
const chalk = require('chalk');
const utils = require('../../lib/utils');
const getOptions = require('../../lib/options');
const logger = require('../../lib/logger');

/**
 * Padding.
 */

console.log();
process.on('exit', function() {
  console.log();
});

/**
 * Start.
 */

const appRootPath = path.resolve('./');
if (!utils.isThinkApp(appRootPath)) {
  logger.error(
    'Please execute the command in the ' +
    chalk.yellow.underline.bold('thinkjs project') +
    ' root directory'
  );
}

const filepath = path.join(appRootPath, 'src/common');
const isMultiModule = helper.isDirectory(filepath);
const packageJSONPath = path.join(appRootPath, 'package.json');
const packageJSON = require(packageJSONPath);

const templateInfo = {
  projectName: packageJSON.name || path.relative('../', process.cwd()),
  templateName: 'think-template/standard',
  clone: false,
  isMultiModule
};

const metaConf = getOptions(path.join(__dirname, '../../default_template'), { name: templateInfo.projectName });
const prompts = utils.compose(addMultiModulePrompt, formatPrompts)(metaConf.prompts)(templateInfo);
inquirer
  .prompt(prompts)
  .then(metadata => {
    packageJSON.thinkjs = Object.assign(templateInfo, { metadata });
    fs.writeFileSync(packageJSONPath, Buffer.from(JSON.stringify(packageJSON, null, '  '), 'binary'));
    console.log('');
    logger.success('Migration successful');
  });

function formatPrompts(prompts) {
  return Object
    .keys(prompts)
    .map(key => Object.assign({ name: key }, prompts[key]));
}

function addMultiModulePrompt(prompts) {
  return options => {
    const multiModulePrompt = {
      name: 'defaultModule',
      type: 'string',
      message: 'Please enter a default module name',
      default: 'home'
    };
    return options.isMultiModule
      ? [...prompts, multiModulePrompt]
      : prompts;
  };
}