index.js
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'use strict';
const fs = require('fs');
const path = require('path');
const Sequelize = require('sequelize');
const basename = path.basename(__filename);
const env = process.env.NODE_ENV || 'development';
const config = require(__dirname + '/../config/config.json')[env];
const models = {};
let sequelize;
if (config.use_env_variable) {
sequelize = new Sequelize(process.env[config.use_env_variable], config);
} else {
sequelize = new Sequelize(config.database, config.username, config.password, config);
}
// 반복문을 돌면서 models 내에 있는 파일들을 읽고 그것을 모델로 정의함
fs
.readdirSync(__dirname)
.filter(file => {
return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
})
.forEach(file => {
const model = sequelize['import'](path.join(__dirname, file));
models[model.name] = model;
});
models.User = require('./user')(sequelize, Sequelize);
Object.keys(models).forEach(modelName => {
if (models[modelName].associate) {
models[modelName].associate(models);
}
});
models.sequelize = sequelize;
models.Sequelize = Sequelize;
module.exports = models;