我有以下文件結構:如何從index.js中獲取相同目錄中的內容?
models/
index.js
something.js
user.js
在index.js
(這是由Sequalize產生,從這裏進口的東西,在其他目錄工作):
'use strict';
var fs = require('fs');
var path = require('path');
var Sequelize = require('sequelize');
var basename = path.basename(module.filename);
var env = process.env.NODE_ENV || 'development';
var config = require(__dirname + '/../config/config')[env];
var db = {};
if (config.use_env_variable) {
var sequelize = new Sequelize(process.env[config.use_env_variable]);
} else {
var sequelize = new Sequelize(config.database, config.username, config.password, config);
}
fs
.readdirSync(__dirname)
.filter(function(file) {
return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
})
.forEach(function(file) {
var model = sequelize['import'](path.join(__dirname, file));
db[model.name] = model;
});
Object.keys(db).forEach(function(modelName) {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db; // <<< I want to import that in something.js
user.js
:
'use strict';
module.exports = (sequelize, DataTypes) => {
const User = sequelize.define('User', {
username: { type: DataTypes.STRING, allowNull: false, unique: true },
password: { type: DataTypes.STRING, allowNull: false },
}, {
classMethods: {
associate() {},
},
});
return User;
};
something.js
:
'use strict';
// this all logs an empty object
console.log(require('./index'));
console.log(require('.'));
console.log(require('./'));
console.log(require('../models'));
console.log(require('../models/'));
console.log(require('../models/index'));
module.exports = (sequelize, DataTypes) => {
const Something = sequelize.define('Something', {
name: DataTypes.STRING,
}, {
classMethods: {
associate(models) {
},
},
});
return Something;
};
如果我需要db
從其他目錄中的文件它的作品,所以我想這不是一個導出問題。
如何在something.js
中要求db
因此它不是未定義的?
'const {neededStuff} = require('./ index');'當然可以。 –
在'index.js'中記錄'db'!把'console.log(db);'放在'module.exports = db;'之前!它記錄了什麼? –
'console.log(Object.keys(db));'logs' ['Something','User','sequelize','Sequelize']' – mrowa44