Page 370 - Nodejs 교과서 개정2판

comment: String,
createdAt: {
type: Date,
default: Date.now,
},
});

module.exports = mongoose.model('User', userSchema);

ކҳझ ݽٕীࢲ Schema ࢤࢿ੗ܳ ࢎਊ೧ झః݃ܳ ٟ݅פ׮ द௬ۄ੉ૉীࢲ ݽ؛ਸ ੿੄ೞח Ѫҗ ࠺त೤פ׮
೙٘ܳ пп ੿੄೤פ׮

ކҳझח ঌইࢲ _idܳ ӝࠄ ః۽ ࢤࢿೞ޲۽ _id ೙٘ח ੸য઴ ೙ਃо হणפ׮ աݠ૑ ೙٘੄ झಖ݅ ੑ۱೤
פ׮

ކҳझ झః݃ীࢲ ౠ੉ೠ ੼਷ String Number Date Buffer Boolean Mixed ObjectId Arrayܳ чਵ۽ о
૕ ࣻ ੓׮ח ੼ੑפ׮ ކҊ٣࠺੄ ੗ܐഋҗ ઑӘ ׮ܰݴ ಞ੄ܳ ਤ೧ ઙܨ ࣻܳ ઴ৈف঻णפ׮

name ೙٘੄ ੗ܐഋ਷ String੉Ҋ ೙ࣻ੉ݴ Ҋਬೠ ч੉যঠ ೤פ׮ age ೙٘ח Number ੗ܐഋ੉Ҋ ೙ࣻ੉ݴ
married ೙٘ח ࠛ ч ੗ܐഋ੉Ҋ ೙ࣻੑפ׮ comment ೙٘ח String ੗ܐഋੑפ׮ requiredա default ١

੄ ২࣌੉ ೙ਃೞ૑ ঋ׮ݶ рױೞѱ ੗ܐഋ݅ ݺदೞݶ ؾפ׮ createdAt ೙٘ח Date ੗ܐഋ੉Ҋ ӝࠄч਷ D
ate.now ؘ੉ఠ ࢤࢿ ׼द੄ दр ੑפ׮

݃૑݄ীח ކҳझ੄ model ݫࢲ٘۽ झః݃৬ ކҊ٣࠺ ஸ۩࣌ਸ োѾೞח ݽ؛ਸ ٟ݅פ׮

؆Ӗ झః݃ب ٜ݅যࠇद׮

schemas/comment.js
const mongoose = require('mongoose');

const { Schema } = mongoose;
const { Types: { ObjectId } } = Schema;
const commentSchema = new Schema({
commenter: {
type: ObjectId,
required: true,
ref: 'User',
},
comment: {
type: String,
required: true,
},
createdAt: {