All files / lib/objection-utils model.decorator.lib.ts

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import { Model } from "objection";
import uniqid from "uniqid";
 
export const timestamp = () => {
  return function<T extends Model>(target): any {
    const old$beforeInsert = target.prototype.$beforeInsert;
    const old$beforeUpdate = target.prototype.$beforeUpdate;
    target.prototype.$beforeInsert = function() {
      this.createdAt = new Date();
      this.updatedAt = new Date();
      old$beforeInsert?.call(this);
    };
 
    target.prototype.$beforeUpdate = function() {
      this.updatedAt = new Date();
      old$beforeUpdate?.call(this);
    };
 
    return target;
  };
};
 
export const randomId = (prefix = "") => {
  return function<T extends Model>(target): any {
    const old$beforeInsert = target.prototype.$beforeInsert;
    target.prototype.$beforeInsert = function() {
      Eif (!this[target.idColumn]) {
        this[target.idColumn] = uniqid(prefix);
      }
      old$beforeInsert?.call(this);
    };
  };
};