shopify-express-remix-app/server/controllers/validator/base.js

A boilerplate for building Shopify apps using Express and Remix

export class BaseValidator {
  constructor() {
    this.option = 0
    this.schema = null;
  }

  validate(data, option=0) {
    this.option = option
    // Make all fields optional if `option` is 1
    if (this.option === 1) {
      this.schema = this.schema.fork(Object.keys(this.schema.describe().keys), (field) =>
        field.optional()
      );
    }
    const { error } = this.schema.validate(data);
    if (error) {
      throw new Error(error.details[0].message);
    }
  }
}