@bigtest/mirage/lib/orm/associations/association.js

A client-side server to develop, test and prototype your app.

import { dasherize } from '@bigtest/mirage';

export default class Association {
  constructor(modelName, opts) {
    if (typeof modelName === 'object') {
      // Received opts only
      this.modelName = undefined;
      this.opts = modelName;
    } else {
      // The modelName of the association. (Might not be passed in - set later
      // by schema).
      this.modelName = modelName ? dasherize(modelName) : '';
      this.opts = opts || {};
    }

    // The key pointing to the association
    this.key = '';

    // The modelName that owns this association
    this.ownerModelName = '';
  }

  /**
   * A setter for schema, since we don't have a reference at constuction time.
   *
   * @method setSchema
   * @public
  */
  setSchema(schema) {
    this.schema = schema;
  }

  /**
   * Returns true if the association is reflexive.
   *
   * @method isReflexive
   * @return {Boolean}
   * @public
  */
  isReflexive() {
    let isExplicitReflexive = !!(this.modelName === this.ownerModelName && this.opts.inverse);
    let isImplicitReflexive = !!(this.opts.inverse === undefined && this.ownerModelName === this.modelName);

    return isExplicitReflexive || isImplicitReflexive;
  }

  get isPolymorphic() {
    return this.opts.polymorphic;
  }
}