ichigoo/lib/graphql/nameConverter.js

Static site generator with React and GraphQL

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getRelatedType = exports.getReverseRelatedField = exports.getRelatedKey = exports.getTypeFromKey = exports.getRelationshipFromKey = void 0;

var _inflection = require("inflection");

/**
 * A bit of vocabulary
 * 
 * Consider this data:
 * {
 *     posts: [
 *          { id: 1, title: 'foo', user_id: 123 }
 *     ],
 *     users: [
 *          { id: 123, name: 'John Doe' }
 *     ]
 * }
 * 
 * We'll use the following names:
 * - key: the keys in the data map, e.g. 'posts', 'users'
 * - type: for a key, the related type in the graphQL schema, e.g. 'posts' => 'Post', 'users' => 'User'
 * - field: the keys in a record, e.g. 'id', 'foo', user_id'
 * - relationship field: a key ending in '_id', e.g. 'user_id'
 * - related key: for a relationship field, the related key, e.g. 'user_id' => 'users'
 */

/**
 * 
 * @param {String} fieldName 'users'
 * @return {String} 'Users'
 */
var getRelationshipFromKey = function getRelationshipFromKey(key) {
  return (0, _inflection.camelize)(key);
};
/**
 * 
 * @param {String} fieldName 'users'
 * @return {String} 'User'
 */


exports.getRelationshipFromKey = getRelationshipFromKey;

var getTypeFromKey = function getTypeFromKey(key) {
  return (0, _inflection.camelize)((0, _inflection.singularize)(key));
};
/**
 * 
 * @param {String} fieldName 'user_id'
 * @return {String} 'users'
 */


exports.getTypeFromKey = getTypeFromKey;

var getRelatedKey = function getRelatedKey(fieldName) {
  return (0, _inflection.pluralize)(fieldName.substr(0, fieldName.length - 3));
};
/**
 * 
 * @param {String} key 'users'
 * @return {String} 'user_id'
 */


exports.getRelatedKey = getRelatedKey;

var getReverseRelatedField = function getReverseRelatedField(key) {
  return "".concat((0, _inflection.singularize)(key), "_id");
};
/**
 * 
 * @param {String} fieldName 'user_id'
 * @return {String} 'User'
 */


exports.getReverseRelatedField = getReverseRelatedField;

var getRelatedType = function getRelatedType(fieldName) {
  return getTypeFromKey(fieldName.substr(0, fieldName.length - 3));
};

exports.getRelatedType = getRelatedType;