@sequelize/core/lib/model-set-view.js

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift, Snowflake’s Data Cloud, Db2, Oracle, and IBM i. It features solid transaction support, relations, eager and lazy loading, read repli

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var model_set_view_exports = {};
__export(model_set_view_exports, {
  ModelSetView: () => ModelSetView
});
module.exports = __toCommonJS(model_set_view_exports);
var import_utils = require("@sequelize/utils");
var import_node_util = require("node:util");
var import_toposort_class = __toESM(require("toposort-class"));
class ModelSetView extends import_utils.SetView {
  #sequelize;
  constructor(sequelize, set) {
    super(set);
    this.#sequelize = sequelize;
  }
  get(modelName) {
    return this.find((model) => model.modelDefinition.modelName === modelName);
  }
  getOrThrow(modelName) {
    const model = this.get(modelName);
    if (!model) {
      throw new Error(`Model ${(0, import_node_util.inspect)(modelName)} was not added to this Sequelize instance.`);
    }
    return model;
  }
  /**
   * Returns the list of registered model names.
   */
  getNames() {
    return (0, import_utils.map)(this, (model) => model.modelDefinition.modelName);
  }
  hasByName(modelName) {
    return this.get(modelName) !== void 0;
  }
  /**
   * Returns an array that lists every model, sorted in order
   * of foreign key references: The first model is a model that is depended upon,
   * the last model is a model that is not depended upon.
   *
   * If there is a cyclic dependency, this returns null.
   */
  getModelsTopoSortedByForeignKey() {
    const models = /* @__PURE__ */ new Map();
    const sorter = new import_toposort_class.default();
    const queryGenerator = this.#sequelize.queryGenerator;
    for (const model of this) {
      let deps = [];
      const tableName = queryGenerator.quoteTable(model);
      models.set(tableName, model);
      const { attributes } = model.modelDefinition;
      for (const attrName of attributes.keys()) {
        const attribute = attributes.get(attrName);
        if (!attribute?.references) {
          continue;
        }
        const dep = queryGenerator.quoteTable(attribute.references.table);
        deps.push(dep);
      }
      deps = deps.filter((dep) => tableName !== dep);
      sorter.add(tableName, deps);
    }
    let sorted;
    try {
      sorted = sorter.sort();
    } catch (error) {
      if (error instanceof Error && !error.message.startsWith("Cyclic dependency found.")) {
        throw error;
      }
      return null;
    }
    return sorted.map((modelName) => {
      return models.get(modelName);
    }).filter(Boolean);
  }
  /**
   * Iterate over Models in an order suitable for e.g. creating tables.
   * Will take foreign key constraints into account so that dependencies are visited before dependents.
   *
   * @param iterator method to execute on each model
   * @param options
   * @param options.reverse
   * @private
   *
   * @deprecated
   */
  forEachModel(iterator, options) {
    const sortedModels = this.getModelsTopoSortedByForeignKey();
    if (sortedModels == null) {
      throw new Error("Cyclic dependency found.");
    }
    const reverse = options?.reverse ?? true;
    if (reverse) {
      sortedModels.reverse();
    }
    for (const model of sortedModels) {
      iterator(model);
    }
  }
}
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