{
  "version": 3,
  "sources": ["../../../lib/associations/mixin.js"],
  "sourcesContent": ["'use strict';\n\nconst _ = require('lodash');\nconst HasOne = require('./has-one');\nconst HasMany = require('./has-many');\nconst BelongsToMany = require('./belongs-to-many');\nconst BelongsTo = require('./belongs-to');\n\nfunction isModel(model, sequelize) {\n  return model\n    && model.prototype\n    && model.prototype instanceof sequelize.Sequelize.Model;\n}\n\nconst Mixin = {\n  hasMany(target, options = {}) {\n    if (!isModel(target, this.sequelize)) {\n      throw new Error(`${this.name}.hasMany called with something that's not a subclass of Sequelize.Model`);\n    }\n\n    const source = this;\n\n    // Since this is a mixin, we'll need a unique letiable name for hooks (since Model will override our hooks option)\n    options.hooks = options.hooks === undefined ? false : Boolean(options.hooks);\n    options.useHooks = options.hooks;\n\n    Object.assign(options, _.omit(source.options, ['hooks']));\n\n    if (options.useHooks) {\n      this.runHooks('beforeAssociate', { source, target, type: HasMany }, options);\n    }\n\n    // the id is in the foreign table or in a connecting table\n    const association = new HasMany(source, target, options);\n    source.associations[association.associationAccessor] = association;\n\n    association._injectAttributes();\n    association.mixin(source.prototype);\n\n    if (options.useHooks) {\n      this.runHooks('afterAssociate', { source, target, type: HasMany, association }, options);\n    }\n\n    return association;\n  },\n\n  belongsToMany(target, options = {}) {\n    if (!isModel(target, this.sequelize)) {\n      throw new Error(`${this.name}.belongsToMany called with something that's not a subclass of Sequelize.Model`);\n    }\n\n    const source = this;\n\n    // Since this is a mixin, we'll need a unique letiable name for hooks (since Model will override our hooks option)\n    options.hooks = options.hooks === undefined ? false : Boolean(options.hooks);\n    options.useHooks = options.hooks;\n    options.timestamps = options.timestamps === undefined ? this.sequelize.options.timestamps : options.timestamps;\n    Object.assign(options, _.omit(source.options, ['hooks', 'timestamps', 'scopes', 'defaultScope']));\n\n    if (options.useHooks) {\n      this.runHooks('beforeAssociate', { source, target, type: BelongsToMany }, options);\n    }\n    // the id is in the foreign table or in a connecting table\n    const association = new BelongsToMany(source, target, options);\n    source.associations[association.associationAccessor] = association;\n\n    association._injectAttributes();\n    association.mixin(source.prototype);\n\n    if (options.useHooks) {\n      this.runHooks('afterAssociate', { source, target, type: BelongsToMany, association }, options);\n    }\n\n    return association;\n  },\n\n  getAssociations(target) {\n    return Object.values(this.associations).filter(association => association.target.name === target.name);\n  },\n\n  getAssociationForAlias(target, alias) {\n    // Two associations cannot have the same alias, so we can use find instead of filter\n    return this.getAssociations(target).find(association => association.verifyAssociationAlias(alias)) || null;\n  }\n};\n\n// The logic for hasOne and belongsTo is exactly the same\nfunction singleLinked(Type) {\n  return function(target, options = {}) {\n    // eslint-disable-next-line no-invalid-this\n    const source = this;\n    if (!isModel(target, source.sequelize)) {\n      throw new Error(`${source.name}.${_.lowerFirst(Type.name)} called with something that's not a subclass of Sequelize.Model`);\n    }\n\n\n    // Since this is a mixin, we'll need a unique letiable name for hooks (since Model will override our hooks option)\n    options.hooks = options.hooks === undefined ? false : Boolean(options.hooks);\n    options.useHooks = options.hooks;\n\n    if (options.useHooks) {\n      source.runHooks('beforeAssociate', { source, target, type: Type }, options);\n    }\n    // the id is in the foreign table\n    const association = new Type(source, target, Object.assign(options, source.options));\n    source.associations[association.associationAccessor] = association;\n\n    association._injectAttributes();\n    association.mixin(source.prototype);\n\n    if (options.useHooks) {\n      source.runHooks('afterAssociate', { source, target, type: Type, association }, options);\n    }\n\n    return association;\n  };\n}\n\nMixin.hasOne = singleLinked(HasOne);\nMixin.belongsTo = singleLinked(BelongsTo);\n\nmodule.exports = Mixin;\nmodule.exports.Mixin = Mixin;\nmodule.exports.default = Mixin;\n"],
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