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- {"ast":null,"code":"\"use strict\";\n\nvar _Object$defineProperty = require(\"@babel/runtime-corejs3/core-js-stable/object/define-property\");\nvar _interopRequireDefault = require(\"@babel/runtime-corejs3/helpers/interopRequireDefault\");\n_Object$defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = void 0;\nvar _isArray = _interopRequireDefault(require(\"@babel/runtime-corejs3/core-js-stable/array/is-array\"));\nvar _defineProperty2 = _interopRequireDefault(require(\"@babel/runtime-corejs3/helpers/defineProperty\"));\nvar _CoreManager = _interopRequireDefault(require(\"./CoreManager\"));\n/**\n * Creates a new Relation for the given parent object and key. This\n * constructor should rarely be used directly, but rather created by\n * Parse.Object.relation.\n *\n * <p>\n * A class that is used to access all of the children of a many-to-many\n * relationship. Each instance of Parse.Relation is associated with a\n * particular parent object and key.\n * </p>\n *\n * @alias Parse.Relation\n */\nclass ParseRelation {\n /**\n * @param {Parse.Object} parent The parent of this relation.\n * @param {string} key The key for this relation on the parent.\n */\n constructor(parent, key) {\n (0, _defineProperty2.default)(this, \"parent\", void 0);\n (0, _defineProperty2.default)(this, \"key\", void 0);\n (0, _defineProperty2.default)(this, \"targetClassName\", void 0);\n this.parent = parent;\n this.key = key;\n this.targetClassName = null;\n }\n\n /*\n * Makes sure that this relation has the right parent and key.\n */\n _ensureParentAndKey(parent, key) {\n this.key = this.key || key;\n if (this.key !== key) {\n throw new Error('Internal Error. Relation retrieved from two different keys.');\n }\n if (this.parent) {\n if (this.parent.className !== parent.className) {\n throw new Error('Internal Error. Relation retrieved from two different Objects.');\n }\n if (this.parent.id) {\n if (this.parent.id !== parent.id) {\n throw new Error('Internal Error. 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Relation retrieved from two different keys.');\n }\n if (this.parent) {\n if (this.parent.className !== parent.className) {\n throw new Error('Internal Error. Relation retrieved from two different Objects.');\n }\n if (this.parent.id) {\n if (this.parent.id !== parent.id) {\n throw new Error('Internal Error. Relation retrieved from two different Objects.');\n }\n } else if (parent.id) {\n this.parent = parent;\n }\n } else {\n this.parent = parent;\n }\n }\n\n /**\n * Adds a Parse.Object or an array of Parse.Objects to the relation.\n *\n * @param {(Parse.Object|Array)} objects The item or items to add.\n * @returns {Parse.Object} The parent of the relation.\n */\n add(objects) {\n if (!(0, _isArray.default)(objects)) {\n objects = [objects];\n }\n const {\n RelationOp\n } = _CoreManager.default.getParseOp();\n const change = new RelationOp(objects, []);\n const parent = this.parent;\n if (!parent) {\n throw new Error('Cannot add to a Relation without a parent');\n }\n if (objects.length === 0) {\n return parent;\n }\n parent.set(this.key, change);\n this.targetClassName = change._targetClassName;\n return parent;\n }\n\n /**\n * Removes a Parse.Object or an array of Parse.Objects from this relation.\n *\n * @param {(Parse.Object|Array)} objects The item or items to remove.\n */\n 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