//////////////////////////////////////////////////////////////////////////// // // Copyright 2016 Realm Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // //////////////////////////////////////////////////////////////////////////// /** * Instances of this class will be returned when accessing object properties whose type is `"list"` * (see {@linkplain Realm~ObjectSchemaProperty ObjectSchemaProperty}). * The objects contained in a list are accessible through its index properties and may only be * modified inside a {@linkplain Realm#write write} transaction. * @memberof Realm */ class List { /** * The number of objects in the list. * @type {number} * @readonly */ get length() {} /** * Returns new results that represent this list being filtered by the provided query. * ```js * let merlots = wines.filtered('varietal == "Merlot" && vintage <= $0', maxYear); * ``` * @param {string} query - Query used to filter results. * @param {...any} [arg] - Each subsequent argument is used by the placeholders * (e.g. `$0`, `$1`, `$2`, …) in the query. * @throws {Error} If the query or any other argument passed into this method is invalid. * @returns {Realm.Results} filtered according to the provided query. */ filtered(query, ...arg) {} /** * Returns new results that represent this list being sorted by the provided property * (or properties) of each object. * @param {string|Realm.Results~SortDescriptor[]} descriptor - The property name(s) to sort * results by. * @param {boolean} [reverse=false] - May only be provided if `descriptor` is a string. * @throws {Error} If a specified property does not exist. * @returns {Realm.Results} sorted according to the arguments passed in */ sorted(descriptor, reverse) {} /** * Create a frozen snapshot of the list. This means changes to the list will not be * reflected in the results returned by this method. However, deleted objects will become * `null` at their respective indices. * @returns {Realm.Results} which will **not** live update. */ snapshot() {} /** * Remove the **first** object from the list and return it. * @throws {Error} If not inside a write transaction. * @returns {Realm.Object|undefined} if the list is empty. */ shift() {} /** * Remove the **last** object from the list and return it. * @throws {Error} If not inside a write transaction. * @returns {Realm.Object|undefined} if the list is empty. */ pop() {} /** * Add one or more objects to the _end_ of the list. * @param {...Realm.Object} object - Each object’s type must match * {@linkcode Realm~ObjectSchemaProperty objectType} specified in the schema. * @throws {TypeError} If an `object` is of the wrong type. * @throws {Error} If not inside a write transaction. * @returns {number} equal to the new {@link Realm.List#length length} of the list * after adding objects. */ push(...object) {} /** * Changes the contents of the list by removing objects and/or inserting new objects. * @see {@linkcode https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice Array.prototype.splice} * @param {number} index - The start index. If greater than the length of the list, * the start index will be set to the length instead. If negative, then the start index * will be counted from the end of the list (e.g. `list.length - index`). * @param {number} [count] - The number of objects to remove from the list. If not provided, * then all objects from the start index through the end of the list will be removed. * @param {...Realm.Object} [object] - Objects to insert into the list starting at `index`. * @returns {Realm.Object[]} containing the objects that were removed from the list. The * array is empty if no objects were removed. */ splice(index, count, ...object) {} /** * Add one or more objects to the _beginning_ of the list. * @param {...Realm.Object} object - Each object’s type must match * {@linkcode Realm~ObjectSchemaProperty objectType} specified in the schema. * @throws {TypeError} If an `object` is of the wrong type. * @throws {Error} If not inside a write transaction. * @returns {number} equal to the new {@link Realm.List#length length} of the list * after adding objects. */ unshift(...object) {} }