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