89 lines
3.7 KiB
JavaScript
89 lines
3.7 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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*
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* Lists mostly behave like normal Javascript Arrays, except for that they can
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* only store values of a single type (indicated by the `type` and `optional`
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* properties of the List), and can only be modified inside a {@linkplain
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* Realm#write write} transaction.
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*
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* @extends Realm.Collection
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* @memberof Realm
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*/
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class List extends Collection {
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/**
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* Remove the **last** value from the list and return it.
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* @throws {Error} If not inside a write transaction.
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* @returns {T|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 values to the _end_ of the list.
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*
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* @param {...T} value - Values to add to the list.
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* @throws {TypeError} If a `value` is not of a type which can be stored in
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* the list, or if an object being added to the list does not match the
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* {@linkcode Realm~ObjectSchema object schema} for the list.
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*
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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
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* the list after adding the values.
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*/
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push(...value) {}
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/**
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* Remove the **first** value from the list and return it.
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* @throws {Error} If not inside a write transaction.
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* @returns {T|undefined} if the list is empty.
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*/
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shift() {}
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/**
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* Changes the contents of the list by removing value and/or inserting new value.
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*
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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 values to remove from the list.
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* If not provided, then all values from the start index through the end of
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* the list will be removed.
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* @param {...T} [value] - Values to insert into the list starting at `index`.
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* @returns {T[]} containing the value that were removed from the list. The
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* array is empty if no value 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 values to the _beginning_ of the list.
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*
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* @param {...T} value - Values to add to the list.
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* @throws {TypeError} If a `value` is not of a type which can be stored in
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* the list, or if an object being added to the list does not match the
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* {@linkcode Realm~ObjectSchema object schema} for the list.
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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
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* the list after adding the values.
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*/
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unshift(...object) {}
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}
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