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@stdlib/array

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/** * @license Apache-2.0 * * Copyright (c) 2024 The Stdlib Authors. * * 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. */ // TypeScript Version: 4.1 /// <reference types="@stdlib/types"/> import { Collection, ArrayLike, AccessorArrayLike, ComplexTypedArray, TypedArray, BooleanTypedArray, ArrayIndexObject } from '@stdlib/types/array'; import ArrayIndex = require( './../../../index' ); /** * Interface describing a cache for resolving array index objects. */ interface Cache { /** * Returns an array associated with the index object having a provided identifier. * * @param id - identifier * @returns index data */ get( id: any ): ArrayIndexObject | null; } /** * Interface describing function options. */ interface Options { /** * Boolean indicating whether to enforce strict bounds checking. */ strict?: boolean; /** * Cache for resolving array index objects. */ cache?: Cache; } /** * Interface describing the main export. */ interface Array2Fancy { /** * Converts an array to an object supporting fancy indexing. * * @param x - input array * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking * @param options.cache - cache for resolving array index objects * @returns fancy array * * @example * var Float64Array = require( './../../../float64' ); * * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] ); * * var y = array2fancy( x ); * // returns <Float64Array> * * var v = y[ ':' ]; * // returns <Float64Array>[ 1.0, 2.0, 3.0, 4.0 ] * * @example * var Float32Array = require( './../../../float32' ); * * var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0 ] ); * * var y = array2fancy( x ); * // returns <Float32Array> * * var v = y[ ':' ]; * // returns <Float32Array>[ 1.0, 2.0, 3.0, 4.0 ] * * @example * var Complex128Array = require( './../../../complex128' ); * * var x = new Complex128Array( [ 1.0, 2.0, 3.0, 4.0 ] ); * * var y = array2fancy( x ); * // returns <Complex128Array> * * var v = y[ ':' ]; * // returns <Complex128Array>[ 1.0, 2.0, 3.0, 4.0 ] * * @example * var Complex64Array = require( './../../../complex64' ); * * var x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0 ] ); * * var y = array2fancy( x ); * // returns <Complex64Array> * * var v = y[ ':' ]; * // returns <Complex64Array>[ 1.0, 2.0, 3.0, 4.0 ] * * @example * var Int32Array = require( './../../../int32' ); * * var x = new Int32Array( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Int32Array> * * var v = y[ ':' ]; * // returns <Int32Array>[ 1, 2, 3, 4 ] * * @example * var Int16Array = require( './../../../int16' ); * * var x = new Int16Array( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Int16Array> * * var v = y[ ':' ]; * // returns <Int16Array>[ 1, 2, 3, 4 ] * * @example * var Int8Array = require( './../../../int8' ); * * var x = new Int8Array( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Int8Array> * * var v = y[ ':' ]; * // returns <Int8Array>[ 1, 2, 3, 4 ] * * @example * var Uint32Array = require( './../../../uint32' ); * * var x = new Uint32Array( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Uint32Array> * * var v = y[ ':' ]; * // returns <Uint32Array>[ 1, 2, 3, 4 ] * * @example * var Uint16Array = require( './../../../uint16' ); * * var x = new Uint16Array( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Uint16Array> * * var v = y[ ':' ]; * // returns <Uint16Array>[ 1, 2, 3, 4 ] * * @example * var Uint8Array = require( './../../../uint8' ); * * var x = new Uint8Array( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Uint8Array> * * var v = y[ ':' ]; * // returns <Uint8Array>[ 1, 2, 3, 4 ] * * @example * var Uint8ClampedArray = require( './../../../uint8c' ); * * var x = new Uint8ClampedArray( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * // returns <Uint8ClampedArray> * * var v = y[ ':' ]; * // returns <Uint8ClampedArray>[ 1, 2, 3, 4 ] */ <T extends TypedArray | ComplexTypedArray | BooleanTypedArray>( x: T, options?: Options ): T; /** * Converts an array to an object supporting fancy indexing. * * @param x - input array * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking * @param options.cache - cache for resolving array index objects * @returns fancy array * * @example * var x = [ 1, 2, 3, 4 ]; * * var y = array2fancy( x ); * // returns <Array> * * var v = y[ ':' ]; * // returns [ 1, 2, 3, 4 ] */ <T = unknown>( x: Array<T>, options?: Options ): Array<T>; /** * Converts an array to an object supporting fancy indexing. * * @param x - input array * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking * @param options.cache - cache for resolving array index objects * @returns fancy array * * @example * var toAccessorArray = require( './../../../base/to-accessor-array' ); * * var x = toAccessorArray( [ 1, 2, 3, 4 ] ); * * var y = array2fancy( x ); * var v = y[ ':' ]; */ <T = unknown>( x: AccessorArrayLike<T>, options?: Options ): AccessorArrayLike<T>; /** * Converts an array to an object supporting fancy indexing. * * @param x - input array * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking * @param options.cache - cache for resolving array index objects * @returns fancy array * * @example * var x = [ 1, 2, 3, 4 ]; * * var y = array2fancy( x ); * // returns <Array> * * var v = y[ ':' ]; * // returns [ 1, 2, 3, 4 ] */ <T = unknown>( x: Collection<T>, options?: Options ): Collection<T>; /** * Converts an array-like value to an object supporting fancy indexing. * * @param x - input array * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking * @param options.cache - cache for resolving array index objects * @returns fancy array * * @example * var x = [ 1, 2, 3, 4 ]; * * var y = array2fancy( x ); * // returns <Array> * * var v = y[ ':' ]; * // returns [ 1, 2, 3, 4 ] */ <T = unknown>( x: ArrayLike<T>, options?: Options ): ArrayLike<T>; /** * Returns a function for converting an array to an object supporting fancy indexing. * * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking by default * @param options.cache - cache for resolving array index objects * @returns function for converting an array to an object supporting fancy indexing * * @example * var fcn = array2fancy.factory(); * * var x = [ 1, 2, 3, 4 ]; * * var y = fcn( x ); * // returns <Array> * * var v = y[ ':' ]; * // returns [ 1, 2, 3, 4 ] */ factory( options?: Options ): Array2Fancy; /** * Array index constructor. * * @param x - input array * @param options - function options * @param options.persist - boolean indicating whether to continue persisting an index object after first usage * @returns ArrayIndex instance * * @example * var Uint8Array = require( './../../../uint8' ); * * var x = new Uint8Array( [ 1, 0, 1, 0 ] ); * * var idx = array2fancy.idx( x ); * // returns <ArrayIndex> */ idx: typeof ArrayIndex; } /** * Converts an array to an object supporting fancy indexing. * * @param x - input array * @param options - function options * @param options.strict - boolean indicating whether to enforce strict bounds checking * @param options.cache - cache for resolving array index objects * @returns fancy array * * @example * var x = [ 1, 2, 3, 4 ]; * * var y = array2fancy( x ); * // returns <Array> * * var v = y[ ':' ]; * // returns [ 1, 2, 3, 4 ] */ declare var array2fancy: Array2Fancy; // EXPORTS // export = array2fancy;