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feat: add initial plot/vega/data/tidy/from-xy-arguments implementation
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‎lib/node_modules/@stdlib/plot/vega/data/tidy/from-xy-arguments/examples/index.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2025 The Stdlib Authors.
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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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'use strict';
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var randomArray = require( '@stdlib/random/array/discrete-uniform' );
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var randomNumber = require( '@stdlib/random/base/discrete-uniform' );
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var bernoulli = require( '@stdlib/random/base/bernoulli' );
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var filledBy = require( '@stdlib/array/base/filled-by' );
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var filled2dBy = require( '@stdlib/array/base/filled2d-by' );
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var zeroTo = require( '@stdlib/array/zero-to' );
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var array = require( '@stdlib/ndarray/array' );
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var ndarray2array = require( '@stdlib/ndarray/to-array' );
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var args2tidy = require( './../lib' );
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/* ---- */
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console.log( '' );
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console.log( 'Array of numbers:' );
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var arr = randomArray( 10, -100, 100 );
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var data = args2tidy( [ arr ] );
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console.log( arr );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of objects:' );
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function clbk1( i ) {
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return {
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'x': i,
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'y': randomNumber( -100, 100 )
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};
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}
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arr = filledBy( 10, clbk1 );
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data = args2tidy( [ arr ] );
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console.log( arr );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of tuples:' );
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arr = filled2dBy( [ 10, 2 ], randomNumber.factory( -100, 100 ) );
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data = args2tidy( [ arr ] );
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console.log( arr );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Vector:' );
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arr = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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data = args2tidy( [ arr ] );
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console.log( ndarray2array( arr ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of array of objects:' );
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var arr1 = filledBy( 10, clbk1 );
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var arr2 = filledBy( 10, clbk1 );
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data = args2tidy( [ [ arr1, arr2 ] ] );
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console.log( arr1 );
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console.log( arr2 );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of array of tuples:' );
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arr1 = filled2dBy( [ 10, 2 ], randomNumber.factory( -100, 100 ) );
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arr2 = filled2dBy( [ 10, 2 ], randomNumber.factory( -100, 100 ) );
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data = args2tidy( [ [ arr1, arr2 ] ] );
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console.log( arr1 );
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console.log( arr2 );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Matrix of columns:' );
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arr = array( randomArray( 10, -100, 100 ), {
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'shape': [ 5, 2 ]
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});
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data = args2tidy( [ arr ] );
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console.log( ndarray2array( arr ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of vectors:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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data = args2tidy( [ [ arr1, arr2 ] ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of grouped objects:' );
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function clbk2( i ) {
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return {
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'x': i,
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'y': randomNumber( -100, 100 ),
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'z': bernoulli( 0.5 )
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};
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}
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arr = filledBy( 20, clbk2 );
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data = args2tidy( [ arr ], {
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'x': 'x',
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'y': 'y',
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'z': 'z'
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});
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console.log( arr );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of numbers with array of numbers:' );
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arr1 = zeroTo( 10 );
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arr2 = randomArray( 10, -100, 100 );
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data = args2tidy( [ arr1, arr2 ] );
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console.log( arr1 );
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console.log( arr2 );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of numbers with array of arrays:' );
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arr1 = zeroTo( 5 );
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arr2 = filled2dBy( [ 5, 5 ], randomNumber.factory( -100, 100 ) );
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data = args2tidy( [ arr1, arr2 ] );
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console.log( arr1 );
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console.log( arr2 );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of arrays with array of numbers:' );
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arr1 = filled2dBy( [ 5, 5 ], randomNumber.factory( -100, 100 ) );
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arr2 = zeroTo( 5 );
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data = args2tidy( [ arr1, arr2 ] );
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console.log( arr1 );
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console.log( arr2 );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of arrays with array of arrays:' );
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arr1 = filled2dBy( [ 5, 5 ], randomNumber.factory( -100, 100 ) );
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arr2 = filled2dBy( [ 5, 5 ], randomNumber.factory( -100, 100 ) );
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data = args2tidy( [ arr1, arr2 ] );
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console.log( arr1 );
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console.log( arr2 );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Vector with vector:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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data = args2tidy( [ arr1, arr2 ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Vector with array of vectors:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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data = args2tidy( [ arr1, [ arr2, arr1 ] ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of vectors with vector:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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data = args2tidy( [ [ arr1, arr2 ], arr2 ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Array of vectors with array of vectors:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 10 ]
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});
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data = args2tidy( [ [ arr1, arr2 ], [ arr2, arr1 ] ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Vector with matrix:' );
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arr1 = array( randomArray( 5, -100, 100 ), {
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'shape': [ 5 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 5, 2 ]
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});
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data = args2tidy( [ arr1, arr2 ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Matrix with vector:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 5, 2 ]
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});
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arr2 = array( randomArray( 5, -100, 100 ), {
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'shape': [ 5 ]
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});
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data = args2tidy( [ arr1, arr2 ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );
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/* ---- */
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console.log( '' );
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console.log( 'Matrix with matrix:' );
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arr1 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 5, 2 ]
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});
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arr2 = array( randomArray( 10, -100, 100 ), {
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'shape': [ 5, 2 ]
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});
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data = args2tidy( [ arr1, arr2 ] );
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console.log( ndarray2array( arr1 ) );
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console.log( ndarray2array( arr2 ) );
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console.log( JSON.stringify( data ) );

‎lib/node_modules/@stdlib/plot/vega/data/tidy/from-xy-arguments/lib/index.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2025 The Stdlib Authors.
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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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'use strict';
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/**
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* Convert a list of arguments corresponding to `x` and `y` coordinates to a list of tidy data sets.
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*
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* @module @stdlib/plot/vega/data/tidy/from-xy-arguments
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*
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* @example
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* var args2tidy = require( '@stdlib/plot/vega/data/tidy/from-xy-arguments' );
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*
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* // TODO
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*/
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// MODULES //
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var main = require( './main.js' );
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// EXPORTS //
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module.exports = main;

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