All files from_iterator.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2026 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.
*/
 
'use strict';
 
// MODULES //
 
var isArrayLikeObject = require( '@stdlib/assert/is-array-like-object' );
var isUint64 = require( '@stdlib/assert/is-uint64' );
var format = require( '@stdlib/string/format' );
 
 
// MAIN //
 
/**
* Returns an array of iterated values.
*
* @private
* @param {Object} it - iterator
* @returns {(Array|TypeError)} array or an error
*/
function fromIterator( it ) {
	var out;
	var v;
	var z;
 
	out = [];
	while ( true ) {
		v = it.next();
		if ( v.done ) {
			break;
		}
		z = v.value;
		if ( isArrayLikeObject( z ) && z.length >= 2 ) {
			out.push( z[ 0 ], z[ 1 ] );
		} else if ( isUint64( z ) ) {
			out.push( z.hi, z.lo );
		} else {
			return new TypeError( format( 'invalid argument. An iterator must return either a two-element array containing high and low word or a 64-bit unsigned integer. Value: `%s`.', z ) );
		}
	}
	return out;
}
 
 
// EXPORTS //
 
module.exports = fromIterator;