All files / lib/props/infinities set.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2018 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 logger = require( 'debug' );
var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
var format = require( '@stdlib/string/format' );
 
 
// VARIABLES //
 
var debug = logger( 'sparkline:line-chart:unicode:set:infinities' );
 
 
// MAIN //
 
/**
* Sets a flag indicating whether to encode infinite values.
*
* @private
* @param {boolean} bool - boolean flag
* @throws {TypeError} must be a boolean
*/
function set( bool ) {
	/* eslint-disable no-invalid-this */
	if ( !isBoolean( bool ) ) {
		throw new TypeError( format( 'invalid assignment. `%s` must be a boolean. Value: `%s`.', 'infinities', bool ) );
	}
	if ( bool !== this._infinities ) {
		debug( 'Current value: %s.', this._infinities );
 
		this._infinities = bool;
		debug( 'New value: %s.', this._infinities );
 
		this.emit( 'change' );
	}
}
 
 
// EXPORTS //
 
module.exports = set;