All files / presentation/lib align_left.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2019 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 fillLine = require( './fill_line.js' );
 
 
// MAIN //
 
/**
* Left aligns a line of slide text.
*
* @private
* @param {PositiveInteger} width - slide width
* @param {string} line - line text
* @param {NonNegativeInteger} len - effective line length
* @param {string} fill - fill character
* @param {NonNegativeInteger} padding - padding
* @returns {string} aligned text
*/
function alignLeft( width, line, len, fill, padding ) {
	var right;
	var left;

	left = (padding/2)|0; // Note: presentation line length assumed never greater than 2^31-1!
	right = width - left - len;

	return fillLine( line, fill, left, right );
}
 
 
// EXPORTS //
 
module.exports = alignLeft;