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/***************************************************************************************************************************************************************
*
* cfonts
*
* Sexy fonts for the console. (CLI output)
*
* @license https://github.com/dominikwilkowski/cfonts/blob/released/LICENSE GNU GPL-3.0-or-later
* @author Dominik Wilkowski hi@dominik-wilkowski.com
* @repository https://github.com/dominikwilkowski/cfonts
*
* AlignText
* Calculate the spaces to be added to the left of each line to align them either center or right
*
**************************************************************************************************************************************************************/
'use strict';
const {
Debugging
} = require('./Debugging.js');
const {
Size
} = require('./Size.js');
/**
* Calculate the spaces to be added to the left of each line to align them either center or right
*
* @param {array} output - The output array the line shall be appended to
* @param {number} lineLength - The current line length
* @param {number} characterLines - The amount of line breaks in one character
* @param {string} align - The alignment of the text, only `center` and `right` will do anything
* @param {object} size - The size of the terminal as an object, default: Size
* @param {number} size.width - The width of the terminal
* @param {number} size.height - The height of the terminal
*
* @return {array} - The output array with space added on the left for alignment
*/
const AlignText = (output, lineLength, characterLines, align, size = Size) => {
Debugging.report(`Running AlignText`, 1);
let space = 0;
if (align === 'center') {
// calculate the size for center alignment
space = Math.ceil((size.width - lineLength) / 2);
Debugging.report(`AlignText: Center lineLength: ${lineLength}, size.width: ${size.width}, space: ${space}`, 2);
}
if (align === 'right') {
// calculate the size for right alignment
space = size.width - lineLength;
Debugging.report(`AlignText: Right lineLength: ${lineLength}, size.width: ${size.width}, space: ${space}`, 2);
}
if (space > 0) {
// only add if there is something to add
let lines = output.length - characterLines; // last line is characterLines tall and is located at the bottom of the output array
const spaces = ' '.repeat(space);
for (let i = lines; i < output.length; i++) {
// iterate over last line (which can be several line breaks long)
output[i] = spaces + output[i];
}
}
return output;
};
module.exports = exports = {
AlignText
};