61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
// requirements
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const progress = require('progress');
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const readline = require('readline');
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// print logo
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function printLogo() {
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console.log(' _ _ _ __ __ ');
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console.log(' | |__ __ _ __| |__ _ ___ _ _ /_\\ | \\/ |');
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console.log(' | \'_ \\\/ _` \/ _` \/ _` / -_) \'_\/ _ \\| |\\/| |');
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console.log(' |_.__\/\\__,_\\__,_\\__, \\___|_|\/_\/ \\_\\_| |_|');
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console.log(' |___/ ');
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}
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// display a confirmation prompt
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function askForConfirmation(message, confirms, callback) {
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const line = readline.createInterface({
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input: process.stdin,
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output: process.stdout
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});
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message += ' [';
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for (let counter = 0, length = confirms.length; counter < length; counter++) {
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if (counter > 0) {
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message += '/' + confirms[counter];
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} else {
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message += confirms[counter];
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}
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}
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message += ']';
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line.question(message + '\n', function (answer) {
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if (confirms.indexOf(answer) === -1) {
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return callback('wrong input: \'' + answer + '\'');
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}
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callback();
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});
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}
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// create a ascii progressbar
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function createProgressBar(total) {
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return new progress(':bar | progress: :current/:total (:percent) | elapsed: :elapseds | eta: :etas', {
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total: total,
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width: 32
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});
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}
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// shutdown
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function exit(err, start) {
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if (err) {
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console.error(err);
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process.exit(1);
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}
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const diff = process.hrtime(start);
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console.log('exiting after ' + ((diff[0] + (diff[1] / 1000000)) / 1000).toFixed(2) + ' seconds');
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process.exit(0);
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}
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// api
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exports.printLogo = printLogo;
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exports.askForConfirmation = askForConfirmation;
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exports.createProgressBar = createProgressBar;
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exports.exit = exit;
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