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gauge
progress-bar.js
'use strict' var validate = require('aproba') var renderTemplate = require('./render-template.js') var wideTruncate = require('./wide-truncate') var stringWidth = require('string-width') module.exports = function (theme, width, completed) { validate('ONN', [theme, width, completed]) if (completed < 0) completed = 0 if (completed > 1) completed = 1 if (width <= 0) return '' var sofar = Math.round(width * completed) var rest = width - sofar var template = [ {type: 'complete', value: repeat(theme.complete, sofar), length: sofar}, {type: 'remaining', value: repeat(theme.remaining, rest), length: rest} ] return renderTemplate(width, template, theme) } // lodash's way of repeating function repeat (string, width) { var result = '' var n = width do { if (n % 2) { result += string } n = Math.floor(n / 2) /*eslint no-self-assign: 0*/ string += string } while (n && stringWidth(result) < width) return wideTruncate(result, width) }
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