--- /dev/null
+'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)
+}