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