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35 lines
998 B
35 lines
998 B
'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) completed = 0 |
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if (completed > 1) completed = 1 |
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if (width <= 0) return '' |
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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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