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| Current File : //usr/lib/node_modules/npm/node_modules/gauge/lib/template-item.js |
'use strict'
var stringWidth = require('string-width')
module.exports = TemplateItem
function isPercent (num) {
if (typeof num !== 'string') {
return false
}
return num.slice(-1) === '%'
}
function percent (num) {
return Number(num.slice(0, -1)) / 100
}
function TemplateItem (values, outputLength) {
this.overallOutputLength = outputLength
this.finished = false
this.type = null
this.value = null
this.length = null
this.maxLength = null
this.minLength = null
this.kerning = null
this.align = 'left'
this.padLeft = 0
this.padRight = 0
this.index = null
this.first = null
this.last = null
if (typeof values === 'string') {
this.value = values
} else {
for (var prop in values) {
this[prop] = values[prop]
}
}
// Realize percents
if (isPercent(this.length)) {
this.length = Math.round(this.overallOutputLength * percent(this.length))
}
if (isPercent(this.minLength)) {
this.minLength = Math.round(this.overallOutputLength * percent(this.minLength))
}
if (isPercent(this.maxLength)) {
this.maxLength = Math.round(this.overallOutputLength * percent(this.maxLength))
}
return this
}
TemplateItem.prototype = {}
TemplateItem.prototype.getBaseLength = function () {
var length = this.length
if (
length == null &&
typeof this.value === 'string' &&
this.maxLength == null &&
this.minLength == null
) {
length = stringWidth(this.value)
}
return length
}
TemplateItem.prototype.getLength = function () {
var length = this.getBaseLength()
if (length == null) {
return null
}
return length + this.padLeft + this.padRight
}
TemplateItem.prototype.getMaxLength = function () {
if (this.maxLength == null) {
return null
}
return this.maxLength + this.padLeft + this.padRight
}
TemplateItem.prototype.getMinLength = function () {
if (this.minLength == null) {
return null
}
return this.minLength + this.padLeft + this.padRight
}
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