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'use strict'
var objectAssign = require('object-assign')
module.exports = function () {
return ThemeSetProto.newThemeSet()
}
var ThemeSetProto = {}
ThemeSetProto.baseTheme = require('./base-theme.js')
ThemeSetProto.newTheme = function (parent, theme) {
if (!theme) {
theme = parent
parent = this.baseTheme
}
return objectAssign({}, parent, theme)
}
ThemeSetProto.getThemeNames = function () {
return Object.keys(this.themes)
}
ThemeSetProto.addTheme = function (name, parent, theme) {
this.themes[name] = this.newTheme(parent, theme)
}
ThemeSetProto.addToAllThemes = function (theme) {
var themes = this.themes
Object.keys(themes).forEach(function (name) {
objectAssign(themes[name], theme)
})
objectAssign(this.baseTheme, theme)
}
ThemeSetProto.getTheme = function (name) {
if (!this.themes[name]) throw this.newMissingThemeError(name)
return this.themes[name]
}
ThemeSetProto.setDefault = function (opts, name) {
if (name == null) {
name = opts
opts = {}
}
var platform = opts.platform == null ? 'fallback' : opts.platform
var hasUnicode = !!opts.hasUnicode
var hasColor = !!opts.hasColor
if (!this.defaults[platform]) this.defaults[platform] = {true: {}, false: {}}
this.defaults[platform][hasUnicode][hasColor] = name
}
ThemeSetProto.getDefault = function (opts) {
if (!opts) opts = {}
var platformName = opts.platform || process.platform
var platform = this.defaults[platformName] || this.defaults.fallback
var hasUnicode = !!opts.hasUnicode
var hasColor = !!opts.hasColor
if (!platform) throw this.newMissingDefaultThemeError(platformName, hasUnicode, hasColor)
if (!platform[hasUnicode][hasColor]) {
if (hasUnicode && hasColor && platform[!hasUnicode][hasColor]) {
hasUnicode = false
} else if (hasUnicode && hasColor && platform[hasUnicode][!hasColor]) {
hasColor = false
} else if (hasUnicode && hasColor && platform[!hasUnicode][!hasColor]) {
hasUnicode = false
hasColor = false
} else if (hasUnicode && !hasColor && platform[!hasUnicode][hasColor]) {
hasUnicode = false
} else if (!hasUnicode && hasColor && platform[hasUnicode][!hasColor]) {
hasColor = false
} else if (platform === this.defaults.fallback) {
throw this.newMissingDefaultThemeError(platformName, hasUnicode, hasColor)
}
}
if (platform[hasUnicode][hasColor]) {
return this.getTheme(platform[hasUnicode][hasColor])
} else {
return this.getDefault(objectAssign({}, opts, {platform: 'fallback'}))
}
}
ThemeSetProto.newMissingThemeError = function newMissingThemeError (name) {
var err = new Error('Could not find a gauge theme named "' + name + '"')
Error.captureStackTrace.call(err, newMissingThemeError)
err.theme = name
err.code = 'EMISSINGTHEME'
return err
}
ThemeSetProto.newMissingDefaultThemeError = function newMissingDefaultThemeError (platformName, hasUnicode, hasColor) {
var err = new Error(
'Could not find a gauge theme for your platform/unicode/color use combo:\n' +
' platform = ' + platformName + '\n' +
' hasUnicode = ' + hasUnicode + '\n' +
' hasColor = ' + hasColor)
Error.captureStackTrace.call(err, newMissingDefaultThemeError)
err.platform = platformName
err.hasUnicode = hasUnicode
err.hasColor = hasColor
err.code = 'EMISSINGTHEME'
return err
}
ThemeSetProto.newThemeSet = function () {
var themeset = function (opts) {
return themeset.getDefault(opts)
}
return objectAssign(themeset, ThemeSetProto, {
themes: objectAssign({}, this.themes),
baseTheme: objectAssign({}, this.baseTheme),
defaults: JSON.parse(JSON.stringify(this.defaults || {}))
})
}
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