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'use strict'
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var path = require('path')
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var fs = require('fs')
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var utl = require('./utl')
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var home = process.env.HOME
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var settings
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function getSettings(home_) {
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if (settings) return settings
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var settingsJson
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try {
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settingsJson = fs.readFileSync(path.join(home_ || home, '.cardinalrc'), 'utf-8')
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} catch (_) {
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// no .cardinalrc found - not a problem
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return undefined
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}
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try {
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return JSON.parse(settingsJson)
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} catch (e) {
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// Have a .cardinalrc, but something about it is wrong - warn the user
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// Coudn't parse the contained JSON
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console.error(e)
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return undefined
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}
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}
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// home_ mainly to be used during tests
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// Resolves the preferred theme from the .cardinalrc found in the HOME directory
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// If it couldn't be resolved, undefined is returned
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function resolveTheme(home_) {
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var themePath
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var settings = getSettings(home_)
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if (!settings || !settings.theme) return undefined
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try {
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// allow specifying just the name of a built-in theme or a full path to a custom theme
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themePath = utl.isPath(settings.theme) ? settings.theme : path.join(__dirname, 'themes', settings.theme)
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return require(themePath)
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} catch (e) {
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// Specified theme path is invalid
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console.error(e)
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return undefined
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}
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}
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module.exports = {
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resolveTheme: resolveTheme
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, getSettings: getSettings
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}
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