mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-20 06:07:55 +00:00
121 lines
3.2 KiB
CoffeeScript
121 lines
3.2 KiB
CoffeeScript
_ = require('lodash')
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_.str = require('underscore.string')
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resin = require('resin-sdk')
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capitano = require('capitano')
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# TODO: Refactor this terrible mess
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PADDING_INITIAL = ' '
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PADDING_MIDDLE = '\t'
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getFieldMaxLength = (array, field) ->
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return _.max _.map array, (item) ->
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return item[field].toString().length
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buildHelpString = (firstColumn, secondColumn) ->
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result = "#{PADDING_INITIAL}#{firstColumn}"
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result += "#{PADDING_MIDDLE}#{secondColumn}"
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return result
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addOptionPrefix = (option) ->
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return if option.length <= 0
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if option.length is 1
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return "-#{option}"
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else
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return "--#{option}"
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addAlias = (alias) ->
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return ", #{addOptionPrefix(alias)}"
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buildOptionSignatureHelp = (option) ->
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result = addOptionPrefix(option.signature.toString())
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if _.isString(option.alias)
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result += addAlias(option.alias)
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else if _.isArray(option.alias)
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for alias in option.alias
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result += addAlias(alias)
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if option.parameter?
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result += " <#{option.parameter}>"
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return result
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getCommandHelp = (command) ->
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maxSignatureLength = getFieldMaxLength(capitano.state.commands, 'signature')
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commandSignature = _.str.rpad(command.signature.toString(), maxSignatureLength, ' ')
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return buildHelpString(commandSignature, command.description)
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getOptionsParsedSignatures = (optionsHelp) ->
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maxLength = _.max _.map optionsHelp, (signature) ->
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return signature.length
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return _.map optionsHelp, (signature) ->
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return _.str.rpad(signature, maxLength, ' ')
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getOptionHelp = (option, maxLength) ->
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result = PADDING_INITIAL
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result += _.str.rpad(option.signature, maxLength, ' ')
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result += PADDING_MIDDLE
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result += option.description
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return result
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exports.general = ->
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console.log("Usage: #{process.argv[0]} [COMMAND] [OPTIONS]\n")
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console.log('Commands:\n')
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for command in capitano.state.commands
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continue if command.isWildcard()
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console.log(getCommandHelp(command))
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console.log('\nGlobal Options:\n')
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options = _.map capitano.state.globalOptions, (option) ->
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option.signature = buildOptionSignatureHelp(option)
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return option
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optionSignatureMaxLength = _.max _.map options, (option) ->
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return option.signature.length
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for option in options
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console.log(getOptionHelp(option, optionSignatureMaxLength))
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console.log()
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exports.command = (params) ->
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command = capitano.state.getMatchCommand(params.command)
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if not command? or command.isWildcard()
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return capitano.defaults.actions.commandNotFound(params.command)
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console.log("Usage: #{command.signature}")
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if command.help?
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console.log("\n#{command.help}")
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else if command.description?
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console.log("\n#{_.str.humanize(command.description)}")
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if not _.isEmpty(command.options)
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console.log('\nOptions:\n')
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options = _.map command.options, (option) ->
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option.signature = buildOptionSignatureHelp(option)
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return option
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optionSignatureMaxLength = _.max _.map options, (option) ->
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return option.signature.toString().length
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for option in options
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console.log(getOptionHelp(option, optionSignatureMaxLength))
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console.log()
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exports.help =
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signature: 'help [command...]'
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description: 'show help'
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action: (params) ->
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if params.command?
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exports.command(arguments...)
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else
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exports.general(arguments...)
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