mirror of
https://github.com/balena-io/balena-cli.git
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49 lines
1.3 KiB
CoffeeScript
49 lines
1.3 KiB
CoffeeScript
fs = require('fs')
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path = require('path')
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rimraf = require('rimraf')
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fsUtils = require('../fs-utils/fs-utils')
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exports.prefix = require('./data-prefix')
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haltIfNoPrefix = (callback) ->
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return ->
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if not exports.prefix.get()?
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throw new Error('Did you forget to set a prefix?')
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return callback.apply(null, arguments)
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constructPath = (key) ->
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prefix = exports.prefix.get()
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result = path.join(prefix, key)
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if not fsUtils.isValidPath(result)
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throw new Error('Invalid path')
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return result
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exports.get = haltIfNoPrefix (key, options, callback) ->
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exports.has key, (hasKey) ->
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if not hasKey
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# Pass undefined explicitly, otherwise
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# async gets confused
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return callback?(null, undefined)
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keyPath = constructPath(key)
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fs.readFile(keyPath, options, callback)
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exports.set = haltIfNoPrefix (key, value, options, callback) ->
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keyPath = constructPath(key)
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fs.writeFile(keyPath, value, options, callback)
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exports.has = haltIfNoPrefix (key, callback) ->
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keyPath = constructPath(key)
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fs.exists(keyPath, callback)
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exports.remove = haltIfNoPrefix (key, callback) ->
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keyPath = constructPath(key)
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fsUtils.isDirectory keyPath, (error, isDirectory) ->
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return callback(error) if error?
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removeFunction = if isDirectory then rimraf else fs.unlink
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removeFunction(keyPath, callback)
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