mirror of
https://github.com/balena-io/balena-cli.git
synced 2025-03-11 23:14:09 +00:00
57 lines
1.3 KiB
CoffeeScript
57 lines
1.3 KiB
CoffeeScript
_ = require('lodash')
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async = require('async')
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path = require('path')
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fs = require('fs')
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resin = require('../resin')
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exports.use = (plugin) ->
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if not _.isFunction(plugin)
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throw new Error('Plugin should be a function')
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plugin.call(null, resin)
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exports.loadPackage = (pluginPath, callback) ->
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pluginPackageJSON = path.join(pluginPath, 'package.json')
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async.waterfall [
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(callback) ->
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fs.exists pluginPackageJSON, (exists) ->
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error = new Error("#{pluginPackageJSON} doesn't exist")
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return callback(if not exists then error)
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(callback) ->
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fs.stat(pluginPackageJSON, callback)
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(stats, callback) ->
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error = new Error("#{pluginPackageJSON} is not a file")
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return callback(if not stats.isFile() then error)
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(callback) ->
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try
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packageJSON = require(pluginPackageJSON)
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catch error
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return callback(error)
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if not _.isObject(packageJSON)
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error = new Error('package.json is not a valid JSON file')
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return callback(error)
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if not packageJSON.main?
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error = new Error('package.json is missing main')
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return callback(error)
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mainFilePath = path.join(pluginPath, packageJSON.main)
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try
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mainFile = require(mainFilePath)
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catch error
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return callback(error)
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if not _.isFunction(mainFile)
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return callback(new Error('Entry point should be a function'))
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return callback(null, mainFile)
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], callback
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