| 1 | cson = require './lib/cson'
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| 2 | path = require 'path'
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| 3 | fs = require 'fs'
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| 4 |
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| 5 | stack = []
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| 6 | substitutes = []
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| 7 |
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| 8 | exports.use = (regexp, callback) ->
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| 9 | stack.push
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| 10 | regexp: regexp
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| 11 | handle: callback
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| 12 |
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| 13 |
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| 14 | exports.load = (configPath, exportToProcess = true) ->
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| 15 | unless configPath
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| 16 | configDir = path.dirname module.parent.filename
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| 17 | configPath = "#{configDir}/config.cson"
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| 18 | else
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| 19 | configDir = path.dirname configPath
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| 20 |
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| 21 | try
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| 22 | ef = "#{configDir}/.env"
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| 23 | items = fs.readFileSync(ef).toString().split "\n"
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| 24 | for item in items
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| 25 |
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| 26 | s = item.match /^([A-Z0-9_-]+)=(.+)/
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| 27 | continue unless s
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| 28 |
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| 29 |
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| 30 | env = s[2].match(/\$[A-Z0-9_-]+/g) || []
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| 31 | for key in env
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| 32 | if value = process.env[key.slice(1)]
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| 33 | s[2] = s[2].replace key, value
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| 34 |
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| 35 | process.env[s[1]] ?= s[2]
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| 36 | catch err
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| 37 |
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| 38 | c = cson.parseFileSync configPath, sandbox: global
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| 39 |
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| 40 | if stack.length > 0
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| 41 | mapRecursive c, (val) ->
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| 42 | for filter in stack
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| 43 | if filter.regexp.test val
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| 44 | substitute = filter.handle val
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| 45 | unless substitute in substitutes
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| 46 | substitutes.push substitute
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| 47 | return substitute
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| 48 | return val
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| 49 |
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| 50 | if c.stack?
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| 51 | console.log "Error in config file #{configPath}"
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| 52 | console.log c
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| 53 | process.exit 1
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| 54 |
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| 55 | process.config[key] = val for key, val of c if exportToProcess
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| 56 |
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| 57 | return c
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| 58 |
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| 59 |
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| 60 | mapRecursive = (obj, callback) ->
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| 61 | return unless typeof obj is "object"
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| 62 | for key of obj
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| 63 | if obj[key] in substitutes
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| 64 | continue
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| 65 | if typeof obj[key] is "object"
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| 66 | mapRecursive obj[key], callback
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| 67 | else
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| 68 | val = callback obj[key]
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| 69 | obj[key] = val if val
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