git ssb

1
2
  // opts standardized to work like levelup api
3
  function stdopts (opts) {
4
    opts = opts || {}
5
    opts.keys   = opts.keys   !== false //default keys to true
6
    opts.values = opts.values !== false //default values to true
7
    return opts
8
  }
9
10
  function msgFmt (keys, values, obj) {
11
    if (keys && values)
12
      return obj
13
    if (keys)
14
      return obj.key
15
    if (values)
16
      return obj.value
17
    return null // i guess?
18
  }
19
20
exports.options = stdopts
21
exports.format = msgFmt
22
23
exports.lo = null
24
exports.hi = undefined
25
26
exports.await = function () {
27
  var waiting = [], value
28
  return {
29
    get: function () { return value },
30
    set: function (_value) {
31
      value = _value
32
      while(waiting.length)
33
        waiting.shift()(null, value)
34
    },
35
    await: function (cb) {
36
      if(value !== undefined) cb(null, value)
37
      else waiting.push(cb)
38
    }
39
  }
40
}
41
42
43
44