git ssb

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var Map = require('pull-stream/throughs/map')
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  // opts standardized to work like levelup api
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  function stdopts (opts) {
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    opts = opts || {}
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    opts.keys   = opts.keys   !== false //default keys to true
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    opts.values = opts.values !== false //default values to true
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    return opts
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  }
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  function msgFmt (keys, values, obj) {
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    if (keys && values)
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      return obj
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    if (keys)
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      return obj.key
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    if (values)
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      return obj.value
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    return null // i guess?
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  }
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exports.options = stdopts
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exports.format = msgFmt
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exports.lo = null
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exports.hi = undefined
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exports.formatStream = function (keys, values) {
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  return Map(function (data) {
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    if(data.sync) return data
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    return keys && values ? data.value : keys ? data.value.key : data.value.value
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  })
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}
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