git ssb

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var u = require('./util')
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function isFunction (f) {
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  return 'function' == typeof f
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}
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module.exports = function (generate) {
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  function create (filename, curve, legacy) {
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    var keys = generate(curve, legacy)
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    localStorage[filename] = JSON.stringify(keys)
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    return keys
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  }
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  function load (filename) {
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    return JSON.parse(localStorage[filename])
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  }
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  return {
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    createSync: create,
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    create: function(filename, curve, legacy, cb) {
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      if(isFunction(legacy))
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        cb = legacy, legacy = null
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      if(isFunction(curve))
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        cb = curve, curve = null
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      cb(null, create(filename, curve, legacy))
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    },
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    loadSync: load,
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    load: function (filename, cb) {
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      cb(null, load(filename))
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    }
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  }
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}
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