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21 lines
571 B
21 lines
571 B
5 years ago
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"use strict";
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var nut = require('./nut')
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var shell = require('./shell') //the shell surrounds the nut
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var precodec = require('./codec')
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var codec = require('levelup/lib/codec')
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var merge = require('xtend')
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var ReadStream = require('levelup/lib/read-stream')
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var sublevel = function (db, opts) {
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opts = merge(db.options, opts)
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return shell ( nut ( db, precodec, codec ), [], ReadStream, opts)
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}
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module.exports = function (db, opts) {
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if (typeof db.sublevel === 'function' && typeof db.clone === 'function') return db.clone(opts)
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return sublevel(db, opts)
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}
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