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102 lines
2.5 KiB
102 lines
2.5 KiB
const util = require('util') |
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, AbstractLevelDOWN = require('abstract-leveldown').AbstractLevelDOWN |
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, binding = require('bindings')('leveldown').leveldown |
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, ChainedBatch = require('./chained-batch') |
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, Iterator = require('./iterator') |
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function LevelDOWN (location) { |
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if (!(this instanceof LevelDOWN)) |
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return new LevelDOWN(location) |
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AbstractLevelDOWN.call(this, location) |
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this.binding = binding(location) |
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} |
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util.inherits(LevelDOWN, AbstractLevelDOWN) |
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LevelDOWN.prototype._open = function (options, callback) { |
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this.binding.open(options, callback) |
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} |
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LevelDOWN.prototype._close = function (callback) { |
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this.binding.close(callback) |
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} |
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LevelDOWN.prototype._put = function (key, value, options, callback) { |
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this.binding.put(key, value, options, callback) |
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} |
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LevelDOWN.prototype._get = function (key, options, callback) { |
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this.binding.get(key, options, callback) |
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} |
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LevelDOWN.prototype._del = function (key, options, callback) { |
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this.binding.del(key, options, callback) |
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} |
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LevelDOWN.prototype._chainedBatch = function () { |
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return new ChainedBatch(this) |
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} |
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LevelDOWN.prototype._batch = function (operations, options, callback) { |
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return this.binding.batch(operations, options, callback) |
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} |
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LevelDOWN.prototype._approximateSize = function (start, end, callback) { |
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this.binding.approximateSize(start, end, callback) |
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} |
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LevelDOWN.prototype.getProperty = function (property) { |
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if (typeof property != 'string') |
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throw new Error('getProperty() requires a valid `property` argument') |
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return this.binding.getProperty(property) |
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} |
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LevelDOWN.prototype._iterator = function (options) { |
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return new Iterator(this, options) |
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} |
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LevelDOWN.destroy = function (location, callback) { |
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if (arguments.length < 2) |
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throw new Error('destroy() requires `location` and `callback` arguments') |
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if (typeof location != 'string') |
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throw new Error('destroy() requires a location string argument') |
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if (typeof callback != 'function') |
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throw new Error('destroy() requires a callback function argument') |
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binding.destroy(location, callback) |
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} |
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LevelDOWN.repair = function (location, callback) { |
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if (arguments.length < 2) |
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throw new Error('repair() requires `location` and `callback` arguments') |
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if (typeof location != 'string') |
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throw new Error('repair() requires a location string argument') |
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if (typeof callback != 'function') |
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throw new Error('repair() requires a callback function argument') |
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binding.repair(location, callback) |
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} |
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module.exports = LevelDOWN
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