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browser: improve ldb.

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This commit is contained in:
Christopher Jeffrey 2016-08-22 19:08:29 -07:00
parent 2472054862
commit c7ab83993c
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GPG Key ID: 8962AB9DE6666BBD
1 changed files with 18 additions and 7 deletions
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25
browser/ldb.js
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@ -1,12 +1,12 @@
var level = require('level-js');
var Level = require('level-js');
function DB(location) {
this.level = new level(location);
this.level = new Level(location);
this.bufferKeys = false;
}
DB.prototype.open = function open(options, callback) {
this.bufferKeys = options.bufferKeys;
this.bufferKeys = options.bufferKeys === true;
this.level.open(options, callback);
};
@ -33,9 +33,20 @@ DB.prototype.del = function del(key, options, callback) {
};
DB.prototype.batch = function batch(ops, options, callback) {
var i, op;
if (!ops)
return new Batch(this);
return this.level.batch(ops, options, callback);
if (this.bufferKeys) {
for (i = 0; i < ops.length; i++) {
op = ops[i];
if (Buffer.isBuffer(op.key))
op.key = op.key.toString('hex');
}
}
this.level.batch(ops, options, callback);
};
DB.prototype.iterator = function iterator(options) {
@ -104,15 +115,15 @@ Iterator.prototype.next = function(callback) {
return;
}
if (key === undefined) {
if (key === undefined && value === undefined) {
callback(err, key, value);
return;
}
if (self.db.bufferKeys)
if (key && self.db.bufferKeys)
key = new Buffer(key, 'hex');
if (!Buffer.isBuffer(value))
if (value && !Buffer.isBuffer(value) && value.buffer)
value = new Buffer(value.buffer);
callback(err, key, value);