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Add file persistence module :)

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Forrest 2015-01-14 20:30:04 -07:00
parent b7849b0683
commit 576b055add
1 changed files with 34 additions and 0 deletions
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34
lib/file.js Normal file
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var Gun = require('../gun');
var fs = require('fs');
Gun.on('opt').event(function(gun, opts){
var raw = fs.existsSync(opts.file || data.txt) ? fs.readFileSync(opts.file || 'data.txt').toString() : null ;
var all = Gun.obj.ify(raw || {nodes: {}, keys: {}});
gun.opt({hooks: {
load: function(key, cb, options){
if(Gun.obj.is(key) && key[Gun._.soul]){
return cb(null, all.nodes[key[Gun._.soul]]);
}
cb(null, all.nodes[all.keys[key]]);
}
,set: function(graph, cb){
all.nodes = gun.__.graph;
for(n in all.nodes){
for(k in all.nodes[n]){
if(all.nodes[n][k] === null){
delete all.nodes[n][k];
}
}
}
fs.writeFile(opts.file || 'data.txt', Gun.text.ify(all), cb);
}
,key: function(key, soul, cb){
all.keys[key] = soul;
fs.writeFile(opts.file || 'data.txt', Gun.text.ify(all), cb);
}
}}, true);
});