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verdaccio/lib/drivers/fs.js
2013-06-01 02:57:28 +04:00

55 lines
1.1 KiB
JavaScript

var fs = require('fs');
var Path = require('path');
function make_directories(dest, cb) {
var dir = Path.dirname(dest);
if (dir === '.' || dir === '..') return cb();
fs.mkdir(dir, function(err) {
if (err && err.code === 'ENOENT') {
make_directories(dir, function() {
fs.mkdir(dir, cb);
})
} else {
cb();
}
});
}
function write_file(dest, data, cb) {
var safe_write = function(cb) {
fs.writeFile(dest, data, cb);
}
safe_write(function(err) {
if (err && err.code === 'ENOENT') {
make_directories(dest, function() {
safe_write(cb);
})
} else {
cb(err);
}
});
}
function create(name, contents, callback) {
fs.exists(name, function(exists) {
if (exists) return callback(new Error({code: 'EEXISTS'}));
write_file(name, contents, callback);
});
}
function update(name, contents, callback) {
fs.exists(name, function(exists) {
if (!exists) return callback(new Error({code: 'ENOENT'}));
write_file(name, contents, callback);
});
}
function read(name, callback) {
fs.readFile(name, callback);
}
module.exports.read = read;
module.exports.create = create;
module.exports.update = update;