41 lines
901 B
JavaScript
41 lines
901 B
JavaScript
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/*
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* file.js: Simple file storage engine for nconf files
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*
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* (C) 2011, Charlie Robbins
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*
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*/
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var fs = require('fs'),
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util = require('util'),
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Memory = require('./memory').Memory;
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var File = exports.File = function (options) {
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if (!options.file) {
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throw new Error ('Missing required option `files`');
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}
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nconf.stores.Memory.call(this, options);
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this.file = options.file;
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this.format = options.format || JSON;
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};
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util.inherits(File, Memory);
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File.prototype.save = function (callback) {
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fs.save(this.file, this.format.stringify(this.store), function (err) {
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return err ? callback(err) : callback();
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});
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};
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File.prototype.load = function (callback) {
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var self = this;
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fs.load(this.file, function (err, data) {
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if (err) {
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return callback(err);
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}
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self.store = self.format.parse(data.toString());
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callback(null, self.store);
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});
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};
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