53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
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/*
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* utils.js: Utility functions for the nconf module.
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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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async = require('async'),
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formats = require('./formats'),
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stores = require('./stores');
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var common = exports;
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//
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// ### function loadFiles (files)
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// #### @files {Object|Array} List of files (or settings object) to load.
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// #### @callback {function} Continuation to respond to when complete.
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// Loads all the data in the specified `files`.
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//
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common.loadFiles = function (files, callback) {
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if (!files) {
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return callback(null, {});
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}
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var options = Array.isArray(files) ? { files: files } : files,
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store = new stores.Memory();
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//
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// Set the default JSON format if not already
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// specified
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//
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options.format = options.format || formats.json;
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function loadFile (file, next) {
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fs.readFile(file, function (err, data) {
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if (err) {
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return next(err);
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}
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data = options.format.parse(data.toString());
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Object.keys(data).forEach(function (key) {
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store.merge(key, data[key]);
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});
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next();
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});
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}
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async.forEach(files, loadFile, function (err) {
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return err ? callback(err) : callback(null, store.store);
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});
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};
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