forked from zhurui/management
79 lines
2.0 KiB
JavaScript
79 lines
2.0 KiB
JavaScript
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/**
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* Debugging support for web applications.
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*
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* @author David I. Lehn <dlehn@digitalbazaar.com>
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*
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* Copyright 2008-2013 Digital Bazaar, Inc.
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*/
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var forge = require('./forge');
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/* DEBUG API */
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module.exports = forge.debug = forge.debug || {};
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// Private storage for debugging.
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// Useful to expose data that is otherwise unviewable behind closures.
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// NOTE: remember that this can hold references to data and cause leaks!
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// format is "forge._debug.<modulename>.<dataname> = data"
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// Example:
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// (function() {
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// var cat = 'forge.test.Test'; // debugging category
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// var sState = {...}; // local state
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// forge.debug.set(cat, 'sState', sState);
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// })();
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forge.debug.storage = {};
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/**
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* Gets debug data. Omit name for all cat data Omit name and cat for
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* all data.
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*
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* @param cat name of debugging category.
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* @param name name of data to get (optional).
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* @return object with requested debug data or undefined.
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*/
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forge.debug.get = function(cat, name) {
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var rval;
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if(typeof(cat) === 'undefined') {
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rval = forge.debug.storage;
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} else if(cat in forge.debug.storage) {
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if(typeof(name) === 'undefined') {
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rval = forge.debug.storage[cat];
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} else {
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rval = forge.debug.storage[cat][name];
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}
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}
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return rval;
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};
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/**
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* Sets debug data.
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*
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* @param cat name of debugging category.
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* @param name name of data to set.
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* @param data data to set.
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*/
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forge.debug.set = function(cat, name, data) {
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if(!(cat in forge.debug.storage)) {
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forge.debug.storage[cat] = {};
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}
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forge.debug.storage[cat][name] = data;
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};
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/**
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* Clears debug data. Omit name for all cat data. Omit name and cat for
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* all data.
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*
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* @param cat name of debugging category.
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* @param name name of data to clear or omit to clear entire category.
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*/
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forge.debug.clear = function(cat, name) {
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if(typeof(cat) === 'undefined') {
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forge.debug.storage = {};
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} else if(cat in forge.debug.storage) {
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if(typeof(name) === 'undefined') {
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delete forge.debug.storage[cat];
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} else {
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delete forge.debug.storage[cat][name];
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}
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}
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};
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