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MIT-licensed, client-side, JavaScript framework that makes building rich web applications easy.
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JavaScript
/**
* jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
* http://flesler.blogspot.com Licensed under BSD
* (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
*
* @projectDescription Advanced and extensible data dumping for Javascript.
* @version 1.0.0
* @author Ariel Flesler
* @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
*/
QUnit.jsDump = (function() {
function quote( str ) {
return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
}
function literal( o ) {
return o + "";
}
function join( pre, arr, post ) {
var s = jsDump.separator(),
base = jsDump.indent(),
inner = jsDump.indent(1);
if ( arr.join ) {
arr = arr.join( "," + s + inner );
}
if ( !arr ) {
return pre + post;
}
return [ pre, inner + arr, base + post ].join(s);
}
function array( arr, stack ) {
var i = arr.length, ret = new Array(i);
this.up();
while ( i-- ) {
ret[i] = this.parse( arr[i] , undefined , stack);
}
this.down();
return join( "[", ret, "]" );
}
var reName = /^function (\w+)/,
jsDump = {
// type is used mostly internally, you can fix a (custom)type in advance
parse: function( obj, type, stack ) {
stack = stack || [ ];
var inStack, res,
parser = this.parsers[ type || this.typeOf(obj) ];
type = typeof parser;
inStack = inArray( obj, stack );
if ( inStack !== -1 ) {
return "recursion(" + (inStack - stack.length) + ")";
}
if ( type === "function" ) {
stack.push( obj );
res = parser.call( this, obj, stack );
stack.pop();
return res;
}
return ( type === "string" ) ? parser : this.parsers.error;
},
typeOf: function( obj ) {
var type;
if ( obj === null ) {
type = "null";
} else if ( typeof obj === "undefined" ) {
type = "undefined";
} else if ( QUnit.is( "regexp", obj) ) {
type = "regexp";
} else if ( QUnit.is( "date", obj) ) {
type = "date";
} else if ( QUnit.is( "function", obj) ) {
type = "function";
} else if ( typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined" ) {
type = "window";
} else if ( obj.nodeType === 9 ) {
type = "document";
} else if ( obj.nodeType ) {
type = "node";
} else if (
// native arrays
toString.call( obj ) === "[object Array]" ||
// NodeList objects
( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
) {
type = "array";
} else if ( obj.constructor === Error.prototype.constructor ) {
type = "error";
} else {
type = typeof obj;
}
return type;
},
separator: function() {
return this.multiline ? this.HTML ? "<br />" : "\n" : this.HTML ? " " : " ";
},
// extra can be a number, shortcut for increasing-calling-decreasing
indent: function( extra ) {
if ( !this.multiline ) {
return "";
}
var chr = this.indentChar;
if ( this.HTML ) {
chr = chr.replace( /\t/g, " " ).replace( / /g, " " );
}
return new Array( this.depth + ( extra || 0 ) ).join(chr);
},
up: function( a ) {
this.depth += a || 1;
},
down: function( a ) {
this.depth -= a || 1;
},
setParser: function( name, parser ) {
this.parsers[name] = parser;
},
// The next 3 are exposed so you can use them
quote: quote,
literal: literal,
join: join,
//
depth: 1,
// This is the list of parsers, to modify them, use jsDump.setParser
parsers: {
window: "[Window]",
document: "[Document]",
error: function(error) {
return "Error(\"" + error.message + "\")";
},
unknown: "[Unknown]",
"null": "null",
"undefined": "undefined",
"function": function( fn ) {
var ret = "function",
// functions never have name in IE
name = "name" in fn ? fn.name : (reName.exec(fn) || [])[1];
if ( name ) {
ret += " " + name;
}
ret += "( ";
ret = [ ret, QUnit.jsDump.parse( fn, "functionArgs" ), "){" ].join( "" );
return join( ret, QUnit.jsDump.parse(fn,"functionCode" ), "}" );
},
array: array,
nodelist: array,
"arguments": array,
object: function( map, stack ) {
/*jshint forin:false */
var ret = [ ], keys, key, val, i;
QUnit.jsDump.up();
keys = [];
for ( key in map ) {
keys.push( key );
}
keys.sort();
for ( i = 0; i < keys.length; i++ ) {
key = keys[ i ];
val = map[ key ];
ret.push( QUnit.jsDump.parse( key, "key" ) + ": " + QUnit.jsDump.parse( val, undefined, stack ) );
}
QUnit.jsDump.down();
return join( "{", ret, "}" );
},
node: function( node ) {
var len, i, val,
open = QUnit.jsDump.HTML ? "<" : "<",
close = QUnit.jsDump.HTML ? ">" : ">",
tag = node.nodeName.toLowerCase(),
ret = open + tag,
attrs = node.attributes;
if ( attrs ) {
for ( i = 0, len = attrs.length; i < len; i++ ) {
val = attrs[i].nodeValue;
// IE6 includes all attributes in .attributes, even ones not explicitly set.
// Those have values like undefined, null, 0, false, "" or "inherit".
if ( val && val !== "inherit" ) {
ret += " " + attrs[i].nodeName + "=" + QUnit.jsDump.parse( val, "attribute" );
}
}
}
ret += close;
// Show content of TextNode or CDATASection
if ( node.nodeType === 3 || node.nodeType === 4 ) {
ret += node.nodeValue;
}
return ret + open + "/" + tag + close;
},
// function calls it internally, it's the arguments part of the function
functionArgs: function( fn ) {
var args,
l = fn.length;
if ( !l ) {
return "";
}
args = new Array(l);
while ( l-- ) {
// 97 is 'a'
args[l] = String.fromCharCode(97+l);
}
return " " + args.join( ", " ) + " ";
},
// object calls it internally, the key part of an item in a map
key: quote,
// function calls it internally, it's the content of the function
functionCode: "[code]",
// node calls it internally, it's an html attribute value
attribute: quote,
string: quote,
date: quote,
regexp: literal,
number: literal,
"boolean": literal
},
// if true, entities are escaped ( <, >, \t, space and \n )
HTML: false,
// indentation unit
indentChar: " ",
// if true, items in a collection, are separated by a \n, else just a space.
multiline: true
};
return jsDump;
}());