dump-debug.js revision c1463e30f48fb36d028c3ca3d1e7c9b96848a9c1
YUI.add('dump', function(Y) {
/**
* Returns a simple string representation of the object or array.
* Other types of objects will be returned unprocessed. Arrays
* are expected to be indexed. Use object notation for
* associative arrays.
*
* If included, the dump method is added to the YUI instance.
*
* @module dump
*/
var L = Y.Lang,
OBJ = '{...}',
FUN = 'f(){...}',
COMMA = ', ',
ARROW = ' => ',
/**
* Returns a simple string representation of the object or array.
* Other types of objects will be returned unprocessed. Arrays
* are expected to be indexed.
*
* @method dump
* @param {Object} o The object to dump.
* @param {Number} d How deep to recurse child objects, default 3.
* @return {String} the dump result.
* @for YUI
*/
dump = function(o, d) {
var i, len, s = [], type = L.type(o);
// Cast non-objects to string
// Skip dates because the std toString is what we want
// Skip HTMLElement-like objects because trying to dump
// an element will cause an unhandled exception in FF 2.x
if (!L.isObject(o)) {
return o + '';
} else if (type == 'date') {
return o;
} else if (o.nodeType && o.tagName) {
return o.tagName + '#' + o.id;
} else if (o.document && o.navigator) {
return 'window';
} else if (o.location && o.body) {
return 'document';
} else if (type == 'function') {
return FUN;
}
// dig into child objects the depth specifed. Default 3
d = (L.isNumber(d)) ? d : 3;
// arrays [1, 2, 3]
if (type == 'array') {
s.push('[');
for (i = 0, len = o.length; i < len; i = i + 1) {
if (L.isObject(o[i])) {
s.push((d > 0) ? L.dump(o[i], d - 1) : OBJ);
} else {
s.push(o[i]);
}
s.push(COMMA);
}
if (s.length > 1) {
s.pop();
}
s.push(']');
// regexp /foo/
} else if (type == 'regexp') {
s.push(o.toString());
// objects {k1 => v1, k2 => v2}
} else {
s.push('{');
for (i in o) {
if (o.hasOwnProperty(i)) {
try {
s.push(i + ARROW);
if (L.isObject(o[i])) {
s.push((d > 0) ? L.dump(o[i], d - 1) : OBJ);
} else {
s.push(o[i]);
}
s.push(COMMA);
} catch (e) {
s.push('Error: ' + e.message);
}
}
}
if (s.length > 1) {
s.pop();
}
s.push('}');
}
return s.join('');
};
Y.dump = dump;
L.dump = dump;
}, '@VERSION@' );