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Check for a couple of edge cases on the inspect hook.

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Don't treat sys.inspect special, same with prototype objects.
This commit is contained in:
Tim Caswell 2010-05-28 14:48:37 -07:00 committed by Ryan Dahl
parent 7f5320b167
commit b480184fd6
1 changed files with 6 additions and 1 deletions
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7
lib/sys.js
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@ -33,7 +33,12 @@ exports.inspect = function (obj, showHidden, depth) {
var seen = []; var seen = [];
function format(value, recurseTimes) { function format(value, recurseTimes) {
// Provide a hook for user-specified inspect functions. // Provide a hook for user-specified inspect functions.
if (value && typeof value.inspect === 'function') { // Check that value is an object with an inspect function on it
if (value && typeof value.inspect === 'function' &&
// Filter out the sys module, it's inspect function is special
value !== exports &&
// Also filter out any prototype objects using the circular check.
!(value.constructor && value.constructor.prototype === value)) {
return value.inspect(recurseTimes); return value.inspect(recurseTimes);
} }