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common-errors - npm Package Compare versions

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0.4.7

@@ -12,3 +12,3 @@ var util = require('util');

};
exports.AlreadyInUseError = exports.AlreadyInUse = require('./lib/alreadyInUse');

@@ -65,3 +65,3 @@ exports.ArgumentError = exports.Argument = require('./lib/argument');

}
err = module.exports._prependCurrentStack(err);
err = module.exports.prependCurrentStack(err, 3);
}

@@ -75,5 +75,5 @@ if (err) {

module.exports._prependCurrentStack = function(err) {
// skip the first three lines, because they're just noise
var stackToPrepend = (new Error()).stack.split("\n").slice(3);
module.exports.prependCurrentStack = function(err, offset_) {
var linesToSkip = (typeof offset_ === 'undefined') ? 2 : offset_;
var stackToPrepend = (new Error()).stack.split("\n").slice(linesToSkip);
var mainStack = err.stack.split("\n");

@@ -80,0 +80,0 @@ var errTitle = mainStack.shift();

@@ -5,3 +5,3 @@ {

"description": "Common error classes and utility functions",
"version": "0.4.6",
"version": "0.4.7",
"repository": {

@@ -8,0 +8,0 @@ "type": "git",

@@ -45,2 +45,3 @@ common-errors

* [log](#log)
* [prependCurrentStack](#prependCurrentStack)
* [generateClass](#generateClass)

@@ -534,2 +535,23 @@

<a name="prependCurrentStack" />
### prependCurrentStack
Modifies an error's stack to include the current stack without logging it. Useful for logging errors received by a callback.
prependCurrentStack(err)
__Arguments__
* `err` - any error or error message received from a callback
```js
// Example
mysql.query('SELECT * `FROM` users', function(err, results){
if(err) {
return errors.prependCurrentStack(err); // caller has better idea of source of err
}
console.log(results);
});
```
<a name="generateClass" />

@@ -536,0 +558,0 @@ ### generateClass