@mitchallen/demand
A module to throw errors if conditions aren't met.
Installation
You must use npm 2.7.0 or higher because of the scoped package name.
$ npm init
$ npm install @mitchallen/demand --save
Usage
var demand = require('@mitchallen/demand');
database.connect(uri, function(err,db) {
demand.notError(err);
demand.notNull(db,"ERROR: db is null");
});
Methods
notNull(object, message)
Will throw an error containing the message parameter if the object parameter is null;
notError(err)
Will throw an error if the err object is not null. The error will use the string from err.message.
Testing
To test, go to the root folder and type (sans $):
$ npm test
Repo(s)
Contributing
In lieu of a formal style guide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code.
Version History
Version 0.1.3 release notes
- notNull now distinguishes between null and zero
Version 0.1.2 release notes
- Added pushTo to Gruntfile
Version 0.1.1 release notes
- Fixed type-o in README example
Version 0.1.0 release notes
- Initial release