@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)

• bitbucket.org/mitchallen/demand.git
• github.com/mitchallen/demand.git

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