Transparent Tank 

Read the API Documentation.

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npm install transparent-tank

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The following is an example of building a model and assigning values to its variables.

``javascript
import {Model, Relation, Variable, Value, Domain} from 'transparent-tank';

let model = new Model( 'CountryCodes' );

// Variable1: Country
let country = new Variable( 'Country' );
let countries = new Domain();
countries.createValue( 'Denmark' );
countries.createValue( 'United States' );
countries.createValue( 'United Kingdom' );
countries.createValue( 'Canada' );
country.setDomain( countries );
model.addVariable( country );

// Variable2: Country Code
let countryCode = new Variable( 'CountryCode' );
let codes = new Domain();
codes.createValue( '+45' );
codes.createValue( '+1' );
codes.createValue( '+44' );
countryCode.setDomain( codes );
model.addVariable( countryCode );

// Rule: Danish Phone Numbers begin with +45
let relation = new Relation( 'DanishPhone', 'Country', [ new Value( 'Denmark' ) ],
'CountryCode', [ new Value( '+45' ) ] );
model.addRelation( relation );

// Now, Start Configuring:
let configuration = new Configuration( model );
configuration.assign( 'Country', 'Denmark' );
configuration.solve();

let countryCode = configuration.getVariable( 'CountryCode' );

// assigned by the system because of the relation:
assert.isTrue( countryCode.getValue( '+45' ).isSystemAssigned() );
`

Instead of relations, you can use table rules:

`JavaScript
let table = new Table( 'CountryAndPhone' );

// Give the table some cols that it will recognize from variable names
table.setCols( 'Country', 'PhoneCountryCode' );

// Add rows where each row is a value from the variable Country or CountryCode
table.addRow( 'Denmark', '+45' );
table.addRow( 'United Kingdom', '+44' );
table.addRow( 'United States', '+1' );
table.addRow( 'Canada', '+1' );

model.addTable( table );
`

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To build this project:

npm install
npm run build

To run unit tests:

npm run test

Unit testing is performed with Mocha+Chai. To run a single test,
postfix it with .only. To exclude a test, postfix it with .skip`.

For example:

describe.only(function () {
// these tests will run
});