util/misval.js

/**
 * This module defines a single unique missing value indicator.
 * All invalid, absent, or user-indicated missing value is internally set to this value.
 *
 * @example
 * var misval = require('./framework/misval');
 * if ( a === misval ) {
 *   ...
 * }
 * @module client/misval
 */

// module.exports = -Number.MAX_VALUE;
module.exports = 'missing';