Dependently - Contextual Customizer Controls

/**
 * Helper showControlIfhasValues()
 */
function showControlIfhasValues( setting, ExpectedValues  ) {

    return function( control ) {

    	//	Check the current value in the array of ExpectedValues
        var isDisplayed = function() {
            return $.inArray( setting.get(), ExpectedValues ) !== -1;
        };

        var setActiveState = function() {
            control.active.set( isDisplayed() );
        };

        control.active.validate = isDisplayed;
        setActiveState();
        setting.bind( setActiveState );
    };
}

/**
 * Test Control Dependency
 */
wp.customize( 'select-control-1', function( setting ) {

    //  Show control 'text-control-1' if control 'select-control-1' value has 'one' or 'two'
	wp.customize.control( 'text-control-1', showControlIfhasValues( setting, ['one','two']) );
	
    //  Show control 'text-control-2' if control 'select-control-1' value has 'one'.
    wp.customize.control( 'text-control-2', showControlIfhasValues( setting, ['one']) );

    //  Show control 'text-control-2' if control 'select-control-1' value has 'one'.
    wp.customize.control( 'text-control-4', showControlIfhasValues( setting, ['one']) );

    //  Show control 'text-control-2' if control 'select-control-1' value has 'one' or 'three'.
    wp.customize.control( 'text-control-3', showControlIfhasValues( setting, ['one', 'three']) );
} );

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god bless you!