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#!/usr/bin/env node

/*

* Script to determine a compatible npm version range based on the current Node.js runtime.

*

* Older versions of Node (>=0.10.0 <= 0.12.x) require an updated npm client to handle scoped packages, but should not use npm versions `>=4.0.0`, as more recent npm versions drop explicit backward compatibility support.

*/

'use strict';

// VARIABLES //

var NODE_VERSION = process.versions.node;

// FUNCTIONS //

/**

* Returns a compatible npm version range based on the current Node.js runtime.

*

* @private

* @returns {string} npm version range

*/

function version() {

var major;

var parts;

parts = NODE_VERSION.split( '.' );

major = parseInt( parts[ 0 ], 10 );

if ( major <= 3 ) {

return '>2.7.0 <4.0.0';

}

return '>2.7.0';

} // end FUNCTION version()

// MAIN //

console.log( version() );