var baseSlice = require( './baseSlice' );

/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = 'Expected a function';

/**
 * The base implementation of `_.delay` and `_.defer` which accepts an index
 * of where to slice the arguments to provide to `func`.
 *
 * @private
 * @param {Function} func The function to delay.
 * @param {number} wait The number of milliseconds to delay invocation.
 * @param {Object} args The `arguments` object to slice and provide to `func`.
 * @returns {number} Returns the timer id.
 */
function baseDelay( func, wait, args, fromIndex ) {
	if( typeof func != 'function' ) {
		throw new TypeError( FUNC_ERROR_TEXT );
	}
	return setTimeout( function() {
		func.apply( undefined, baseSlice( args, fromIndex ) );
	}, wait );
}

module.exports = baseDelay;
