LimitParamWidget.js
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LimitParamWidget.js
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	const TextParamMixin = require( './TextParamMixin.js' );

	/**
	* A wrapper for OO.ui.TextInputWidget
	*
	* @class
	* @private
	* @constructor
	* @param {Object} config Configuration options
	*/
	function LimitParamWidget( config ) {
	LimitParamWidget.super.call( this, config );
	}

	OO.inheritClass( LimitParamWidget, OO.ui.TextInputWidget );
	OO.mixinClass( LimitParamWidget, TextParamMixin );

	/**
	* For a limit parameter, a value can either be "max" or a number
	* that is
	* - not NaN (not "Not-A-Number")
	* - finite
	* - not a decimal (identical to Math.floor with that number)
	* - at least the minimum set in paramInfo.min
	* - at most the maximum set in paramInfo.apiSandboxMax
	*
	* this.paramInfo should be set by the code using this widget, and
	* should have `min` and `apiSandboxMax` set as intergers
	*
	* @param {string} value
	* @return {boolean}
	*/
	LimitParamWidget.prototype.validate = function ( value ) {
	let n;
	if ( value === 'max' ) {
	return true;
	} else {
	n = +value;
	return !isNaN( n ) &&
	isFinite( n ) &&
	Math.floor( n ) === n &&
	n >= this.paramInfo.min &&
	n <= this.paramInfo.apiSandboxMax;
	}
	};

	module.exports = LimitParamWidget;