is-forced.js
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is-forced.js
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	var fails = require('../internals/fails');
	var isCallable = require('../internals/is-callable');

	var replacement = /#\|\.prototype\./;

	var isForced = function (feature, detection) {
	var value = data[normalize(feature)];
	return value == POLYFILL ? true
	: value == NATIVE ? false
	: isCallable(detection) ? fails(detection)
	: !!detection;
	};

	var normalize = isForced.normalize = function (string) {
	return String(string).replace(replacement, '.').toLowerCase();
	};

	var data = isForced.data = {};
	var NATIVE = isForced.NATIVE = 'N';
	var POLYFILL = isForced.POLYFILL = 'P';

	module.exports = isForced;