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2 years ago
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;