configurator.js•1.11 kB
'use strict';
var hasOwn = require('./internals/has-own-property');
var isArray = require('./internals/is-array');
var isForced = require('./internals/is-forced');
var shared = require('./internals/shared-store');
var data = isForced.data;
var normalize = isForced.normalize;
var USE_FUNCTION_CONSTRUCTOR = 'USE_FUNCTION_CONSTRUCTOR';
var ASYNC_ITERATOR_PROTOTYPE = 'AsyncIteratorPrototype';
var setAggressivenessLevel = function (object, constant) {
if (isArray(object)) for (var i = 0; i < object.length; i++) data[normalize(object[i])] = constant;
};
module.exports = function (options) {
if (typeof options == 'object') {
setAggressivenessLevel(options.useNative, isForced.NATIVE);
setAggressivenessLevel(options.usePolyfill, isForced.POLYFILL);
setAggressivenessLevel(options.useFeatureDetection, null);
if (hasOwn(options, USE_FUNCTION_CONSTRUCTOR)) {
shared[USE_FUNCTION_CONSTRUCTOR] = !!options[USE_FUNCTION_CONSTRUCTOR];
}
if (hasOwn(options, ASYNC_ITERATOR_PROTOTYPE)) {
shared[ASYNC_ITERATOR_PROTOTYPE] = options[ASYNC_ITERATOR_PROTOTYPE];
}
}
};