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23 lines
1.0 KiB
23 lines
1.0 KiB
var has = require('./internals/has'); |
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var isArray = require('./internals/is-array'); |
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var isForced = require('./internals/is-forced'); |
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var shared = require('./internals/shared-store'); |
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var data = isForced.data; |
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var normalize = isForced.normalize; |
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var USE_FUNCTION_CONSTRUCTOR = 'USE_FUNCTION_CONSTRUCTOR'; |
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var ASYNC_ITERATOR_PROTOTYPE = 'AsyncIteratorPrototype'; |
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var setAggressivenessLevel = function (object, constant) { |
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if (isArray(object)) for (var i = 0; i < object.length; i++) data[normalize(object[i])] = constant; |
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}; |
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module.exports = function (options) { |
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if (typeof options == 'object') { |
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setAggressivenessLevel(options.useNative, isForced.NATIVE); |
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setAggressivenessLevel(options.usePolyfill, isForced.POLYFILL); |
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setAggressivenessLevel(options.useFeatureDetection, null); |
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if (has(options, USE_FUNCTION_CONSTRUCTOR)) shared[USE_FUNCTION_CONSTRUCTOR] = !!options[USE_FUNCTION_CONSTRUCTOR]; |
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if (has(options, ASYNC_ITERATOR_PROTOTYPE)) shared[USE_FUNCTION_CONSTRUCTOR] = options[ASYNC_ITERATOR_PROTOTYPE]; |
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} |
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};
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