38 lines
897 B
JavaScript
38 lines
897 B
JavaScript
/**
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* Copyright (c) 2014, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* https://raw.github.com/facebook/regenerator/master/LICENSE file. An
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* additional grant of patent rights can be found in the PATENTS file in
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* the same directory.
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*/
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var b = require("ast-types").builders;
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var hasOwn = Object.prototype.hasOwnProperty;
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exports.defaults = function(obj) {
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var len = arguments.length;
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var extension;
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for (var i = 1; i < len; ++i) {
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if ((extension = arguments[i])) {
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for (var key in extension) {
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if (hasOwn.call(extension, key) && !hasOwn.call(obj, key)) {
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obj[key] = extension[key];
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}
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}
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}
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}
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return obj;
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};
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exports.runtimeProperty = function(name) {
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return b.memberExpression(
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b.identifier("regeneratorRuntime"),
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b.identifier(name),
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false
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);
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};
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