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refactor(root): a slightly more concise definition borrowed from Angular #2593

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merged 2 commits into from May 9, 2017
Merged

refactor(root): a slightly more concise definition borrowed from Angular #2593

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67a8354
refactor(root): a slightly more concise definition borrowed from Angular
benlesh May 5, 2017
a71fa02
refactor(root): throw error when root not found
benlesh May 9, 2017
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52 changes: 26 additions & 26 deletions src/util/root.ts
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@@ -1,29 +1,29 @@
declare let global: NodeJS.Global;

declare module NodeJS {
interface Global {
window: any;
global: any;
}
}
declare let global: any;

/**
* window: browser in DOM main thread
* self: browser in WebWorker
* global: Node.js/other
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
export let root: any;
if (typeof window == 'object' && window.window === window) {
root = window;
} else if (typeof self == 'object' && self.self === self) {
root = self;
} else if (typeof global == 'object' && global.global === global) {
root = global;
} else {
// Workaround Closure Compiler restriction: The body of a goog.module cannot use throw.
// This is needed when used with angular/tsickle which inserts a goog.module statement.
// Wrap in IIFE
(function () {
throw new Error('RxJS could not find any global context (window, self, global)');
})();
}

declare var WorkerGlobalScope: any;
// CommonJS / Node have global context exposed as "global" variable.
// We don't want to include the whole node.d.ts this this compilation unit so we'll just fake
// the global "global" var for now.

const __window = typeof window !== 'undefined' && window;
const __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&
self instanceof WorkerGlobalScope && self;
const __global = typeof global !== 'undefined' && global;
const _root: any = __window || __global || __self;

// Workaround Closure Compiler restriction: The body of a goog.module cannot use throw.
// This is needed when used with angular/tsickle which inserts a goog.module statement.
// Wrap in IIFE
(function () {
throw new Error('RxJS could not find any global context (window, self, global)');
})();

export { _root as root };