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fix(closure): don't throw at top-level scope #2546

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merged 1 commit into from Apr 12, 2017
Merged

fix(closure): don't throw at top-level scope #2546

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22 changes: 14 additions & 8 deletions src/util/root.ts
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Expand Up @@ -12,12 +12,18 @@ declare module NodeJS {
* self: browser in WebWorker
* global: Node.js/other
*/
export const root: any = (
typeof window == 'object' && window.window === window && window
|| typeof self == 'object' && self.self === self && self
|| typeof global == 'object' && global.global === global && global
);

if (!root) {
throw new Error('RxJS could not find any global context (window, self, global)');
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)');
})();
}