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f51a81f6d6
Differential Revision: https://phabricator.services.mozilla.com/D25790 --HG-- extra : moz-landing-system : lando
18 lines
307 B
JavaScript
18 lines
307 B
JavaScript
let ports = 0;
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self.onconnect = e => {
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++ports;
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e.ports[0].onmessage = event => {
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if (event.data === "count") {
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e.ports[0].postMessage(ports);
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return;
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}
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if (event.data === "close") {
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self.close();
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return;
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}
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// Error.
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e.ports[0].postMessage(-1);
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};
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};
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