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Last change
on this file since 59329aa was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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Property mode
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100644
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File size:
474 bytes
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| 1 | const XHR = require("./polling");
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| 2 | const JSONP = require("./polling-jsonp");
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| 3 |
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| 4 | /**
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| 5 | * Export transports.
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| 6 | */
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| 7 |
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| 8 | module.exports = exports = {
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| 9 | polling: polling,
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| 10 | websocket: require("./websocket")
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| 11 | };
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| 12 |
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| 13 | /**
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| 14 | * Export upgrades map.
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| 15 | */
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| 16 |
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| 17 | exports.polling.upgradesTo = ["websocket"];
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| 18 |
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| 19 | /**
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| 20 | * Polling polymorphic constructor.
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| 21 | *
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| 22 | * @api private
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| 23 | */
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| 24 |
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| 25 | function polling(req) {
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| 26 | if ("string" === typeof req._query.j) {
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| 27 | return new JSONP(req);
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| 28 | } else {
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| 29 | return new XHR(req);
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| 30 | }
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| 31 | }
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