18 lines
414 B
JavaScript
18 lines
414 B
JavaScript
'use strict';
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exports.test = function () {
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if (global.setImmediate) {
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// we can only get here in IE10
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// which doesn't handel postMessage well
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return false;
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}
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return typeof global.MessageChannel !== 'undefined';
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};
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exports.install = function (func) {
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var channel = new global.MessageChannel();
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channel.port1.onmessage = func;
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return function () {
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channel.port2.postMessage(0);
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};
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}; |