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Diffstat (limited to 'node_modules/immediate/lib/messageChannel.js')
| -rw-r--r-- | node_modules/immediate/lib/messageChannel.js | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/node_modules/immediate/lib/messageChannel.js b/node_modules/immediate/lib/messageChannel.js new file mode 100644 index 00000000..a6ce360b --- /dev/null +++ b/node_modules/immediate/lib/messageChannel.js @@ -0,0 +1,18 @@ +'use strict'; + +exports.test = function () { + if (global.setImmediate) { + // we can only get here in IE10 + // which doesn't handel postMessage well + return false; + } + return typeof global.MessageChannel !== 'undefined'; +}; + +exports.install = function (func) { + var channel = new global.MessageChannel(); + channel.port1.onmessage = func; + return function () { + channel.port2.postMessage(0); + }; +};
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