64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
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var scope = (typeof global !== "undefined" && global) ||
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(typeof self !== "undefined" && self) ||
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window;
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var apply = Function.prototype.apply;
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// DOM APIs, for completeness
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exports.setTimeout = function() {
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return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);
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};
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exports.setInterval = function() {
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return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);
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};
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exports.clearTimeout =
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exports.clearInterval = function(timeout) {
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if (timeout) {
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timeout.close();
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}
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};
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function Timeout(id, clearFn) {
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this._id = id;
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this._clearFn = clearFn;
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}
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Timeout.prototype.unref = Timeout.prototype.ref = function() {};
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Timeout.prototype.close = function() {
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this._clearFn.call(scope, this._id);
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};
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// Does not start the time, just sets up the members needed.
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exports.enroll = function(item, msecs) {
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clearTimeout(item._idleTimeoutId);
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item._idleTimeout = msecs;
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};
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exports.unenroll = function(item) {
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clearTimeout(item._idleTimeoutId);
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item._idleTimeout = -1;
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};
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exports._unrefActive = exports.active = function(item) {
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clearTimeout(item._idleTimeoutId);
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var msecs = item._idleTimeout;
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if (msecs >= 0) {
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item._idleTimeoutId = setTimeout(function onTimeout() {
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if (item._onTimeout)
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item._onTimeout();
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}, msecs);
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}
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};
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// setimmediate attaches itself to the global object
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require("setimmediate");
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// On some exotic environments, it's not clear which object `setimmediate` was
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// able to install onto. Search each possibility in the same order as the
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// `setimmediate` library.
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exports.setImmediate = (typeof self !== "undefined" && self.setImmediate) ||
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(typeof global !== "undefined" && global.setImmediate) ||
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(this && this.setImmediate);
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exports.clearImmediate = (typeof self !== "undefined" && self.clearImmediate) ||
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(typeof global !== "undefined" && global.clearImmediate) ||
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(this && this.clearImmediate);
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