38 lines
966 B
JavaScript
38 lines
966 B
JavaScript
getJasmineRequireObj().clearStack = function(j$) {
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function messageChannelImpl(global) {
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var channel = new global.MessageChannel(),
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head = {},
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tail = head;
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channel.port1.onmessage = function() {
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head = head.next;
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var task = head.task;
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delete head.task;
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task();
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};
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return function clearStack(fn) {
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tail = tail.next = { task: fn };
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channel.port2.postMessage(0);
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};
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}
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function getClearStack(global) {
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if (j$.isFunction_(global.setImmediate)) {
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var realSetImmediate = global.setImmediate;
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return function(fn) {
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realSetImmediate(fn);
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};
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} else if (!j$.util.isUndefined(global.MessageChannel)) {
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return messageChannelImpl(global);
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} else {
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var realSetTimeout = global.setTimeout;
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return function clearStack(fn) {
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Function.prototype.apply.apply(realSetTimeout, [global, [fn, 0]]);
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};
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}
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}
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return getClearStack;
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};
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