let nextHandle = 1; | |
const tasksByHandle = {}; | |
function runIfPresent(handle) { | |
const cb = tasksByHandle[handle]; | |
if (cb) { | |
cb(); | |
} | |
} | |
export const Immediate = { | |
setImmediate(cb) { | |
const handle = nextHandle++; | |
tasksByHandle[handle] = cb; | |
Promise.resolve().then(() => runIfPresent(handle)); | |
return handle; | |
}, | |
clearImmediate(handle) { | |
delete tasksByHandle[handle]; | |
}, | |
}; | |
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