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node_modules/next/dist/esm/lib/scheduler.js

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+/**
+ * Schedules a function to be called on the next tick after the other promises
+ * have been resolved.
+ *
+ * @param cb the function to schedule
+ */ export const scheduleOnNextTick = (cb)=>{
+    // We use Promise.resolve().then() here so that the operation is scheduled at
+    // the end of the promise job queue, we then add it to the next process tick
+    // to ensure it's evaluated afterwards.
+    //
+    // This was inspired by the implementation of the DataLoader interface: https://github.com/graphql/dataloader/blob/d336bd15282664e0be4b4a657cb796f09bafbc6b/src/index.js#L213-L255
+    //
+    Promise.resolve().then(()=>{
+        if (process.env.NEXT_RUNTIME === 'edge') {
+            setTimeout(cb, 0);
+        } else {
+            process.nextTick(cb);
+        }
+    });
+};
+/**
+ * Schedules a function to be called using `setImmediate` or `setTimeout` if
+ * `setImmediate` is not available (like in the Edge runtime).
+ *
+ * @param cb the function to schedule
+ */ export const scheduleImmediate = (cb)=>{
+    if (process.env.NEXT_RUNTIME === 'edge') {
+        setTimeout(cb, 0);
+    } else {
+        setImmediate(cb);
+    }
+};
+/**
+ * returns a promise than resolves in a future task. There is no guarantee that the task it resolves in
+ * will be the next task but if you await it you can at least be sure that the current task is over and
+ * most usefully that the entire microtask queue of the current task has been emptied.
+ */ export function atLeastOneTask() {
+    return new Promise((resolve)=>scheduleImmediate(resolve));
+}
+/**
+ * This utility function is extracted to make it easier to find places where we are doing
+ * specific timing tricks to try to schedule work after React has rendered. This is especially
+ * important at the moment because Next.js uses the edge builds of React which use setTimeout to
+ * schedule work when you might expect that something like setImmediate would do the trick.
+ *
+ * Long term we should switch to the node versions of React rendering when possible and then
+ * update this to use setImmediate rather than setTimeout
+ */ export function waitAtLeastOneReactRenderTask() {
+    if (process.env.NEXT_RUNTIME === 'edge') {
+        return new Promise((r)=>setTimeout(r, 0));
+    } else {
+        return new Promise((r)=>setImmediate(r));
+    }
+}
+
+//# sourceMappingURL=scheduler.js.map