{"version":3,"sources":["../../src/lib/scheduler.ts"],"sourcesContent":["export type ScheduledFn<T = void> = () => T | PromiseLike<T>\nexport type SchedulerFn<T = void> = (cb: ScheduledFn<T>) => void\n\n/**\n * Schedules a function to be called on the next tick after the other promises\n * have been resolved.\n *\n * @param cb the function to schedule\n */\nexport const scheduleOnNextTick = (cb: ScheduledFn<void>) => {\n  // We use Promise.resolve().then() here so that the operation is scheduled at\n  // the end of the promise job queue, we then add it to the next process tick\n  // to ensure it's evaluated afterwards.\n  //\n  // This was inspired by the implementation of the DataLoader interface: https://github.com/graphql/dataloader/blob/d336bd15282664e0be4b4a657cb796f09bafbc6b/src/index.js#L213-L255\n  //\n  Promise.resolve().then(() => {\n    if (process.env.NEXT_RUNTIME === 'edge') {\n      setTimeout(cb, 0)\n    } else {\n      process.nextTick(cb)\n    }\n  })\n}\n\n/**\n * Schedules a function to be called using `setImmediate` or `setTimeout` if\n * `setImmediate` is not available (like in the Edge runtime).\n *\n * @param cb the function to schedule\n */\nexport const scheduleImmediate = (cb: ScheduledFn<void>): void => {\n  if (process.env.NEXT_RUNTIME === 'edge') {\n    setTimeout(cb, 0)\n  } else {\n    setImmediate(cb)\n  }\n}\n\n/**\n * returns a promise than resolves in a future task. There is no guarantee that the task it resolves in\n * will be the next task but if you await it you can at least be sure that the current task is over and\n * most usefully that the entire microtask queue of the current task has been emptied.\n */\nexport function atLeastOneTask() {\n  return new Promise<void>((resolve) => scheduleImmediate(resolve))\n}\n\n/**\n * This utility function is extracted to make it easier to find places where we are doing\n * specific timing tricks to try to schedule work after React has rendered. This is especially\n * important at the moment because Next.js uses the edge builds of React which use setTimeout to\n * schedule work when you might expect that something like setImmediate would do the trick.\n *\n * Long term we should switch to the node versions of React rendering when possible and then\n * update this to use setImmediate rather than setTimeout\n */\nexport function waitAtLeastOneReactRenderTask(): Promise<void> {\n  if (process.env.NEXT_RUNTIME === 'edge') {\n    return new Promise((r) => setTimeout(r, 0))\n  } else {\n    return new Promise((r) => setImmediate(r))\n  }\n}\n"],"names":["atLeastOneTask","scheduleImmediate","scheduleOnNextTick","waitAtLeastOneReactRenderTask","cb","Promise","resolve","then","process","env","NEXT_RUNTIME","setTimeout","nextTick","setImmediate","r"],"mappings":";;;;;;;;;;;;;;;;;IA4CgBA,cAAc;eAAdA;;IAbHC,iBAAiB;eAAjBA;;IAtBAC,kBAAkB;eAAlBA;;IAgDGC,6BAA6B;eAA7BA;;;AAhDT,MAAMD,qBAAqB,CAACE;IACjC,6EAA6E;IAC7E,4EAA4E;IAC5E,uCAAuC;IACvC,EAAE;IACF,kLAAkL;IAClL,EAAE;IACFC,QAAQC,OAAO,GAAGC,IAAI,CAAC;QACrB,IAAIC,QAAQC,GAAG,CAACC,YAAY,KAAK,QAAQ;YACvCC,WAAWP,IAAI;QACjB,OAAO;YACLI,QAAQI,QAAQ,CAACR;QACnB;IACF;AACF;AAQO,MAAMH,oBAAoB,CAACG;IAChC,IAAII,QAAQC,GAAG,CAACC,YAAY,KAAK,QAAQ;QACvCC,WAAWP,IAAI;IACjB,OAAO;QACLS,aAAaT;IACf;AACF;AAOO,SAASJ;IACd,OAAO,IAAIK,QAAc,CAACC,UAAYL,kBAAkBK;AAC1D;AAWO,SAASH;IACd,IAAIK,QAAQC,GAAG,CAACC,YAAY,KAAK,QAAQ;QACvC,OAAO,IAAIL,QAAQ,CAACS,IAAMH,WAAWG,GAAG;IAC1C,OAAO;QACL,OAAO,IAAIT,QAAQ,CAACS,IAAMD,aAAaC;IACzC;AACF","ignoreList":[0]}