next
Version:
The React Framework
138 lines (137 loc) • 6.27 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "AfterContext", {
enumerable: true,
get: function() {
return AfterContext;
}
});
const _pqueue = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/p-queue"));
const _invarianterror = require("../../shared/lib/invariant-error");
const _isthenable = require("../../shared/lib/is-thenable");
const _workasyncstorageexternal = require("../app-render/work-async-storage.external");
const _revalidationutils = require("./revalidation-utils");
const _asynclocalstorage = require("../app-render/async-local-storage");
const _workunitasyncstorageexternal = require("../app-render/work-unit-async-storage.external");
const _aftertaskasyncstorageexternal = require("../app-render/after-task-async-storage.external");
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
class AfterContext {
constructor({ waitUntil, onClose, onTaskError }){
this.workUnitStores = new Set();
this.waitUntil = waitUntil;
this.onClose = onClose;
this.onTaskError = onTaskError;
this.callbackQueue = new _pqueue.default();
this.callbackQueue.pause();
}
after(task) {
if ((0, _isthenable.isThenable)(task)) {
if (!this.waitUntil) {
errorWaitUntilNotAvailable();
}
this.waitUntil(task.catch((error)=>this.reportTaskError('promise', error)));
} else if (typeof task === 'function') {
// TODO(after): implement tracing
this.addCallback(task);
} else {
throw Object.defineProperty(new Error('`after()`: Argument must be a promise or a function'), "__NEXT_ERROR_CODE", {
value: "E50",
enumerable: false,
configurable: true
});
}
}
addCallback(callback) {
// if something is wrong, throw synchronously, bubbling up to the `after` callsite.
if (!this.waitUntil) {
errorWaitUntilNotAvailable();
}
const workUnitStore = _workunitasyncstorageexternal.workUnitAsyncStorage.getStore();
if (workUnitStore) {
this.workUnitStores.add(workUnitStore);
}
const afterTaskStore = _aftertaskasyncstorageexternal.afterTaskAsyncStorage.getStore();
// This is used for checking if request APIs can be called inside `after`.
// Note that we need to check the phase in which the *topmost* `after` was called (which should be "action"),
// not the current phase (which might be "after" if we're in a nested after).
// Otherwise, we might allow `after(() => headers())`, but not `after(() => after(() => headers()))`.
const rootTaskSpawnPhase = afterTaskStore ? afterTaskStore.rootTaskSpawnPhase // nested after
: workUnitStore == null ? void 0 : workUnitStore.phase // topmost after
;
// this should only happen once.
if (!this.runCallbacksOnClosePromise) {
this.runCallbacksOnClosePromise = this.runCallbacksOnClose();
this.waitUntil(this.runCallbacksOnClosePromise);
}
// Bind the callback to the current execution context (i.e. preserve all currently available ALS-es).
// We do this because we want all of these to be equivalent in every regard except timing:
// after(() => x())
// after(x())
// await x()
const wrappedCallback = (0, _asynclocalstorage.bindSnapshot)(async ()=>{
try {
await _aftertaskasyncstorageexternal.afterTaskAsyncStorage.run({
rootTaskSpawnPhase
}, ()=>callback());
} catch (error) {
this.reportTaskError('function', error);
}
});
this.callbackQueue.add(wrappedCallback);
}
async runCallbacksOnClose() {
await new Promise((resolve)=>this.onClose(resolve));
return this.runCallbacks();
}
async runCallbacks() {
if (this.callbackQueue.size === 0) return;
for (const workUnitStore of this.workUnitStores){
workUnitStore.phase = 'after';
}
const workStore = _workasyncstorageexternal.workAsyncStorage.getStore();
if (!workStore) {
throw Object.defineProperty(new _invarianterror.InvariantError('Missing workStore in AfterContext.runCallbacks'), "__NEXT_ERROR_CODE", {
value: "E547",
enumerable: false,
configurable: true
});
}
return (0, _revalidationutils.withExecuteRevalidates)(workStore, ()=>{
this.callbackQueue.start();
return this.callbackQueue.onIdle();
});
}
reportTaskError(taskKind, error) {
// TODO(after): this is fine for now, but will need better intergration with our error reporting.
// TODO(after): should we log this if we have a onTaskError callback?
console.error(taskKind === 'promise' ? `A promise passed to \`after()\` rejected:` : `An error occurred in a function passed to \`after()\`:`, error);
if (this.onTaskError) {
// this is very defensive, but we really don't want anything to blow up in an error handler
try {
this.onTaskError == null ? void 0 : this.onTaskError.call(this, error);
} catch (handlerError) {
console.error(Object.defineProperty(new _invarianterror.InvariantError('`onTaskError` threw while handling an error thrown from an `after` task', {
cause: handlerError
}), "__NEXT_ERROR_CODE", {
value: "E569",
enumerable: false,
configurable: true
}));
}
}
}
}
function errorWaitUntilNotAvailable() {
throw Object.defineProperty(new Error('`after()` will not work correctly, because `waitUntil` is not available in the current environment.'), "__NEXT_ERROR_CODE", {
value: "E91",
enumerable: false,
configurable: true
});
}
//# sourceMappingURL=after-context.js.map