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File size: 2,591 Bytes
979bf48 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | "use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
trackPendingChunkLoad: null,
trackPendingImport: null,
trackPendingModules: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
trackPendingChunkLoad: function() {
return trackPendingChunkLoad;
},
trackPendingImport: function() {
return trackPendingImport;
},
trackPendingModules: function() {
return trackPendingModules;
}
});
const _cachesignal = require("../cache-signal");
const _isthenable = require("../../../shared/lib/is-thenable");
/**
* Tracks all in-flight async imports and chunk loads.
* Initialized lazily, because we don't want this to error in case it gets pulled into an edge runtime module.
*/ let _moduleLoadingSignal;
function getModuleLoadingSignal() {
if (!_moduleLoadingSignal) {
_moduleLoadingSignal = new _cachesignal.CacheSignal();
}
return _moduleLoadingSignal;
}
function trackPendingChunkLoad(promise) {
const moduleLoadingSignal = getModuleLoadingSignal();
moduleLoadingSignal.trackRead(promise);
}
function trackPendingImport(exportsOrPromise) {
const moduleLoadingSignal = getModuleLoadingSignal();
// requiring an async module returns a promise.
// if it's sync, there's nothing to track.
if ((0, _isthenable.isThenable)(exportsOrPromise)) {
// A client reference proxy might look like a promise, but we can only call `.then()` on it, not e.g. `.finally()`.
// Turn it into a real promise to avoid issues elsewhere.
const promise = Promise.resolve(exportsOrPromise);
moduleLoadingSignal.trackRead(promise);
}
}
function trackPendingModules(cacheSignal) {
const moduleLoadingSignal = getModuleLoadingSignal();
// We can't just use `cacheSignal.trackRead(moduleLoadingSignal.cacheReady())`,
// because we might start and finish multiple batches of module loads while waiting for caches,
// and `moduleLoadingSignal.cacheReady()` would resolve after the first batch.
// Instead, we'll keep notifying `cacheSignal` of each import/chunk-load.
const unsubscribe = moduleLoadingSignal.subscribeToReads(cacheSignal);
// Later, when `cacheSignal` is no longer waiting for any caches (or imports that we've notified it of),
// we can unsubscribe it.
cacheSignal.cacheReady().then(unsubscribe);
}
//# sourceMappingURL=track-module-loading.instance.js.map |