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@@ -24,6 +24,11 @@ interface ModuleIndex {
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const ACTIVE = 2 as FiberState.ACTIVE
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const FAILED = 3 as FiberState.FAILED
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+/** Revisions and requests identify desired code; URLs only select its immutable delivery resource. */
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+function entryTargets(manifest: BootManifest): string {
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+ return JSON.stringify(manifest.modules.map(row => [row.id, row.rev, row.inject, row.external]))
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+}
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+
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/** Manages only entries created from the Host manifest; other Loader contributors retain ownership. */
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export class ClientEntries {
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/** Stable observable consumed by page diagnostics through the renderer's injected hook. */
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@@ -79,13 +84,15 @@ export class ClientEntries {
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}
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/**
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- * Validate and apply the latest full Host graph. A later snapshot prevents an older download from mounting.
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+ * Validate and apply the latest full Host graph. Changed targets cancel obsolete mounts; identical targets share pending loads.
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* @param graph - JSON-decoded graph received from the Host.
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* @returns after the queued reconciliation; per-package failures remain available in {@link state}.
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*/
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sync(graph: unknown): Promise<void> {
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- this.desired = parseBootManifest(graph)
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- const generation = ++this.generation
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+ const manifest = parseBootManifest(graph)
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+ if (entryTargets(manifest) !== entryTargets(this.desired)) this.generation++
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+ this.desired = manifest
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+ const generation = this.generation
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return this.enqueue(() => this.reconcile(generation))
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}
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Yichen Jiang