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angular__angular/adev/shared-docs
Kam e44904ddda fix(docs-infra): keep the collapsed code state when a code block is reshown
The code block lives inside `@if (showCode())`, so hiding it destroys the DOM and
showing it builds a fresh copy with no hidden lines. Nothing reapplied
`setCodeLinesVisibility()`, so a collapsed block came back showing the whole file.

Reapply it once the block is rendered again. It already branches on `expanded()`,
so a block that was expanded stays expanded.

(cherry picked from commit 90b9e081f5)
2026-09-02 14:32:22 -07:00
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