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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - WebAssembly: implement the IndexDB caching API"
href="https://bugs.webkit.org/show_bug.cgi?id=166481">166481</a>
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<th>Summary</th>
<td>WebAssembly: implement the IndexDB caching API
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>JavaScriptCore
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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</tr>
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<th>Reporter</th>
<td>jfbastien@apple.com
</td>
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<th>CC</th>
<td>jfbastien@apple.com, keith_miller@apple.com, sbarati@apple.com
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<th>Blocks</th>
<td>161709
</td>
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<div>
<pre>As described here: <a href="https://github.com/WebAssembly/design/blob/master/JS.md#structured-clone-of-a-webassemblymodule">https://github.com/WebAssembly/design/blob/master/JS.md#structured-clone-of-a-webassemblymodule</a>
<span class="quote">> Structured Clone of a WebAssembly.Module</span >
>
<span class="quote">> A WebAssembly.Module is a cloneable object† which means it can be cloned between windows/workers and also stored/retrieved into/from an IDBObjectStore‡. The semantics of a structured clone is as-if the binary source, from which the WebAssembly.Module was compiled, were cloned and recompiled into the target realm. Engines should attempt to share/reuse internal compiled code when performing a structured clone although, in corner cases like CPU upgrade or browser update, this may not be possible and full recompilation may be necessary.</span >
>
<span class="quote">> Given the above engine optimizations, structured cloning provides developers explicit control over both compiled-code caching and cross-window/worker code sharing.</span >
─
† <a href="https://html.spec.whatwg.org/multipage/infrastructure.html#cloneable-objects">https://html.spec.whatwg.org/multipage/infrastructure.html#cloneable-objects</a>
‡ <a href="https://w3c.github.io/IndexedDB/#object-store">https://w3c.github.io/IndexedDB/#object-store</a></pre>
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