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indexeddb: Implement openCursor and openKeyCursor for object store (#39080)

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Continue on implementing indexeddb's cursor.

This patch focuses on implementing the `openCursor` [1] and
`openKeyCursor` [2] methods of the `IDBObjectStore` interface, which
create and initialize cursors by running the iterate-a-cursor algorithm
[3].

It also adds struct `IndexedDBRecord` to
`components/shared/net/indexeddb_thread.rs`. This struct can later be
used to implement the new `IDBRecord` interface [4].

[1] https://www.w3.org/TR/IndexedDB-2/#dom-idbobjectstore-opencursor
[2] https://www.w3.org/TR/IndexedDB-2/#dom-idbobjectstore-openkeycursor
[3] https://www.w3.org/TR/IndexedDB-2/#iterate-a-cursor
[4] https://w3c.github.io/IndexedDB/#record-interface

Testing: Pass WPT tests that were expected to fail.
Fixes: Part of #38111

---------

Signed-off-by: Kingsley Yung <kingsley@kkoyung.dev>
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Kingsley Yung 2025-09-13 00:54:07 +08:00 • committed by GitHub
parent 1f63116bdd
commit 250c4cda00
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26 changed files with 580 additions and 279 deletions
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11
tests/wpt/meta/IndexedDB/nested-cloning-basic.any.js.ini vendored
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@ -2,19 +2,8 @@
expected: ERROR
[nested-cloning-basic.any.worker.html]
[small typed array]
expected: FAIL
[blob]
expected: FAIL
[nested-cloning-basic.any.serviceworker.html]
expected: ERROR
[nested-cloning-basic.any.html]
[small typed array]
expected: FAIL
[blob]
expected: FAIL