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support depth parameter for DOM.getDocument #900

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Merged
merged 2 commits into from
Jul 17, 2025
Merged

support depth parameter for DOM.getDocument #900

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f199816
support `depth` parameter for DOM.getDocument
karlseguin Jul 17, 2025
eef5f3f
support null params to CDP DOM.getDocument
karlseguin Jul 17, 2025
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8 changes: 4 additions & 4 deletions src/cdp/Node.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -565,13 +565,13 @@ test "cdp Node: Writer" {
.localName = "div",
.childNodeCount = 1,
.parentId = 3,
.children = &.{ .{
.children = &.{.{
.nodeId = 6,
.localName = "a",
.childNodeCount = 0,
.parentId = 5,
}}
}
} } }, json);
}},
} },
} }, json);
}
}
14 changes: 8 additions & 6 deletions src/cdp/domains/dom.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -60,17 +60,19 @@ pub fn processMessage(cmd: anytype) !void {

// https://chromedevtools.github.io/devtools-protocol/tot/DOM/#method-getDocument
fn getDocument(cmd: anytype) !void {
// const params = (try cmd.params(struct {
// depth: ?u32 = null,
// pierce: ?bool = null,
// })) orelse return error.InvalidParams;
const Params = struct {
// CDP documentation implies that 0 isn't valid, but it _does_ work in Chrome
depth: i32 = 3,
pierce: bool = false,
};
const params = try cmd.params(Params) orelse Params{};

const bc = cmd.browser_context orelse return error.BrowserContextNotLoaded;
const page = bc.session.currentPage() orelse return error.PageNotLoaded;
const doc = parser.documentHTMLToDocument(page.window.document);

const node = try bc.node_registry.register(parser.documentToNode(doc));
return cmd.sendResult(.{ .root = bc.nodeWriter(node, .{}) }, .{});
return cmd.sendResult(.{ .root = bc.nodeWriter(node, .{ .depth = params.depth }) }, .{});
}

// https://chromedevtools.github.io/devtools-protocol/tot/DOM/#method-performSearch
Expand Down Expand Up @@ -451,7 +453,7 @@ fn requestChildNodes(cmd: anytype) !void {

try cmd.sendEvent("DOM.setChildNodes", .{
.parentId = node.id,
.nodes = bc.nodeWriter(node, .{.depth = params.depth, .exclude_root = true}),
.nodes = bc.nodeWriter(node, .{ .depth = params.depth, .exclude_root = true }),
}, .{
.session_id = session_id,
});
Expand Down