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dom: add doc.prepend/append

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Pierre Tachoire
2024-01-15 15:45:23 +01:00
parent f8484e9f47
commit b33fc68898
1 changed files with 51 additions and 7 deletions
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58
src/dom/document.zig
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@@ -232,23 +232,61 @@ pub const Document = struct {
// TODO according with https://dom.spec.whatwg.org/#parentnode, the
// function must accept either node or string.
// blocked by https://github.com/lightpanda-io/jsruntime-lib/issues/114
pub fn _prepend(_: *parser.Document, _: ?Variadic(*parser.Node)) !void {
return parser.DOMError.HierarchyRequest;
pub fn _prepend(self: *parser.Document, nodes: ?Variadic(*parser.Node)) !void {
if (nodes == null) return;
if (nodes.?.slice.len == 0) return;
const nself = parser.documentToNode(self);
const first = try parser.nodeFirstChild(nself);
if (first == null) {
for (nodes.?.slice) |node| {
_ = try parser.nodeAppendChild(nself, node);
}
return;
}
for (nodes.?.slice) |node| {
_ = try parser.nodeInsertBefore(nself, node, first.?);
}
}
// TODO according with https://dom.spec.whatwg.org/#parentnode, the
// function must accept either node or string.
// blocked by https://github.com/lightpanda-io/jsruntime-lib/issues/114
pub fn _append(_: *parser.Document, _: ?Variadic(*parser.Node)) !void {
return parser.DOMError.HierarchyRequest;
pub fn _append(self: *parser.Document, nodes: ?Variadic(*parser.Node)) !void {
if (nodes == null) return;
if (nodes.?.slice.len == 0) return;
const nself = parser.documentToNode(self);
for (nodes.?.slice) |node| {
_ = try parser.nodeAppendChild(nself, node);
}
}
// TODO according with https://dom.spec.whatwg.org/#parentnode, the
// function must accept either node or string.
// blocked by https://github.com/lightpanda-io/jsruntime-lib/issues/114
pub fn _replaceChildren(_: *parser.Document, _: ?Variadic(*parser.Node)) !void {
// TODO implement function correctly
return parser.DOMError.HierarchyRequest;
pub fn _replaceChildren(self: *parser.Document, nodes: ?Variadic(*parser.Node)) !void {
if (nodes == null) return;
if (nodes.?.slice.len == 0) return;
const nself = parser.documentToNode(self);
// remove existing children
if (try parser.nodeHasChildNodes(nself)) {
const children = try parser.nodeGetChildNodes(nself);
const ln = try parser.nodeListLength(children);
var i: u32 = 0;
while (i < ln) {
defer i += 1;
const child = try parser.nodeListItem(children, i) orelse continue;
_ = try parser.nodeRemoveChild(nself, child);
}
}
// add new children
for (nodes.?.slice) |node| {
_ = try parser.nodeAppendChild(nself, node);
}
}
pub fn deinit(_: *parser.Document, _: std.mem.Allocator) void {}
@@ -404,6 +442,12 @@ pub fn testExecFn(
.{ .src = "nd.firstElementChild", .ex = "null" },
.{ .src = "nd.lastElementChild", .ex = "null" },
.{ .src = "nd.childElementCount", .ex = "0" },
.{ .src = "let emptydoc = document.createElement('html')", .ex = "undefined" },
.{ .src = "emptydoc.prepend(document.createElement('html'))", .ex = "undefined" },
.{ .src = "let emptydoc2 = document.createElement('html')", .ex = "undefined" },
.{ .src = "emptydoc2.append(document.createElement('html'))", .ex = "undefined" },
};
try checkCases(js_env, &parentNode);