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Merge pull request #931 from lightpanda-io/element_getAttributeNames

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add element.getAttributeNames()
This commit is contained in:
Karl Seguin
2025-08-08 15:13:03 +08:00
committed by GitHub
parent 8e55082d4e 9dd02ec67d
commit fbd40a6514
1 changed files with 19 additions and 0 deletions
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19
src/browser/dom/element.zig
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@@ -290,6 +290,22 @@ pub const Element = struct {
return true; return true;
} }
pub fn _getAttributeNames(self: *parser.Element, page: *Page) ![]const []const u8 {
const attributes = try parser.nodeGetAttributes(@ptrCast(self)) orelse return &.{};
const ln = try parser.namedNodeMapGetLength(attributes);
const names = try page.call_arena.alloc([]const u8, ln);
var at: usize = 0;
for (0..ln) |i| {
const attribute = try parser.namedNodeMapItem(attributes, @intCast(i)) orelse break;
names[at] = try parser.attributeGetName(attribute);
at += 1;
}
return names[0..at];
}
pub fn _getAttributeNode(self: *parser.Element, name: []const u8) !?*parser.Attribute { pub fn _getAttributeNode(self: *parser.Element, name: []const u8) !?*parser.Attribute {
return try parser.elementGetAttributeNode(self, name); return try parser.elementGetAttributeNode(self, name);
} }
@@ -597,6 +613,7 @@ test "Browser.DOM.Element" {
.{ "let a = document.getElementById('content')", "undefined" }, .{ "let a = document.getElementById('content')", "undefined" },
.{ "a.hasAttributes()", "true" }, .{ "a.hasAttributes()", "true" },
.{ "a.attributes.length", "1" }, .{ "a.attributes.length", "1" },
.{ "a.getAttributeNames()", "id" },
.{ "a.getAttribute('id')", "content" }, .{ "a.getAttribute('id')", "content" },
.{ "a.attributes['id'].value", "content" }, .{ "a.attributes['id'].value", "content" },
.{ .{
@@ -615,6 +632,7 @@ test "Browser.DOM.Element" {
.{ "a.setAttribute('foo', 'bar')", "undefined" }, .{ "a.setAttribute('foo', 'bar')", "undefined" },
.{ "a.hasAttribute('foo')", "true" }, .{ "a.hasAttribute('foo')", "true" },
.{ "a.getAttribute('foo')", "bar" }, .{ "a.getAttribute('foo')", "bar" },
.{ "a.getAttributeNames()", "id,foo" },
.{ "a.setAttribute('foo', 'baz')", "undefined" }, .{ "a.setAttribute('foo', 'baz')", "undefined" },
.{ "a.hasAttribute('foo')", "true" }, .{ "a.hasAttribute('foo')", "true" },
@@ -807,6 +825,7 @@ test "Browser.DOM.Element" {
try runner.testCases(&.{ try runner.testCases(&.{
.{ "const rm = document.createElement('div')", null }, .{ "const rm = document.createElement('div')", null },
.{ "rm.getAttributeNames()", "" },
.{ "rm.id = 'to-remove'", null }, .{ "rm.id = 'to-remove'", null },
.{ "document.getElementsByTagName('body')[0].appendChild(rm)", null }, .{ "document.getElementsByTagName('body')[0].appendChild(rm)", null },
.{ "document.getElementById('to-remove') != null", "true" }, .{ "document.getElementById('to-remove') != null", "true" },