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dom: implement element.toggleAttribute

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This commit is contained in:
Pierre Tachoire
2023-12-01 16:25:52 +01:00
parent 98c4f506b7
commit acf737152c
1 changed files with 54 additions and 13 deletions
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67
src/dom/element.zig
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@@ -42,6 +42,36 @@ pub const Element = struct {
pub fn _hasAttribute(self: *parser.Element, qname: []const u8) !bool {
return try parser.elementHasAttribute(self, qname);
}
// https://dom.spec.whatwg.org/#dom-element-toggleattribute
pub fn _toggleAttribute(self: *parser.Element, qname: []const u8, force: ?bool) !bool {
const exists = try parser.elementHasAttribute(self, qname);
// If attribute is null, then:
if (!exists) {
// If force is not given or is true, create an attribute whose
// local name is qualifiedName, value is the empty string and node
// document is this’s node document, then append this attribute to
// this, and then return true.
if (force == null or force.?) {
try parser.elementSetAttribute(self, qname, "");
return true;
}
// Return false.
return false;
}
// Otherwise, if force is not given or is false, remove an attribute
// given qualifiedName and this, and then return false.
if (force == null or !force.?) {
try parser.elementRemoveAttribute(self, qname);
return false;
}
// Return true.
return true;
}
};
// Tests
@@ -53,23 +83,34 @@ pub fn testExecFn(
comptime _: []jsruntime.API,
) !void {
var attribute = [_]Case{
.{ .src = "let div = document.getElementById('content')", .ex = "undefined" },
.{ .src = "div.getAttribute('id')", .ex = "content" },
.{ .src = "let a = document.getElementById('content')", .ex = "undefined" },
.{ .src = "a.getAttribute('id')", .ex = "content" },
.{ .src = "div.hasAttribute('foo')", .ex = "false" },
.{ .src = "div.getAttribute('foo')", .ex = "null" },
.{ .src = "a.hasAttribute('foo')", .ex = "false" },
.{ .src = "a.getAttribute('foo')", .ex = "null" },
.{ .src = "div.setAttribute('foo', 'bar')", .ex = "undefined" },
.{ .src = "div.hasAttribute('foo')", .ex = "true" },
.{ .src = "div.getAttribute('foo')", .ex = "bar" },
.{ .src = "a.setAttribute('foo', 'bar')", .ex = "undefined" },
.{ .src = "a.hasAttribute('foo')", .ex = "true" },
.{ .src = "a.getAttribute('foo')", .ex = "bar" },
.{ .src = "div.setAttribute('foo', 'baz')", .ex = "undefined" },
.{ .src = "div.hasAttribute('foo')", .ex = "true" },
.{ .src = "div.getAttribute('foo')", .ex = "baz" },
.{ .src = "a.setAttribute('foo', 'baz')", .ex = "undefined" },
.{ .src = "a.hasAttribute('foo')", .ex = "true" },
.{ .src = "a.getAttribute('foo')", .ex = "baz" },
.{ .src = "div.removeAttribute('foo')", .ex = "undefined" },
.{ .src = "div.hasAttribute('foo')", .ex = "false" },
.{ .src = "div.getAttribute('foo')", .ex = "null" },
.{ .src = "a.removeAttribute('foo')", .ex = "undefined" },
.{ .src = "a.hasAttribute('foo')", .ex = "false" },
.{ .src = "a.getAttribute('foo')", .ex = "null" },
};
try checkCases(js_env, &attribute);
var toggleAttr = [_]Case{
.{ .src = "let b = document.getElementById('content')", .ex = "undefined" },
.{ .src = "b.toggleAttribute('foo')", .ex = "true" },
.{ .src = "b.hasAttribute('foo')", .ex = "true" },
.{ .src = "b.getAttribute('foo')", .ex = "" },
.{ .src = "b.toggleAttribute('foo')", .ex = "false" },
.{ .src = "b.hasAttribute('foo')", .ex = "false" },
};
try checkCases(js_env, &toggleAttr);
}