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dom: implement innerText #316

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merged 1 commit into from
Nov 28, 2024
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dom: implement innerText #316

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28 changes: 28 additions & 0 deletions src/html/elements.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ const checkCases = jsruntime.test_utils.checkCases;

const Element = @import("../dom/element.zig").Element;
const URL = @import("../url/url.zig").URL;
const Node = @import("../dom/node.zig").Node;

// HTMLElement interfaces
pub const Interfaces = .{
Expand Down Expand Up @@ -117,6 +118,25 @@ pub const HTMLElement = struct {
pub fn get_style(_: *parser.ElementHTML) CSSProperties {
return .{};
}

pub fn get_innerText(e: *parser.ElementHTML) ![]const u8 {
const n = @as(*parser.Node, @ptrCast(e));
return try parser.nodeTextContent(n) orelse "";
}

pub fn set_innerText(e: *parser.ElementHTML, s: []const u8) !void {
const n = @as(*parser.Node, @ptrCast(e));

// create text node.
const doc = try parser.nodeOwnerDocument(n) orelse return error.NoDocument;
const t = try parser.documentCreateTextNode(doc, s);

// remove existing children.
try Node.removeChildren(n);

// attach the text node.
_ = try parser.nodeAppendChild(n, @as(*parser.Node, @ptrCast(t)));
}
};

// Deprecated HTMLElements in Chrome (2023/03/15)
Expand Down Expand Up @@ -1068,4 +1088,12 @@ pub fn testExecFn(
.{ .src = "script.async", .ex = "false" },
};
try checkCases(js_env, &script);

var innertext = [_]Case{
.{ .src = "const backup = document.getElementById('content')", .ex = "undefined" },
.{ .src = "document.getElementById('content').innerText = 'foo';", .ex = "foo" },
.{ .src = "document.getElementById('content').innerText", .ex = "foo" },
.{ .src = "document.getElementById('content').innerHTML = backup; true;", .ex = "true" },
};
try checkCases(js_env, &innertext);
}