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Add support strikethrough and task lists in Markdown

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Adrià Arrufat
2026-02-16 20:55:51 +09:00
parent be4e6e5ba5
commit 9f13b14f6d
1 changed files with 64 additions and 0 deletions
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64
src/browser/markdown.zig
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@@ -141,6 +141,10 @@ fn renderElement(el: *Element, state: *State, writer: *std.Io.Writer, page: *Pag
try writer.writeAll("*");
state.last_char_was_newline = false;
},
.s, .del => {
try writer.writeAll("~~");
state.last_char_was_newline = false;
},
.hr => {
try writer.writeAll("---\n");
state.last_char_was_newline = true;
@@ -168,6 +172,19 @@ fn renderElement(el: *Element, state: *State, writer: *std.Io.Writer, page: *Pag
try writer.writeByte('[');
state.last_char_was_newline = false;
},
.input => {
if (el.getAttributeSafe(comptime .wrap("type"))) |t| {
if (std.mem.eql(u8, t, "checkbox")) {
if (el.hasAttributeSafe(comptime .wrap("checked"))) {
try writer.writeAll("[x] ");
} else {
try writer.writeAll("[ ] ");
}
state.last_char_was_newline = false;
}
}
return; // Void element
},
else => {},
}
@@ -209,6 +226,10 @@ fn renderElement(el: *Element, state: *State, writer: *std.Io.Writer, page: *Pag
try writer.writeAll("*");
state.last_char_was_newline = false;
},
.s, .del => {
try writer.writeAll("~~");
state.last_char_was_newline = false;
},
.blockquote => {
state.in_blockquote = false;
},
@@ -384,3 +405,46 @@ test "markdown: escaping" {
try testing.expectString("\n\\# Not a header\n", aw.written());
}
test "markdown: strikethrough" {
const testing = @import("../testing.zig");
const page = try testing.test_session.createPage();
defer testing.test_session.removePage();
const doc = page.window._document;
const div = try doc.createElement("div", null, page);
const s = try doc.createElement("s", null, page);
try s.asNode().setTextContent("deleted", page);
_ = try div.asNode().appendChild(s.asNode(), page);
var aw = std.Io.Writer.Allocating.init(testing.allocator);
defer aw.deinit();
try dump(div.asNode(), .{}, &aw.writer, page);
try testing.expectString("~~deleted~~\n", aw.written());
}
test "markdown: task list" {
const testing = @import("../testing.zig");
const page = try testing.test_session.createPage();
defer testing.test_session.removePage();
const doc = page.window._document;
const div = try doc.createElement("div", null, page);
const input1 = try doc.createElement("input", null, page);
try input1.setAttributeSafe(comptime .wrap("type"), .wrap("checkbox"), page);
try input1.setAttributeSafe(comptime .wrap("checked"), .wrap(""), page);
_ = try div.asNode().appendChild(input1.asNode(), page);
const input2 = try doc.createElement("input", null, page);
try input2.setAttributeSafe(comptime .wrap("type"), .wrap("checkbox"), page);
_ = try div.asNode().appendChild(input2.asNode(), page);
var aw = std.Io.Writer.Allocating.init(testing.allocator);
defer aw.deinit();
try dump(div.asNode(), .{}, &aw.writer, page);
try testing.expectString("[x] [ ] \n", aw.written());
}