Add sendEvent utility function

Signed-off-by: Francis Bouvier <francis@lightpanda.io>

src/cdp/runtime.zig

@@ -31,12 +31,68 @@ fn enable(
     alloc: std.mem.Allocator,
     id: u64,
     scanner: *std.json.Scanner,
-    _: *Ctx,
+    ctx: *Ctx,
 ) ![]const u8 {
+    _ = ctx;
+
+    // input
     const sessionID = try cdp.getSessionID(scanner);
+
+    // output
+    // const uniqueID = "1367118932354479079.-1471398151593995849";
+    // const mainCtx = try executionContextCreated(
+    //     alloc,
+    //     1,
+    //     cdp.URLBase,
+    //     "",
+    //     uniqueID,
+    //     .{},
+    //     sessionID,
+    // );
+    // std.log.debug("res {s}", .{mainCtx});
+    // try server.sendAsync(ctx, mainCtx);
+
     return result(alloc, id, null, null, sessionID);
 }
 
+const AuxData = struct {
+    isDefault: bool = true,
+    type: []const u8 = "default",
+    frameId: []const u8 = cdp.FrameID,
+};
+
+const ExecutionContextDescription = struct {
+    id: u64,
+    origin: []const u8,
+    name: []const u8,
+    uniqueId: []const u8,
+    auxData: ?AuxData = null,
+};
+
+fn executionContextCreated(
+    alloc: std.mem.Allocator,
+    id: u64,
+    origin: []const u8,
+    name: []const u8,
+    uniqueID: []const u8,
+    auxData: ?AuxData,
+    sessionID: ?[]const u8,
+) ![]const u8 {
+    const Params = struct {
+        context: ExecutionContextDescription,
+    };
+    const params = Params{
+        .context = .{
+            .id = id,
+            .origin = origin,
+            .name = name,
+            .uniqueId = uniqueID,
+            .auxData = auxData,
+        },
+    };
+    return try cdp.method(alloc, "Runtime.executionContextCreated", Params, params, sessionID);
+}
+
 fn runIfWaitingForDebugger(
     alloc: std.mem.Allocator,
     id: u64,