Merge pull request #301 from lightpanda-io/wrapObject

Inspector session wrapObject wrapper

Author: krichprollsch

src/engines/v8/v8.zig

@@ -36,6 +36,7 @@ pub const ModuleLoadFn = *const fn (ctx: *anyopaque, referrer: ?Module, specifie
 pub const LoadFnType = @import("generate.zig").LoadFnType;
 pub const loadFn = @import("generate.zig").loadFn;
 const setNativeObject = @import("generate.zig").setNativeObject;
+const setNativeType = @import("generate.zig").setNativeType;
 const loadFunctionTemplate = @import("generate.zig").loadFunctionTemplate;
 const bindObjectNativeAndJS = @import("generate.zig").bindObjectNativeAndJS;
 const getTpl = @import("generate.zig").getTpl;
@@ -351,6 +352,29 @@ pub const Env = struct {
         }
     }
 
+    // Currently used for DOM nodes
+    // - value Note: *parser.Node should be converted to dom/node.zig.Union to get the most precise type
+    pub fn findOrAddValue(env: *Env, value: anytype) !v8.Value {
+        if (builtin.is_test) {
+            // std.testing.refAllDecls(@import("server.zig")); Causes `try ret.lookup(gen.Types);` to throw an error
+            return error.TestingNotSupported;
+        }
+        comptime var ret: refl.Type = undefined;
+        comptime {
+            @setEvalBranchQuota(150_000); // Needed when this is called with a dom/node.zig.Union
+            ret = try refl.Type.reflect(@TypeOf(value), null);
+            try ret.lookup(gen.Types);
+        }
+        return try setNativeType(
+            env.nat_ctx.alloc,
+            &env.nat_ctx,
+            ret,
+            value,
+            env.js_ctx.?,
+            env.isolate,
+        );
+    }
+
     // compile and run a JS script
     // It doesn't wait for callbacks execution
     pub fn exec(
@@ -719,6 +743,13 @@ pub const Inspector = struct {
     pub fn send(self: Inspector, env: Env, msg: []const u8) void {
         return self.session.dispatchProtocolMessage(env.isolate, msg);
     }
+
+    // Retrieves the RemoteObject for a given JsValue. We may extend the interface here to include:
+    // backendNodeId, objectGroup, executionContextId. For a complete resolveNode implementation at this level.
+    pub fn getRemoteObject(self: Inspector, env: *Env, jsValue: v8.Value, groupName: []const u8) !v8.RemoteObject {
+        const generatePreview = false; // We do not want to expose this as a parameter for now
+        return self.session.wrapObject(env.isolate, env.js_ctx.?, jsValue, groupName, generatePreview);
+    }
 };
 
 // When we return a Zig instance to V8, we wrap it in a v8.Object. That wrapping