Document log_filter_scope argument

Add fetch logging

src/browser/Browser.zig

@@ -27,6 +27,8 @@ const App = @import("../App.zig");
 const HttpClient = @import("../http/Client.zig");
 const Notification = @import("../Notification.zig");
 
+const IS_DEBUG = @import("builtin").mode == .Debug;
+
 const Session = @import("Session.zig");
 
 // Browser is an instance of the browser.
@@ -104,7 +106,9 @@ pub fn runMicrotasks(self: *const Browser) void {
 
 pub fn runMessageLoop(self: *const Browser) void {
     while (self.env.pumpMessageLoop()) {
+        if (comptime IS_DEBUG) {
             log.debug(.browser, "pumpMessageLoop", .{});
         }
+    }
     self.env.runIdleTasks();
 }

src/browser/Page.zig

@@ -472,11 +472,13 @@ fn pageHeaderDoneCallback(transfer: *Http.Transfer) !void {
     self.window._location = try Location.init(self.url, self);
     self.document._location = self.window._location;
 
+    if (comptime IS_DEBUG) {
         log.debug(.page, "navigate header", .{
             .url = self.url,
             .status = header.status,
             .content_type = header.contentType(),
         });
+    }
 }
 
 fn pageDataCallback(transfer: *Http.Transfer, data: []const u8) !void {

src/browser/Session.zig

@@ -30,6 +30,7 @@ const Browser = @import("Browser.zig");
 
 const Allocator = std.mem.Allocator;
 const NavigateOpts = Page.NavigateOpts;
+const IS_DEBUG = @import("builtin").mode == .Debug;
 
 // Session is like a browser's tab.
 // It owns the js env and the loader for all the pages of the session.
@@ -110,7 +111,9 @@ pub fn createPage(self: *Session) !*Page {
     // Creates a new NavigationEventTarget for this page.
     try self.navigation.onNewPage(page);
 
+    if (comptime IS_DEBUG) {
         log.debug(.browser, "create page", .{});
+    }
     // start JS env
     // Inform CDP the main page has been created such that additional context for other Worlds can be created as well
     self.browser.notification.dispatch(.page_created, page);
@@ -129,7 +132,9 @@ pub fn removePage(self: *Session) void {
 
     self.navigation.onRemovePage();
 
+    if (comptime IS_DEBUG) {
         log.debug(.browser, "remove page", .{});
+    }
 }
 
 pub fn currentPage(self: *Session) ?*Page {

src/browser/webapi/element/DOMStringMap.zig

@@ -28,17 +28,17 @@ const DOMStringMap = @This();
 
 _element: *Element,
 
-fn _getProperty(self: *DOMStringMap, name: []const u8, page: *Page) !?[]const u8 {
+fn getProperty(self: *DOMStringMap, name: []const u8, page: *Page) !?[]const u8 {
     const attr_name = try camelToKebab(page.call_arena, name);
     return try self._element.getAttribute(attr_name, page);
 }
 
-fn _setProperty(self: *DOMStringMap, name: []const u8, value: []const u8, page: *Page) !void {
+fn setProperty(self: *DOMStringMap, name: []const u8, value: []const u8, page: *Page) !void {
     const attr_name = try camelToKebab(page.call_arena, name);
     return self._element.setAttributeSafe(attr_name, value, page);
 }
 
-fn _deleteProperty(self: *DOMStringMap, name: []const u8, page: *Page) !void {
+fn deleteProperty(self: *DOMStringMap, name: []const u8, page: *Page) !void {
     const attr_name = try camelToKebab(page.call_arena, name);
     try self._element.removeAttribute(attr_name, page);
 }
@@ -101,5 +101,5 @@ pub const JsApi = struct {
         pub var class_id: bridge.ClassId = undefined;
     };
 
-    pub const @"[]" = bridge.namedIndexed(_getProperty, _setProperty, _deleteProperty, .{ .null_as_undefined = true });
+    pub const @"[]" = bridge.namedIndexed(getProperty, setProperty, deleteProperty, .{ .null_as_undefined = true });
 };

src/browser/webapi/net/Fetch.zig

@@ -99,6 +99,14 @@ fn httpHeaderDoneCallback(transfer: *Http.Transfer) !void {
     const res = self._response;
     const header = transfer.response_header.?;
 
+    if (comptime IS_DEBUG) {
+        log.debug(.http, "request header", .{
+            .source = "xhr",
+            .url = self._url,
+            .status = header.status,
+        });
+    }
+
     res._status = header.status;
     res._url = try self._page.arena.dupeZ(u8, std.mem.span(header.url));
     res._is_redirected = header.redirect_count > 0;
@@ -135,6 +143,14 @@ fn httpDataCallback(transfer: *Http.Transfer, data: []const u8) !void {
 fn httpDoneCallback(ctx: *anyopaque) !void {
     const self: *Fetch = @ptrCast(@alignCast(ctx));
     self._response._body = self._buf.items;
+
+    log.info(.http, "request complete", .{
+        .source = "fetch",
+        .url = self._url,
+        .status = self._response._status,
+        .len = self._buf.items.len,
+    });
+
     return self._resolver.resolve("fetch done", self._response);
 }
 

src/main.zig

@@ -305,6 +305,11 @@ const Command = struct {
             \\--log_format    The log format: pretty or logfmt.
             \\                Defaults to
         ++ (if (builtin.mode == .Debug) " pretty." else " logfmt.") ++
+            \\
+            \\
+            \\--log_filter_scopes
+            \\                Filter out too verbose logs per scope:
+            \\                http, unknown_prop, event, ...
             \\
             \\ --user_agent_suffix
             \\                Suffix to append to the Lightpanda/X.Y User-Agent