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check page module_map before fetching

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This commit is contained in:
Muki Kiboigo
2025-05-12 08:01:45 -07:00
parent 35bff8cc67
commit e15c80927b
1 changed files with 18 additions and 4 deletions
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22
src/browser/browser.zig
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@@ -241,6 +241,9 @@ pub const Page = struct {
scope: *Env.Scope,
// List of modules currently fetched/loaded.
module_map: std.StringHashMapUnmanaged([]const u8),
// current_script is the script currently evaluated by the page.
// current_script could by fetch module to resolve module's url to fetch.
current_script: ?*const Script = null,
@@ -267,6 +270,7 @@ pub const Page = struct {
.http_client = browser.http_client,
},
.scope = try session.executor.startScope(&self.window, &self.state, self, true),
.module_map = .empty,
};
// load polyfills
@@ -298,10 +302,20 @@ pub const Page = struct {
const self: *Page = @ptrCast(@alignCast(ctx));
log.debug("fetch module: specifier: {s}", .{specifier});
return try self.fetchData(
specifier,
if (self.current_script) |s| s.src else null,
);
const base = if (self.current_script) |s| s.src else null;
const file_src = blk: {
if (base) |_base| {
break :blk try URL.stitch(self.arena, specifier, _base);
} else break :blk specifier;
};
if (self.module_map.get(file_src)) |module| return module;
const module = try self.fetchData(specifier, base);
if (module) |_module| try self.module_map.putNoClobber(self.arena, file_src, _module);
return module;
}
pub fn wait(self: *Page) !void {