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-rw-r--r--src/js_parser.zig216
1 files changed, 86 insertions, 130 deletions
diff --git a/src/js_parser.zig b/src/js_parser.zig
index 449d1cbab..fce928a6e 100644
--- a/src/js_parser.zig
+++ b/src/js_parser.zig
@@ -21241,42 +21241,50 @@ fn NewParser_(
parts[parts.len - 1].stmts = new_stmts_list;
},
- // This becomes
+ // This transforms the user's code into.
//
- // (function (module, exports, require) {
+ // (function (exports, require, module, __filename, __dirname) {
+ // ...
+ // }).call(
+ // this.module.exports,
+ // this.module.exports,
+ // this.require,
+ // this.module,
+ // this.__filename,
+ // this.__dirname,
+ // );
//
- // })(module, exports, require);
+ // `this` is a `CommonJSFunctionArgumentsStructure`
+ // which is initialized in `evaluateCommonJSModuleOnce`
.bun_js => {
var args = allocator.alloc(Arg, 5) catch unreachable;
args[0..5].* = .{
- Arg{
- .binding = p.b(B.Identifier{ .ref = p.module_ref }, logger.Loc.Empty),
- },
- Arg{
- .binding = p.b(B.Identifier{ .ref = p.exports_ref }, logger.Loc.Empty),
- },
- Arg{
- .binding = p.b(B.Identifier{ .ref = p.require_ref }, logger.Loc.Empty),
- },
- Arg{
- .binding = p.b(B.Identifier{ .ref = p.dirname_ref }, logger.Loc.Empty),
- },
- Arg{
- .binding = p.b(B.Identifier{ .ref = p.filename_ref }, logger.Loc.Empty),
- },
+ Arg{ .binding = p.b(B.Identifier{ .ref = p.exports_ref }, logger.Loc.Empty) },
+ Arg{ .binding = p.b(B.Identifier{ .ref = p.require_ref }, logger.Loc.Empty) },
+ Arg{ .binding = p.b(B.Identifier{ .ref = p.module_ref }, logger.Loc.Empty) },
+ Arg{ .binding = p.b(B.Identifier{ .ref = p.filename_ref }, logger.Loc.Empty) },
+ Arg{ .binding = p.b(B.Identifier{ .ref = p.dirname_ref }, logger.Loc.Empty) },
+ };
+
+ const cjsArguments = Expr{
+ .data = .{ .e_this = .{} },
+ .loc = logger.Loc.Empty,
};
+
var total_stmts_count: usize = 0;
for (parts) |part| {
total_stmts_count += part.stmts.len;
}
var stmts_to_copy = allocator.alloc(Stmt, total_stmts_count) catch unreachable;
- var remaining_stmts = stmts_to_copy;
- for (parts) |part| {
- for (part.stmts, remaining_stmts[0..part.stmts.len]) |src, *dest| {
- dest.* = src;
+ {
+ var remaining_stmts = stmts_to_copy;
+ for (parts) |part| {
+ for (part.stmts, remaining_stmts[0..part.stmts.len]) |src, *dest| {
+ dest.* = src;
+ }
+ remaining_stmts = remaining_stmts[part.stmts.len..];
}
- remaining_stmts = remaining_stmts[part.stmts.len..];
}
const wrapper = p.newExpr(
@@ -21284,147 +21292,57 @@ fn NewParser_(
.func = G.Fn{
.name = null,
.open_parens_loc = logger.Loc.Empty,
- .args = args,
+ .args = args[0..5],
.body = .{ .loc = logger.Loc.Empty, .stmts = stmts_to_copy },
.flags = Flags.Function.init(.{ .is_export = false }),
},
},
logger.Loc.Empty,
);
- const cjsGlobal = p.newSymbol(.unbound, "$_BunCommonJSModule_$") catch unreachable;
- var all_call_args = allocator.alloc(Expr, 8) catch unreachable;
+
const this_module = p.newExpr(
E.Dot{
.name = "module",
- .target = p.newExpr(E.Identifier{ .ref = cjsGlobal }, logger.Loc.Empty),
+ .target = cjsArguments,
.name_loc = logger.Loc.Empty,
},
logger.Loc.Empty,
);
- var bind_args = all_call_args[0..1];
- bind_args[0] = this_module;
- var bind_resolve_args = all_call_args[1..2];
- var call_args = all_call_args[2..];
-
- const module_id = p.newExpr(E.Dot{
- .name = "id",
- .target = this_module,
- .name_loc = logger.Loc.Empty,
- }, logger.Loc.Empty);
-
- bind_resolve_args[0] = module_id;
- const get_require = p.newExpr(
+ const module_exports = p.newExpr(
E.Dot{
- .name = "require",
+ .name = "exports",
.target = this_module,
.name_loc = logger.Loc.Empty,
},
logger.Loc.Empty,
);
- const create_binding = p.newExpr(
- E.Call{
- .target = p.newExpr(E.Dot{
- .name = "bind",
- .name_loc = logger.Loc.Empty,
- .target = get_require,
- }, logger.Loc.Empty),
- .args = bun.BabyList(Expr).init(bind_args),
- },
- logger.Loc.Empty,
- );
-
- const get_resolve = p.newExpr(E.Dot{
- .name = "resolve",
- .name_loc = logger.Loc.Empty,
- .target = get_require,
- }, logger.Loc.Empty);
-
- const create_resolve_binding = p.newExpr(
- E.Call{
- .target = p.newExpr(E.Dot{
- .name = "bind",
- .name_loc = logger.Loc.Empty,
- .target = get_resolve,
- }, logger.Loc.Empty),
- .args = bun.BabyList(Expr).init(bind_resolve_args),
- },
- logger.Loc.Empty,
- );
-
- const require_path = p.newExpr(
- E.Dot{
- .name = "path",
- .target = get_require,
- .name_loc = logger.Loc.Empty,
- },
- logger.Loc.Empty,
- );
- const assign_binding = p.newExpr(
- E.Binary{
- .left = get_require,
- .right = create_binding,
- .op = .bin_assign,
- },
- logger.Loc.Empty,
- );
-
- const assign_resolve_binding = p.newExpr(
- E.Binary{
- .left = get_resolve,
- .right = create_resolve_binding,
- .op = .bin_assign,
- },
- logger.Loc.Empty,
- );
-
- const assign_id = p.newExpr(E.Binary{
- .left = require_path,
- .right = module_id,
- .op = .bin_assign,
- }, logger.Loc.Empty);
-
- var create_require = [4]Expr{
- assign_binding,
- assign_id,
- assign_resolve_binding,
- get_require,
- };
-
- //
- // (function(module, exports, require, __dirname, __filename) {}).call(this.exports, this.module, this.exports, this.module.require = this.module.require.bind(module), (this.module.require.id = this.module.id, this.module.require), __dirname, __filename)
+ var call_args = allocator.alloc(Expr, 6) catch unreachable;
call_args[0..6].* = .{
+ module_exports, // this.module.exports (this value inside fn)
+ module_exports, // this.module.exports (arg 1)
p.newExpr(
E.Dot{
- .name = "exports",
- .target = this_module,
+ .name = "require",
+ .target = cjsArguments,
.name_loc = logger.Loc.Empty,
},
logger.Loc.Empty,
),
- this_module,
+ this_module, // this.module
p.newExpr(
E.Dot{
- .name = "exports",
- .target = this_module,
+ .name = "__filename",
+ .target = cjsArguments,
.name_loc = logger.Loc.Empty,
},
logger.Loc.Empty,
),
- Expr.joinAllWithComma(&create_require, p.allocator),
p.newExpr(
E.Dot{
.name = "__dirname",
- .target = p.newExpr(E.Identifier{ .ref = cjsGlobal }, logger.Loc.Empty),
- .name_loc = logger.Loc.Empty,
- },
- logger.Loc.Empty,
- ),
- p.newExpr(
- E.Dot{
- .name = "__filename",
- .target = p.newExpr(E.Identifier{ .ref = cjsGlobal }, logger.Loc.Empty),
+ .target = cjsArguments,
.name_loc = logger.Loc.Empty,
},
logger.Loc.Empty,
@@ -21446,14 +21364,50 @@ fn NewParser_(
logger.Loc.Empty,
);
- var only_stmt = try p.allocator.alloc(Stmt, 1);
- only_stmt[0] = p.s(
+ var top_level_stmts = p.allocator.alloc(Stmt, 1 + @as(usize, @intFromBool(p.has_import_meta))) catch unreachable;
+ parts[0].stmts = top_level_stmts;
+
+ // var $Bun_import_meta = this.createImportMeta(this.filename);
+ if (p.has_import_meta) {
+ p.import_meta_ref = p.newSymbol(.other, "$Bun_import_meta") catch unreachable;
+ var decl = allocator.alloc(Decl, 1) catch unreachable;
+ decl[0] = Decl{
+ .binding = Binding.alloc(
+ p.allocator,
+ B.Identifier{
+ .ref = p.import_meta_ref,
+ },
+ logger.Loc.Empty,
+ ),
+ .value = p.newExpr(
+ E.Call{
+ .target = p.newExpr(E.Dot{
+ .target = cjsArguments,
+ .name = "createImportMeta",
+ .name_loc = logger.Loc.Empty,
+ }, logger.Loc.Empty),
+ // reuse the `this.__filename` argument
+ .args = ExprNodeList.init(call_args[5..6]),
+ },
+ logger.Loc.Empty,
+ ),
+ };
+
+ top_level_stmts[0] = p.s(
+ S.Local{
+ .decls = G.Decl.List.init(decl),
+ .kind = .k_var,
+ },
+ logger.Loc.Empty,
+ );
+ top_level_stmts = top_level_stmts[1..];
+ }
+ top_level_stmts[0] = p.s(
S.SExpr{
.value = call,
},
logger.Loc.Empty,
);
- parts[0].stmts = only_stmt;
parts.len = 1;
},
@@ -21984,6 +21938,8 @@ fn NewParser_(
// TODO:
// .const_values = p.const_values,
+
+ .import_meta_ref = p.import_meta_ref,
};
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-26 13:34:41 +0000