From 4a4fb16c27788e02ded1a99787aabefb1bba91b8 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sat, 14 Dec 2024 13:52:46 -0800
Subject: [PATCH] add dev env for wasm

with this I get 5s compilations
---
 src/dev.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/dev.zig b/src/dev.zig
index d623a708e7..2573e63f25 100644
--- a/src/dev.zig
+++ b/src/dev.zig
@@ -30,6 +30,10 @@ pub const Env = enum {
     /// - `zig build-* -fno-llvm -fno-lld -target riscv64-linux`
     @"riscv64-linux",
 
+    /// - sema
+    /// - `zig build-* -fno-llvm -fno-lld -target wasm32-* --listen=-`
+    wasm,
+
     pub inline fn supports(comptime dev_env: Env, comptime feature: Feature) bool {
         return switch (dev_env) {
             .full => true,
@@ -144,6 +148,14 @@ pub const Env = enum {
                 => true,
                 else => Env.sema.supports(feature),
             },
+            .wasm => switch (feature) {
+                .stdio_listen,
+                .incremental,
+                .wasm_backend,
+                .wasm_linker,
+                => true,
+                else => Env.sema.supports(feature),
+            },
         };
     }