merge development branch

.gitattributes

@@ -0,0 +1,2 @@
+*.zig text=auto eol=lf
+*.zon text=auto eol=lf

.github/workflows/deploy.yml

@@ -3,6 +3,7 @@ name: Deploy
 on:
   push:
     branches: ["main"]
+  pull_request:
   workflow_dispatch:
 
 permissions:
@@ -21,9 +22,17 @@ jobs:
         with:
           node-version: 22
 
+      - uses: mlugg/setup-zig@v2
+
+      - name: Install binaryen
+        run: |
+          sudo apt-get update
+          sudo apt-get install binaryen
+
       - run: |
+          zig build -Drelease -Dwasm-opt
           npm ci
-          npx parcel build 404.html
+          npm run build
 
       - uses: actions/upload-pages-artifact@v3
         with:

.gitignore

@@ -1,5 +1,6 @@
 node_modules
 dist
-.parcel-cache
 .env
 repos
+.zig-cache
+zig-out

README.md

@@ -1,4 +1,4 @@
-# Zig and ZLS in the browser
+# Zig Playground
 
 Works pretty well in a bunch of browsers, but note the required security headers.
 
@@ -9,31 +9,12 @@ You can either:
 - Use it online: https://playground.zigtools.org/
 - Run it locally:
 
+Requires Zig `0.15.1`.
+
 ```bash
+zig build
 npm install
-npm run serve
+npm run dev
 ```
 
 Enjoy!
-
-### Update artifacts
-
-For the time being, the following artifacts have been commited to source control:
-
-- `src/zls.wasm` - A build of [ZLS](https://github.com/zigtools/zls) (ReleaseSmall, wasm32-wasi, VERSION_TBA)
-- `src/zig.wasm` - A build of [Zig](https://github.com/ziglang/zig) (ReleaseSmall, wasm32-wasi, 0.14.0 with `./zig.patch` applied)
-- `src/zig.tar.gz` - The source code of [Zig](https://github.com/ziglang/zig). Only the `lib/std` subdirectory is needed.
-
-The `./compile.sh` script can be used to create these artifacts:
-
-```bash
-./compile zls
-./compile zig
-./compile zig_tarball
-```
-
-Compiling Zig and ZLS may require different Zig compiler versions.
-
-## TODOs
-
-- [ ] Stop using `SharedArrayBuffer`s (they're awesome but a nightmare to deploy)

build.zig

@@ -0,0 +1,73 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .wasi });
+    const optimize: std.builtin.OptimizeMode = b.standardOptimizeOption(.{ .preferred_optimize_mode = .ReleaseSmall });
+
+    const enable_wasm_opt = b.option(bool, "wasm-opt", "Run wasm-opt") orelse false;
+
+    const zls_step = b.step("zls", "compile and install ZLS");
+    const zig_step = b.step("zig", "compile and install Zig");
+    const tarball_step = b.step("zig_tarball", "compile and install zig.tar.gz");
+
+    b.getInstallStep().dependOn(zls_step);
+    b.getInstallStep().dependOn(zig_step);
+    b.getInstallStep().dependOn(tarball_step);
+
+    const zls_dependency = b.dependency("zls", .{
+        .target = target,
+        .optimize = optimize,
+        // .@"version-string" = @as([]const u8, "0.16.0-dev"),
+    });
+
+    const zls_exe = b.addExecutable(.{
+        .name = "zls",
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/zls.zig"),
+            .target = target,
+            .optimize = optimize,
+            .imports = &.{
+                .{ .name = "zls", .module = zls_dependency.module("zls") },
+            },
+        }),
+    });
+    zls_exe.entry = .disabled;
+    zls_exe.rdynamic = true;
+    zls_step.dependOn(installArtifact(b, zls_exe, enable_wasm_opt));
+
+    const zig_dependency = b.dependency("zig", .{
+        .target = target,
+        .optimize = optimize,
+        .@"version-string" = @as([]const u8, "0.15.1"),
+        .@"no-lib" = true,
+        .dev = "wasm",
+    });
+    zig_step.dependOn(installArtifact(b, zig_dependency.artifact("zig"), enable_wasm_opt));
+
+    const run_tar = b.addSystemCommand(&.{ "tar", "-czf" });
+    const zig_tar_gz = run_tar.addOutputFileArg("zig.tar.gz");
+    tarball_step.dependOn(&b.addInstallFile(zig_tar_gz, "zig.tar.gz").step);
+    run_tar.addArg("-C");
+    run_tar.addDirectoryArg(zig_dependency.path("."));
+    run_tar.addArg("lib/std");
+}
+
+fn installArtifact(b: *std.Build, artifact: *std.Build.Step.Compile, enable_wasm_opt: bool) *std.Build.Step {
+    if (enable_wasm_opt) {
+        const wasm_opt = b.addSystemCommand(&.{
+            "wasm-opt",
+            "-Oz",
+            "--enable-bulk-memory",
+            "--enable-mutable-globals",
+            "--enable-nontrapping-float-to-int",
+            "--enable-sign-ext",
+        });
+        wasm_opt.addArtifactArg(artifact);
+        wasm_opt.addArg("-o");
+        const file_name = b.fmt("{s}.wasm", .{artifact.name});
+        const exe = wasm_opt.addOutputFileArg(file_name);
+        return &b.addInstallBinFile(exe, file_name).step;
+    } else {
+        return &b.addInstallArtifact(artifact, .{}).step;
+    }
+}

build.zig.zon

@@ -0,0 +1,17 @@
+.{
+    .name = .playground,
+    .version = "0.0.0",
+    .fingerprint = 0xdc188848360fd988, // Changing this has security and trust implications.
+    .minimum_zig_version = "0.15.1",
+    .dependencies = .{
+        .zls = .{
+            .url = "git+https://github.com/zigtools/zls?ref=0.15.0#ce6c8f02c78e622421cfc2405c67c5222819ec03",
+            .hash = "zls-0.15.0-rmm5fkjqIwDZpmDHyKwxa9K2gcI3FPaGVFPwjYWFBM5B",
+        },
+        .zig = .{
+            .url = "git+https://github.com/zigtools/zig?ref=wasm32-wasi#c019ad27607ad9a78b8fe62a482e2cd3e59c862a",
+            .hash = "zig-0.0.0-Fp4XJPL7IQ0pokn0NhKHKeNpXS-bMHUs0fi_q1yJHX5G",
+        },
+    },
+    .paths = .{""},
+}

index.html

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Zig+ZLS Playground</title>
+
+    <link rel="stylesheet" href="style/style.css">
+</head>
+<body>
+    <button id="run">Run</button>
+
+    <main>
+        <div id="split-pane" style="--editor-height-percent: 100%;">
+            <div id="editor"></div>
+            <div id="resize-bar"></div>
+            <div id="output"></div>
+        </div>
+    </main>
+
+    <footer>
+        <h1><a href="https://playground.zigtools.org">playground</a></h1>
+        <span><span id="warning">Warning</span> Zig's self-hosted WebAssembly backend is still experimental!</span>
+        <span>A <a href="https://zigtools.org">zigtools</a> initiative.</span>
+    </footer>
+
+    <script src="/src/editor.ts" type="module"></script>
+</body>
+</html>