1 files changed, 111 insertions, 0 deletions
diff --git a/src/bun.js/typescript.zig b/src/bun.js/typescript.zig
new file mode 100644
index 000000000..6095320f6
--- /dev/null
+++ b/src/bun.js/typescript.zig
@@ -0,0 +1,111 @@
+const d = @import("./base.zig").d;
+const std = @import("std");
+const Router = @import("./api/router.zig");
+const builtin = @import("builtin");
+const io = std.io;
+const fs = std.fs;
+const process = std.process;
+const ChildProcess = std.ChildProcess;
+const Progress = std.Progress;
+const print = std.debug.print;
+const mem = std.mem;
+const testing = std.testing;
+const Allocator = std.mem.Allocator;
+const resolve_path = @import("../resolver/resolve_path.zig");
+const JSC = @import("../jsc.zig");
+const bun = @import("../global.zig");
+const string = bun.string;
+const strings = bun.strings;
+const default_allocator = bun.default_allocator;
+
+pub const bindgen = true;
+
+pub fn main() anyerror!void {
+    const modules = comptime [_]d.ts.decl{
+        JSC.Node.NodeFSBindings.typescriptDeclaration(),
+    };
+
+    const hidden_globals = comptime [_]d.ts.decl{
+        JSC.WebCore.FetchEvent.Class.typescriptDeclaration(),
+    };
+
+    const globals = comptime [_]d.ts.decl{
+        Router.Instance.typescriptDeclaration(),
+        JSC.Bun.Class.typescriptDeclaration(),
+        JSC.BuildError.Class.typescriptDeclaration(),
+        JSC.ResolveError.Class.typescriptDeclaration(),
+        JSC.WebCore.Response.Class.typescriptDeclaration(),
+        JSC.WebCore.Headers.Class.typescriptDeclaration(),
+        JSC.EventListenerMixin.addEventListener(JSC.VirtualMachine).typescriptDeclaration(),
+        JSC.WebCore.Fetch.Class.typescriptDeclaration(),
+        JSC.Performance.Class.typescriptDeclaration(),
+        JSC.Crypto.Class.typescriptDeclaration(),
+        JSC.WebCore.TextDecoder.Class.typescriptDeclaration(),
+        JSC.API.Transpiler.Class.typescriptDeclaration(),
+    };
+
+    var allocator = default_allocator;
+    var argv = std.mem.span(std.os.argv);
+    var dest = [_]string{ std.mem.span(argv[argv.len - 2]), std.mem.span(argv[argv.len - 1]) };
+    var stdout = std.io.getStdOut();
+    var writer = stdout.writer();
+    try writer.print("{s}/{s}\n", .{ dest[0], dest[1] });
+    var dir_path = resolve_path.joinAbsString(try std.process.getCwdAlloc(allocator), &dest, .auto);
+
+    std.debug.assert(dir_path.len > 0 and strings.eqlComptime(std.fs.path.basename(dir_path), "types"));
+    std.fs.deleteTreeAbsolute(dir_path) catch {};
+    try std.fs.makeDirAbsolute(dir_path);
+    var dir = try std.fs.openDirAbsolute(dir_path, std.fs.Dir.OpenDirOptions{});
+    var index_file = try dir.createFile("index.d.ts", .{});
+    try index_file.writeAll(
+        \\/// <reference no-default-lib="true" />
+        \\/// <reference lib="esnext" />
+        \\/// <reference types="bun.js/types/globals" />
+        \\/// <reference types="bun.js/types/modules" />
+        \\
+    );
+
+    var global_file = try dir.createFile("globals.d.ts", .{});
+    try global_file.writeAll(
+        \\// bun.js v
+        \\
+        \\
+    );
+    inline for (globals) |global| {
+        try global_file.writeAll(comptime d.ts.class.Printer.printDecl(global, 0));
+    }
+
+    var module_file = try dir.createFile("modules.d.ts", .{});
+    try module_file.writeAll(
+        \\// bun.js v
+        \\
+        \\
+    );
+
+    try global_file.writeAll("\n");
+
+    try global_file.writeAll("declare global {\n");
+
+    inline for (hidden_globals) |module, i| {
+        if (i > 0) {
+            try global_file.writeAll("\n");
+        }
+        try global_file.writeAll(comptime d.ts.class.Printer.printDecl(module, 2));
+    }
+
+    try global_file.writeAll("}\n\n");
+    try stdout.writeAll("  ✔️ index.d.ts\n");
+
+    inline for (modules) |decl| {
+        comptime var module: d.ts.module = decl.module;
+        const basepath = comptime module.path;
+        if (std.fs.path.dirname(basepath)) |dirname| {
+            try dir.makePath(dirname);
+        }
+
+        try module_file.writeAll(comptime d.ts.class.Printer.printDecl(decl, 0));
+        try stdout.writeAll(comptime "  ✔️ " ++ basepath ++ " - modules.d.ts\n");
+    }
+
+    try global_file.writeAll("export {};\n");
+}