fix(bazel): self-anchoring svelte-package wrapper so build works as an external RBE module (TIN-1721) [0.3.1]

BUILD.bazel

@@ -7,12 +7,11 @@ Uses svelte-package instead of plain tsc.
   Standalone: cd packages/tinyland-stores && pnpm build
 """
 
-load("@aspect_rules_js//js:defs.bzl", "js_library", "js_run_binary")
+load("@aspect_rules_js//js:defs.bzl", "js_binary", "js_library", "js_run_binary")
 load("@aspect_rules_js//npm:defs.bzl", "npm_link_package", "npm_package")
 load("@aspect_rules_ts//ts:defs.bzl", "ts_project")
 load("@tummycrypt_tinyland_stores_npm//:defs.bzl", "npm_link_all_packages")
 load("@tummycrypt_tinyland_stores_npm//:vitest/package_json.bzl", vitest_bin = "bin")
-load("@tummycrypt_tinyland_stores_npm//:@sveltejs/package/package_json.bzl", svelte_package = "bin")
 load("@tummycrypt_tinyland_stores_npm//:svelte-check/package_json.bzl", svelte_check = "bin")
 
 # =============================================================================
@@ -41,8 +40,23 @@ npm_link_package(
     src = "@tummycrypt_tinyland_a11y_engine//:pkg",
 )
 
-svelte_package.svelte_package_binary(
+# Self-anchoring svelte-package wrapper (TIN-1721). The raw
+# svelte_package.svelte_package_binary resolved `-i src` relative to
+# process.cwd(), which rules_js sets to $(BINDIR) with no chdir. That works when
+# stores is the ROOT package (standalone `bazel build //:pkg`, src at
+# $(BINDIR)/src) but breaks when stores is an EXTERNAL registry module under RBE
+# (src lands at $(BINDIR)/external/<repo>+/src while cwd stays $(BINDIR), so
+# `-i src` misses). build-svelte.mjs chdir's to its own copied-to-bin package dir
+# (import.meta.url) before delegating to @sveltejs/package, so `-i src` / `-o dist`
+# resolve correctly in both layouts.
+js_binary(
     name = "svelte_package",
+    entry_point = "build-svelte.mjs",
+    data = [
+        ":node_modules/@sveltejs/package",
+        ":node_modules/typescript",
+        ":node_modules/svelte",
+    ],
     visibility = ["//visibility:public"],
 )
 
@@ -110,7 +124,7 @@ npm_package(
         ":tinyland_stores",
     ],
     package = "@tummycrypt/tinyland-stores",
-    version = "0.3.0",
+    version = "0.3.1",
     visibility = ["//visibility:public"],
 )
 

MODULE.bazel

@@ -1,6 +1,6 @@
 module(
     name = "tummycrypt_tinyland_stores",
-    version = "0.3.0",
+    version = "0.3.1",
     compatibility_level = 1,
 )
 

build-svelte.mjs

@@ -0,0 +1,16 @@
+#!/usr/bin/env node
+// Anchor cwd to THIS script's package dir so `-i src` / `-o dist` resolve whether
+// this module is built standalone (root pkg) or as an external Bazel registry dep
+// (bin/external/<repo>/) under RBE. import.meta.url points at the copied-to-bin
+// location alongside src/, package.json, dist/.
+import { register, createRequire } from 'node:module';
+import { pathToFileURL, fileURLToPath } from 'node:url';
+import { join, dirname } from 'node:path';
+process.chdir(dirname(fileURLToPath(import.meta.url)));
+const require = createRequire(import.meta.url);
+const tsUrl = pathToFileURL(require.resolve('typescript/lib/typescript.js')).href;
+register('data:text/javascript,' + encodeURIComponent(
+  `export function resolve(s,c,n){if(s==='typescript')return{url:'${tsUrl}',shortCircuit:true};return n(s,c);}`
+));
+const pkgDir = dirname(require.resolve('@sveltejs/package/package.json'));
+await import(pathToFileURL(join(pkgDir, 'svelte-package.js')).href);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tummycrypt/tinyland-stores",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Svelte 5 reactive stores for authentication, theming, CSRF, observability, and accessibility state management",
   "type": "module",
   "license": "Zlib AND LicenseRef-Tinyland-Proprietary",