Support multiple Stimulus applications

test/fixtures/multiple-applications/app/javascript/controllers/application/application.js

@@ -0,0 +1,9 @@
+import { Application } from "@hotwired/stimulus"
+
+const application = Application.start()
+
+// Configure Stimulus development experience
+application.debug = false
+window.Stimulus   = application
+
+export { application }

test/fixtures/multiple-applications/app/javascript/controllers/application/index.js

@@ -0,0 +1,9 @@
+// This file is auto-generated by ./bin/rails stimulus:manifest:update
+// Run that command whenever you add a new controller or create them with
+// ./bin/rails generate stimulus controllerName
+
+import { application } from "./application"
+
+import HelloController from "../hello_controller"
+
+application.register("hello", HelloController)

test/fixtures/multiple-applications/app/javascript/controllers/backend/application.js

@@ -0,0 +1,9 @@
+import { Application } from "@hotwired/stimulus"
+
+const application = Application.start()
+
+// Configure Stimulus development experience
+application.debug = false
+window.Stimulus   = application
+
+export { application }

test/fixtures/multiple-applications/app/javascript/controllers/backend/index.js

@@ -0,0 +1,9 @@
+// This file is auto-generated by ./bin/rails stimulus:manifest:update
+// Run that command whenever you add a new controller or create them with
+// ./bin/rails generate stimulus controllerName
+
+import { application } from "./application"
+
+import HelloController from "../hello_controller"
+
+application.register("hello", HelloController)

test/fixtures/multiple-applications/app/javascript/controllers/hello_controller.js

@@ -0,0 +1,7 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  connect() {
+
+  }
+}

test/fixtures/multiple-applications/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "multiple-applications",
+  "private": true,
+  "dependencies": {
+    "@hotwired/stimulus": "^3.2.2",
+    "esbuild": "^0.20.0"
+  }
+}

test/fixtures/multiple-applications/yarn.lock

@@ -0,0 +1,152 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@esbuild/aix-ppc64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/aix-ppc64/-/aix-ppc64-0.20.0.tgz#509621cca4e67caf0d18561a0c56f8b70237472f"
+  integrity sha512-fGFDEctNh0CcSwsiRPxiaqX0P5rq+AqE0SRhYGZ4PX46Lg1FNR6oCxJghf8YgY0WQEgQuh3lErUFE4KxLeRmmw==
+
+"@esbuild/android-arm64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/android-arm64/-/android-arm64-0.20.0.tgz#109a6fdc4a2783fc26193d2687827045d8fef5ab"
+  integrity sha512-aVpnM4lURNkp0D3qPoAzSG92VXStYmoVPOgXveAUoQBWRSuQzt51yvSju29J6AHPmwY1BjH49uR29oyfH1ra8Q==
+
+"@esbuild/android-arm@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/android-arm/-/android-arm-0.20.0.tgz#1397a2c54c476c4799f9b9073550ede496c94ba5"
+  integrity sha512-3bMAfInvByLHfJwYPJRlpTeaQA75n8C/QKpEaiS4HrFWFiJlNI0vzq/zCjBrhAYcPyVPG7Eo9dMrcQXuqmNk5g==
+
+"@esbuild/android-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/android-x64/-/android-x64-0.20.0.tgz#2b615abefb50dc0a70ac313971102f4ce2fdb3ca"
+  integrity sha512-uK7wAnlRvjkCPzh8jJ+QejFyrP8ObKuR5cBIsQZ+qbMunwR8sbd8krmMbxTLSrDhiPZaJYKQAU5Y3iMDcZPhyQ==
+
+"@esbuild/darwin-arm64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/darwin-arm64/-/darwin-arm64-0.20.0.tgz#5c122ed799eb0c35b9d571097f77254964c276a2"
+  integrity sha512-AjEcivGAlPs3UAcJedMa9qYg9eSfU6FnGHJjT8s346HSKkrcWlYezGE8VaO2xKfvvlZkgAhyvl06OJOxiMgOYQ==
+
+"@esbuild/darwin-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/darwin-x64/-/darwin-x64-0.20.0.tgz#9561d277002ba8caf1524f209de2b22e93d170c1"
+  integrity sha512-bsgTPoyYDnPv8ER0HqnJggXK6RyFy4PH4rtsId0V7Efa90u2+EifxytE9pZnsDgExgkARy24WUQGv9irVbTvIw==
+
+"@esbuild/freebsd-arm64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/freebsd-arm64/-/freebsd-arm64-0.20.0.tgz#84178986a3138e8500d17cc380044868176dd821"
+  integrity sha512-kQ7jYdlKS335mpGbMW5tEe3IrQFIok9r84EM3PXB8qBFJPSc6dpWfrtsC/y1pyrz82xfUIn5ZrnSHQQsd6jebQ==
+
+"@esbuild/freebsd-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/freebsd-x64/-/freebsd-x64-0.20.0.tgz#3f9ce53344af2f08d178551cd475629147324a83"
+  integrity sha512-uG8B0WSepMRsBNVXAQcHf9+Ko/Tr+XqmK7Ptel9HVmnykupXdS4J7ovSQUIi0tQGIndhbqWLaIL/qO/cWhXKyQ==
+
+"@esbuild/linux-arm64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-arm64/-/linux-arm64-0.20.0.tgz#24efa685515689df4ecbc13031fa0a9dda910a11"
+  integrity sha512-uTtyYAP5veqi2z9b6Gr0NUoNv9F/rOzI8tOD5jKcCvRUn7T60Bb+42NDBCWNhMjkQzI0qqwXkQGo1SY41G52nw==
+
+"@esbuild/linux-arm@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-arm/-/linux-arm-0.20.0.tgz#6b586a488e02e9b073a75a957f2952b3b6e87b4c"
+  integrity sha512-2ezuhdiZw8vuHf1HKSf4TIk80naTbP9At7sOqZmdVwvvMyuoDiZB49YZKLsLOfKIr77+I40dWpHVeY5JHpIEIg==
+
+"@esbuild/linux-ia32@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-ia32/-/linux-ia32-0.20.0.tgz#84ce7864f762708dcebc1b123898a397dea13624"
+  integrity sha512-c88wwtfs8tTffPaoJ+SQn3y+lKtgTzyjkD8NgsyCtCmtoIC8RDL7PrJU05an/e9VuAke6eJqGkoMhJK1RY6z4w==
+
+"@esbuild/linux-loong64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-loong64/-/linux-loong64-0.20.0.tgz#1922f571f4cae1958e3ad29439c563f7d4fd9037"
+  integrity sha512-lR2rr/128/6svngnVta6JN4gxSXle/yZEZL3o4XZ6esOqhyR4wsKyfu6qXAL04S4S5CgGfG+GYZnjFd4YiG3Aw==
+
+"@esbuild/linux-mips64el@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-mips64el/-/linux-mips64el-0.20.0.tgz#7ca1bd9df3f874d18dbf46af009aebdb881188fe"
+  integrity sha512-9Sycc+1uUsDnJCelDf6ZNqgZQoK1mJvFtqf2MUz4ujTxGhvCWw+4chYfDLPepMEvVL9PDwn6HrXad5yOrNzIsQ==
+
+"@esbuild/linux-ppc64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-ppc64/-/linux-ppc64-0.20.0.tgz#8f95baf05f9486343bceeb683703875d698708a4"
+  integrity sha512-CoWSaaAXOZd+CjbUTdXIJE/t7Oz+4g90A3VBCHLbfuc5yUQU/nFDLOzQsN0cdxgXd97lYW/psIIBdjzQIwTBGw==
+
+"@esbuild/linux-riscv64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-riscv64/-/linux-riscv64-0.20.0.tgz#ca63b921d5fe315e28610deb0c195e79b1a262ca"
+  integrity sha512-mlb1hg/eYRJUpv8h/x+4ShgoNLL8wgZ64SUr26KwglTYnwAWjkhR2GpoKftDbPOCnodA9t4Y/b68H4J9XmmPzA==
+
+"@esbuild/linux-s390x@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-s390x/-/linux-s390x-0.20.0.tgz#cb3d069f47dc202f785c997175f2307531371ef8"
+  integrity sha512-fgf9ubb53xSnOBqyvWEY6ukBNRl1mVX1srPNu06B6mNsNK20JfH6xV6jECzrQ69/VMiTLvHMicQR/PgTOgqJUQ==
+
+"@esbuild/linux-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/linux-x64/-/linux-x64-0.20.0.tgz#ac617e0dc14e9758d3d7efd70288c14122557dc7"
+  integrity sha512-H9Eu6MGse++204XZcYsse1yFHmRXEWgadk2N58O/xd50P9EvFMLJTQLg+lB4E1cF2xhLZU5luSWtGTb0l9UeSg==
+
+"@esbuild/netbsd-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/netbsd-x64/-/netbsd-x64-0.20.0.tgz#6cc778567f1513da6e08060e0aeb41f82eb0f53c"
+  integrity sha512-lCT675rTN1v8Fo+RGrE5KjSnfY0x9Og4RN7t7lVrN3vMSjy34/+3na0q7RIfWDAj0e0rCh0OL+P88lu3Rt21MQ==
+
+"@esbuild/openbsd-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/openbsd-x64/-/openbsd-x64-0.20.0.tgz#76848bcf76b4372574fb4d06cd0ed1fb29ec0fbe"
+  integrity sha512-HKoUGXz/TOVXKQ+67NhxyHv+aDSZf44QpWLa3I1lLvAwGq8x1k0T+e2HHSRvxWhfJrFxaaqre1+YyzQ99KixoA==
+
+"@esbuild/sunos-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/sunos-x64/-/sunos-x64-0.20.0.tgz#ea4cd0639bf294ad51bc08ffbb2dac297e9b4706"
+  integrity sha512-GDwAqgHQm1mVoPppGsoq4WJwT3vhnz/2N62CzhvApFD1eJyTroob30FPpOZabN+FgCjhG+AgcZyOPIkR8dfD7g==
+
+"@esbuild/win32-arm64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/win32-arm64/-/win32-arm64-0.20.0.tgz#a5c171e4a7f7e4e8be0e9947a65812c1535a7cf0"
+  integrity sha512-0vYsP8aC4TvMlOQYozoksiaxjlvUcQrac+muDqj1Fxy6jh9l9CZJzj7zmh8JGfiV49cYLTorFLxg7593pGldwQ==
+
+"@esbuild/win32-ia32@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/win32-ia32/-/win32-ia32-0.20.0.tgz#f8ac5650c412d33ea62d7551e0caf82da52b7f85"
+  integrity sha512-p98u4rIgfh4gdpV00IqknBD5pC84LCub+4a3MO+zjqvU5MVXOc3hqR2UgT2jI2nh3h8s9EQxmOsVI3tyzv1iFg==
+
+"@esbuild/win32-x64@0.20.0":
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/@esbuild/win32-x64/-/win32-x64-0.20.0.tgz#2efddf82828aac85e64cef62482af61c29561bee"
+  integrity sha512-NgJnesu1RtWihtTtXGFMU5YSE6JyyHPMxCwBZK7a6/8d31GuSo9l0Ss7w1Jw5QnKUawG6UEehs883kcXf5fYwg==
+
+"@hotwired/stimulus@^3.2.2":
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/@hotwired/stimulus/-/stimulus-3.2.2.tgz#071aab59c600fed95b97939e605ff261a4251608"
+  integrity sha512-eGeIqNOQpXoPAIP7tC1+1Yc1yl1xnwYqg+3mzqxyrbE5pg5YFBZcA6YoTiByJB6DKAEsiWtl6tjTJS4IYtbB7A==
+
+esbuild@^0.20.0:
+  version "0.20.0"
+  resolved "https://registry.yarnpkg.com/esbuild/-/esbuild-0.20.0.tgz#a7170b63447286cd2ff1f01579f09970e6965da4"
+  integrity sha512-6iwE3Y2RVYCME1jLpBqq7LQWK3MW6vjV2bZy6gt/WrqkY+WE74Spyc0ThAOYpMtITvnjX09CrC6ym7A/m9mebA==
+  optionalDependencies:
+    "@esbuild/aix-ppc64" "0.20.0"
+    "@esbuild/android-arm" "0.20.0"
+    "@esbuild/android-arm64" "0.20.0"
+    "@esbuild/android-x64" "0.20.0"
+    "@esbuild/darwin-arm64" "0.20.0"
+    "@esbuild/darwin-x64" "0.20.0"
+    "@esbuild/freebsd-arm64" "0.20.0"
+    "@esbuild/freebsd-x64" "0.20.0"
+    "@esbuild/linux-arm" "0.20.0"
+    "@esbuild/linux-arm64" "0.20.0"
+    "@esbuild/linux-ia32" "0.20.0"
+    "@esbuild/linux-loong64" "0.20.0"
+    "@esbuild/linux-mips64el" "0.20.0"
+    "@esbuild/linux-ppc64" "0.20.0"
+    "@esbuild/linux-riscv64" "0.20.0"
+    "@esbuild/linux-s390x" "0.20.0"
+    "@esbuild/linux-x64" "0.20.0"
+    "@esbuild/netbsd-x64" "0.20.0"
+    "@esbuild/openbsd-x64" "0.20.0"
+    "@esbuild/sunos-x64" "0.20.0"
+    "@esbuild/win32-arm64" "0.20.0"
+    "@esbuild/win32-ia32" "0.20.0"
+    "@esbuild/win32-x64" "0.20.0"

test/system/multiple-applications.test.ts

@@ -0,0 +1,35 @@
+import { describe, test, expect } from "vitest"
+import { setupProject } from "../helpers/setup"
+
+const project = setupProject("multiple-applications")
+
+describe("System", () => {
+  test("multiple-applications", async () => {
+    expect(project.controllersFiles.length).toEqual(0)
+    expect(project.applicationFile).toBeUndefined()
+    expect(project.registeredControllers.length).toEqual(0)
+
+    await project.initialize()
+
+    expect(project.applicationFile).toBeDefined()
+    expect(project.applicationFile.localApplicationConstant).toEqual("application")
+    expect(project.applicationFile.exportedApplicationConstant).toEqual("application")
+    expect(project.relativePath(project.applicationFile.path)).toEqual("app/javascript/controllers/backend/application.js")
+
+    expect(project.controllersFiles.length).toEqual(1)
+    expect(project.controllersFiles[0].applicationImport).toBeDefined()
+    expect(project.controllersFiles[0].localApplicationConstant).toEqual("application")
+    expect(project.relativePath(project.controllersFiles[0].path)).toEqual("app/javascript/controllers/backend/index.js")
+
+    expect(project.controllerRoots.length).toEqual(2)
+    expect(project.controllerRoots[0]).toEqual("app/javascript/controllers/application")
+    expect(project.controllerRoots[1]).toEqual("app/javascript/controllers/backend")
+
+    expect(project.registeredControllers.length).toEqual(1)
+    expect(project.registeredControllers.map(controller => [controller.identifier, controller.loadMode])).toEqual([["hello", "register"]])
+    expect(Array.from(project.controllerRoots).sort()).toEqual([
+      "app/javascript/controllers/application",
+      "app/javascript/controllers/backend"
+    ])
+  })
+})