fix(codemode): package conditional transpilers (#44565)

.github/workflows/test.yml

@@ -84,6 +84,11 @@ jobs:
         env:
           OPENCODE_EXPERIMENTAL_DISABLE_FILEWATCHER: ${{ runner.os == 'Windows' && 'true' || 'false' }}
 
+      - name: Verify published codemode package
+        if: runner.os == 'Linux'
+        working-directory: packages/codemode
+        run: bun run script/publish.ts --dry-run
+
       - name: Verify compiled service lifecycle
         if: always()
         timeout-minutes: 10

packages/codemode/script/publish.ts

@@ -2,20 +2,26 @@
 
 import { Script } from "@opencode-ai/script"
 import { $ } from "bun"
-import { rm } from "node:fs/promises"
+import { mkdtemp, rm } from "node:fs/promises"
+import { tmpdir } from "node:os"
+import { join } from "node:path"
 import { fileURLToPath } from "node:url"
 
 process.chdir(fileURLToPath(new URL("..", import.meta.url)))
 
+const dryRun = Bun.argv.includes("--dry-run")
 const originalText = await Bun.file("package.json").text()
 const pkg = JSON.parse(originalText) as {
   name: string
   version: string
   exports: Record<string, string | { import: string; types: string }>
+  imports: Record<string, Record<string, string>>
 }
 const tarball = `${pkg.name.replace("@", "").replace("/", "-")}-${pkg.version}.tgz`
+const output = (value: string, types = false) =>
+  value.replace("./src/", "./dist/").replace(/\.ts$/, types ? ".d.ts" : ".js")
 
-if ((await $`npm view ${pkg.name}@${pkg.version} version`.nothrow()).exitCode === 0) {
+if (!dryRun && (await $`npm view ${pkg.name}@${pkg.version} version`.nothrow()).exitCode === 0) {
   console.log(`already published ${pkg.name}@${pkg.version}`)
   process.exit(0)
 }
@@ -29,16 +35,38 @@ try {
       return [
         key,
         {
-          import: value.replace("./src/", "./dist/").replace(/\.ts$/, ".js"),
-          types: value.replace("./src/", "./dist/").replace(/\.ts$/, ".d.ts"),
+          import: output(value),
+          types: output(value, true),
         },
       ]
     }),
   )
+  pkg.imports = Object.fromEntries(
+    Object.entries(pkg.imports).map(([key, conditions]) => [
+      key,
+      Object.fromEntries(Object.entries(conditions).map(([condition, value]) => [condition, output(value)])),
+    ]),
+  )
   await Bun.write("package.json", JSON.stringify(pkg, null, 2) + "\n")
   await rm(tarball, { force: true })
   await $`bun pm pack`
-  await $`npm publish ${tarball} --tag ${Script.channel} --access public`
+  const consumer = await mkdtemp(join(tmpdir(), "opencode-codemode-"))
+  try {
+    await Bun.write(
+      join(consumer, "package.json"),
+      JSON.stringify({
+        private: true,
+        type: "module",
+        dependencies: { [pkg.name]: `file:${join(process.cwd(), tarball)}` },
+      }),
+    )
+    await $`npm install --ignore-scripts --no-audit --no-fund`.cwd(consumer)
+    await $`node --input-type=module -e ${`await import(${JSON.stringify(pkg.name)})`}`.cwd(consumer)
+    await $`bun --conditions=workerd -e ${`await import(${JSON.stringify(pkg.name)})`}`.cwd(consumer)
+  } finally {
+    await rm(consumer, { recursive: true, force: true })
+  }
+  if (!dryRun) await $`npm publish ${tarball} --tag ${Script.channel} --access public`
 } finally {
   await Bun.write("package.json", originalText)
   await rm(tarball, { force: true })