chore(tui): add host runtime linking dev script

Author: Tarquinen

package.json

@@ -12,6 +12,7 @@
         "prepublishOnly": "npm run build",
         "dev": "opencode plugin dev",
         "typecheck": "tsc --noEmit",
+        "tui:link-host-runtime": "node scripts/link-tui-host-runtime.mjs",
         "test": "node --import tsx --test tests/*.test.ts",
         "format": "prettier --write .",
         "format:check": "prettier --check .",

scripts/link-tui-host-runtime.mjs

@@ -0,0 +1,67 @@
+import fs from "node:fs"
+import path from "node:path"
+import { createRequire } from "node:module"
+
+const repoRoot = path.resolve(import.meta.dirname, "..")
+const tuiNodeModules = path.join(repoRoot, "tui", "node_modules")
+const hostRoot = path.resolve(
+    process.argv[2] ?? process.env.OPENCODE_SOURCE_ROOT ?? "/home/dan/src/opencode",
+)
+const hostEntry = path.join(hostRoot, "packages", "opencode", "src", "cli", "cmd", "tui", "app.tsx")
+const pluginEntry = path.join(repoRoot, "tui", "index.tsx")
+
+if (!fs.existsSync(hostEntry)) {
+    throw new Error(`OpenCode TUI entry not found: ${hostEntry}`)
+}
+
+const hostRequire = createRequire(hostEntry)
+const pluginRequire = createRequire(pluginEntry)
+
+const findPackageRoot = (resolvedFile) => {
+    let current = path.dirname(resolvedFile)
+    while (true) {
+        const manifest = path.join(current, "package.json")
+        if (fs.existsSync(manifest)) return current
+        const parent = path.dirname(current)
+        if (parent === current) {
+            throw new Error(`Could not find package root for ${resolvedFile}`)
+        }
+        current = parent
+    }
+}
+
+const resolveHostPackage = (specifier) => findPackageRoot(hostRequire.resolve(specifier))
+const resolvePluginPackage = (specifier) => findPackageRoot(pluginRequire.resolve(specifier))
+
+const links = [
+    {
+        specifier: "solid-js",
+        dest: path.join(tuiNodeModules, "solid-js"),
+    },
+    {
+        specifier: "@opentui/solid",
+        dest: path.join(tuiNodeModules, "@opentui", "solid"),
+    },
+    {
+        specifier: "@opentui/core",
+        dest: path.join(tuiNodeModules, "@opentui", "core"),
+    },
+]
+
+for (const link of links) {
+    const target = resolveHostPackage(link.specifier)
+    fs.mkdirSync(path.dirname(link.dest), { recursive: true })
+    fs.rmSync(link.dest, { recursive: true, force: true })
+    fs.symlinkSync(target, link.dest, "dir")
+
+    const pluginResolved = resolvePluginPackage(link.specifier)
+    const pluginReal = fs.realpathSync.native(pluginResolved)
+    const targetReal = fs.realpathSync.native(target)
+    if (pluginReal !== targetReal) {
+        throw new Error(`Failed to link ${link.specifier}: ${pluginReal} != ${targetReal}`)
+    }
+
+    console.log(`linked ${link.specifier}`)
+    console.log(`  host:   ${targetReal}`)
+    console.log(`  plugin: ${pluginReal}`)
+}