From 48f0edfee697ef11ffcf3e501c5556e4641647b7 Mon Sep 17 00:00:00 2001
From: Chris Hubbard <chris@thehubbards.org>
Date: Fri, 13 Mar 2026 15:03:20 -0400
Subject: [PATCH 1/5] Convert to Svelte source package

---
 .../language-chooser-svelte-daisyui/package.json | 16 +++++++++++++++-
 .../vite.config.ts                               |  3 +++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json b/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
index ce34bb91..cbbf4e51 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
@@ -7,8 +7,22 @@
     "directory": "components/language-chooser/svelte/language-chooser-svelte-daisyui"
   },
   "type": "module",
-  "main": "./index.js",
+  "svelte": "./index.ts",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
   "types": "./index.d.ts",
+  "exports": {
+    ".": {
+      "svelte": "./index.ts",
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs"
+    }
+  },
+  "files": [
+    "dist",
+    "src",
+    "index.ts"
+  ],
   "scripts": {
     "dev": "vite --open",
     "typecheck": "tsc",
diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts b/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts
index 0e08f41a..2c583258 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts
@@ -38,5 +38,8 @@ export default defineConfig({
       fileName: "index",
       formats: ["es", "cjs"],
     },
+    rollupOptions: {
+      external: ["svelte", /^svelte\//],
+    },
   },
 });

From 9ce08f722b64dd1056c9424c3b2420395cdc8da4 Mon Sep 17 00:00:00 2001
From: Chris Hubbard <chris@thehubbards.org>
Date: Fri, 13 Mar 2026 15:05:57 -0400
Subject: [PATCH 2/5] Make SSR-safe packaging

---
 .../language-chooser-svelte-daisyui/package.json     |  2 +-
 .../src/lib/LanguageChooser.svelte                   |  8 +++++++-
 .../tsconfig.lib.json                                | 12 ++++++------
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json b/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
index cbbf4e51..ab38c257 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
@@ -20,7 +20,7 @@
   },
   "files": [
     "dist",
-    "src",
+    "src/lib",
     "index.ts"
   ],
   "scripts": {
diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte b/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte
index 7d310fcd..6d107a00 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte
@@ -34,12 +34,18 @@
   let scrollContainer: HTMLElement;
 
   viewModel.promptForCustomTag = (_default?: string) => {
+    if (typeof window === "undefined") {
+      return;
+    }
+
     const tag = window.prompt(
       "If this user interface is not offering you a language tag that you know is valid ISO 639 code, you can enter it here:",
       _default
     );
     if (tag && !isValidBcp47Tag(tag)) {
-      alert(`This is not in a valid IETF BCP 47 format: ${tag}`);
+      if (typeof window !== "undefined") {
+        window.alert(`This is not in a valid IETF BCP 47 format: ${tag}`);
+      }
     } else if (tag) {
       viewModel.customLanguageTag = tag;
       closeModal();
diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/tsconfig.lib.json b/components/language-chooser/svelte/language-chooser-svelte-daisyui/tsconfig.lib.json
index 14a7a858..a5ff27aa 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/tsconfig.lib.json
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/tsconfig.lib.json
@@ -12,6 +12,9 @@
     "skipLibCheck": true
   },
   "exclude": [
+    "src/main.ts",
+    "src/App.svelte",
+    "src/app.css",
     "langtagProcessing.ts",
     "**/*.spec.ts",
     "**/*.test.ts",
@@ -23,11 +26,8 @@
     "**/*.test.jsx"
   ],
   "include": [
-    "./**/*.js",
-    "./**/*.jsx",
-    "./**/*.ts",
-    "./**/*.tsx",
-    "./**/*.svelte",
-    "../index.ts"
+    "src/lib/**/*.ts",
+    "src/lib/**/*.svelte",
+    "index.ts"
   ]
 }

From 51e92dce62d60981b8405bd8a44e43d9e534e16b Mon Sep 17 00:00:00 2001
From: Chris Hubbard <chris@thehubbards.org>
Date: Fri, 13 Mar 2026 17:16:29 -0400
Subject: [PATCH 3/5] fix(language-chooser-svelte-daisyui): add types for
 client-side

---
 .../svelte/language-chooser-svelte-daisyui/package.json        | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json b/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
index ab38c257..d6c280ff 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/package.json
@@ -10,9 +10,10 @@
   "svelte": "./index.ts",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
-  "types": "./index.d.ts",
+  "types": "./dist/index.d.ts",
   "exports": {
     ".": {
+      "types": "./dist/index.d.ts",
       "svelte": "./index.ts",
       "import": "./dist/index.js",
       "require": "./dist/index.cjs"

From 0e560db87349d5495940d5ec912f455a719257ba Mon Sep 17 00:00:00 2001
From: Chris Hubbard <chris@thehubbards.org>
Date: Fri, 13 Mar 2026 17:17:15 -0400
Subject: [PATCH 4/5] fix(language-chooser-svelte-daisyui): make SSR-safe

---
 .../src/lib/LanguageChooser.svelte            | 49 ++++++++++++++++---
 1 file changed, 42 insertions(+), 7 deletions(-)

diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte b/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte
index 6d107a00..b0f75657 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/src/lib/LanguageChooser.svelte
@@ -28,7 +28,32 @@
     customDetails: viewModel.customizations,
   });
 
-  let languageTag = $derived(createTagFromOrthography(orthography));
+  function safeCreateTagFromOrthography(
+    maybeOrthography: IOrthography
+  ): string | undefined {
+    const language = maybeOrthography?.language;
+
+    // During SSR/initial render, selectedLanguage can be partially populated.
+    // createTagFromOrthography expects language.scripts to be an array.
+    if (!language || !Array.isArray(language.scripts)) {
+      return undefined;
+    }
+
+    try {
+      return createTagFromOrthography(maybeOrthography);
+    } catch {
+      return undefined;
+    }
+  }
+
+  let languageTag = $derived(safeCreateTagFromOrthography(orthography));
+
+  let listedLanguages = $derived(
+    Array.isArray(viewModel.listedLanguages) ? viewModel.listedLanguages : []
+  );
+  let listedScripts = $derived(
+    Array.isArray(viewModel.listedScripts) ? viewModel.listedScripts : []
+  );
 
   let closeModal = $state(() => {});
   let scrollContainer: HTMLElement;
@@ -74,6 +99,14 @@
       behavior: "smooth",
     });
   }
+
+  function onSearchInput(event: Event) {
+    viewModel.searchString = (event.currentTarget as HTMLInputElement).value;
+  }
+
+  function onDisplayNameInput(event: Event) {
+    viewModel.displayName = (event.currentTarget as HTMLInputElement).value;
+  }
 </script>
 
 <div class="h-full flex flex-col">
@@ -89,13 +122,14 @@
           <input
             type="search"
             placeholder="Search by name, code, or country"
-            bind:value={viewModel.searchString}
+              value={viewModel.searchString ?? ""}
+              oninput={onSearchInput}
           />
         </label>
       </div>
 
-      <div class="flex-1 overflow-y-auto min-h-0" bind:this={scrollContainer}>
-        {#each viewModel.listedLanguages
+        <div class="flex-1 overflow-y-auto min-h-0" bind:this={scrollContainer}>
+          {#each listedLanguages
           .slice(0, 100)
           .map(svelteViewModel) as lang}
           <LanguageCard
@@ -103,13 +137,13 @@
             searchText={viewModel.searchString}
             onSelect={onLanguageSelected}
           />
-          {#if lang.isSelected && viewModel.listedScripts.length > 0}
+            {#if lang.isSelected && listedScripts.length > 0}
             <div class="ml-8 mb-4">
               <div class="py-2">
                 <p class="font-semibold text-sm">Select a script:</p>
               </div>
               <div class="grid grid-cols-3 gap-4">
-                {#each viewModel.listedScripts.map(svelteViewModel) as script}
+                  {#each listedScripts.map(svelteViewModel) as script}
                   <ScriptCard viewModel={script} />
                 {/each}
               </div>
@@ -155,7 +189,8 @@
             >
             <input
               class="input input-xl w-full"
-              bind:value={viewModel.displayName}
+                value={viewModel.displayName ?? ""}
+                oninput={onDisplayNameInput}
             />
           </label>
           <div class="font-mono opacity-70 p-2">

From eee3c0b35c25abb3169fb0ba18fc2ef21080715d Mon Sep 17 00:00:00 2001
From: Chris Hubbard <chris@thehubbards.org>
Date: Fri, 13 Mar 2026 17:34:35 -0400
Subject: [PATCH 5/5] fix(language-chooser-svelte-daisyui): correct
 rollupOptions

---
 .../language-chooser-svelte-daisyui/vite.config.ts       | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts b/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts
index 2c583258..9bb79a8e 100644
--- a/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts
+++ b/components/language-chooser/svelte/language-chooser-svelte-daisyui/vite.config.ts
@@ -39,7 +39,14 @@ export default defineConfig({
       formats: ["es", "cjs"],
     },
     rollupOptions: {
-      external: ["svelte", /^svelte\//],
+      external: [
+        "svelte",
+        /^svelte\//,
+        "@ethnolib/find-language",
+        "@ethnolib/language-chooser-controller",
+        "@ethnolib/state-management-svelte",
+        /^@ethnolib\//,
+      ],
     },
   },
 });