1 files changed, 35 insertions, 0 deletions
diff --git a/intl/icu_capi/js/package/lib/ICU4XList.js b/intl/icu_capi/js/package/lib/ICU4XList.js
new file mode 100644
index 0000000000..55475df4db
--- /dev/null
+++ b/intl/icu_capi/js/package/lib/ICU4XList.js
@@ -0,0 +1,35 @@
+import wasm from "./diplomat-wasm.mjs"
+import * as diplomatRuntime from "./diplomat-runtime.js"
+
+const ICU4XList_box_destroy_registry = new FinalizationRegistry(underlying => {
+  wasm.ICU4XList_destroy(underlying);
+});
+
+export class ICU4XList {
+  #lifetimeEdges = [];
+  constructor(underlying, owned, edges) {
+    this.underlying = underlying;
+    this.#lifetimeEdges.push(...edges);
+    if (owned) {
+      ICU4XList_box_destroy_registry.register(this, underlying);
+    }
+  }
+
+  static create() {
+    return new ICU4XList(wasm.ICU4XList_create(), true, []);
+  }
+
+  static create_with_capacity(arg_capacity) {
+    return new ICU4XList(wasm.ICU4XList_create_with_capacity(arg_capacity), true, []);
+  }
+
+  push(arg_val) {
+    const buf_arg_val = diplomatRuntime.DiplomatBuf.str(wasm, arg_val);
+    wasm.ICU4XList_push(this.underlying, buf_arg_val.ptr, buf_arg_val.size);
+    buf_arg_val.free();
+  }
+
+  len() {
+    return wasm.ICU4XList_len(this.underlying);
+  }
+}