0.1.21

test/localize.test.mjs

@@ -0,0 +1,36 @@
+import { test } from "node:test";
+import assert from "node:assert/strict";
+import { createRequire } from "node:module";
+
+// Minimal vscode shim without l10n: exercises the fallback path that unit
+// tests and extension hosts without a loaded bundle use.
+const require = createRequire(import.meta.url);
+const Module = require("module");
+const origResolve = Module._resolveFilename;
+Module._resolveFilename = function (request, ...args) {
+  if (request === "vscode") return "vscode-stub";
+  return origResolve.call(this, request, ...args);
+};
+require.cache["vscode-stub"] = {
+  id: "vscode-stub",
+  filename: "vscode-stub",
+  loaded: true,
+  exports: {},
+};
+
+const { t, tN } = require("../out/localize.js");
+
+test("t fallback substitutes positional placeholders", () => {
+  assert.equal(t("Hello {0}!", "World"), "Hello World!");
+  assert.equal(t("{0} and {1}", "A", 2), "A and 2");
+  assert.equal(t("No placeholders"), "No placeholders");
+});
+
+test("tN fallback substitutes named placeholders", () => {
+  assert.equal(tN("Hello {name}", { name: "Codex" }), "Hello Codex");
+  assert.equal(
+    tN("Keep {missing}", {}),
+    "Keep {missing}",
+    "unknown placeholders stay untouched",
+  );
+});