Redo localization for onboarding

.dprint.jsonc

@@ -53,7 +53,8 @@
         // Needs to be LF to have a working shebang.
         "packages/typescript/bin/tsc",
         "tsc/internal/bundled/source/**",
-        "tsc/internal/locale/lcl/**",
+        "tsc/internal/diagnostics/diagnosticMessages.generated.json",
+        "tsc/internal/diagnostics/loc/*.generated.json",
         "packages/typescript/dist/**",
         "packages/typescript/tsconfig.tsbuildinfo",
         "packages/vscode-typescript/dist/**",

Herebyfile.mjs

@@ -158,6 +158,9 @@ const builtLocal = "./built/local";
 const libsDir = "./tsc/internal/bundled/libs";
 const libsRegexp = /(?:^|[\\/])internal[\\/]bundled[\\/]libs[\\/]/;
 
+const locDir = "./tsc/internal/diagnostics/loc";
+const locRegexp = /(?:^|[\\/])internal[\\/]diagnostics[\\/]loc[\\/]/;
+
 /**
  * @param {string} out
  */
@@ -171,12 +174,33 @@ async function generateLibs(out) {
     }));
 }
 
+/**
+ * @param {string} out
+ */
+async function generateLocs(out) {
+    const locOut = path.join(out, "loc");
+    await rimraf(locOut);
+    await fs.promises.mkdir(locOut, { recursive: true });
+
+    const locs = (await fs.promises.readdir(locDir)).filter(loc => loc.endsWith(".generated.json"));
+
+    await Promise.all(locs.map(async loc => {
+        await fs.promises.copyFile(path.join(locDir, loc), path.join(locOut, loc));
+    }));
+}
+
 export const lib = task({
     name: "lib",
     description: "Copies the libs to built/local.",
     run: () => generateLibs(builtLocal),
 });
 
+export const loc = task({
+    name: "loc",
+    description: "Copies the locale files to built/local.",
+    run: () => generateLocs(builtLocal),
+});
+
 /**
  * Gets the release build flags for stripping debug info.
  * @param {string} [versionOverride] Optional version to embed in the binary.
@@ -214,7 +238,7 @@ export const tscBuild = task({
 
 export const tsgo = task({
     name: "tsgo",
-    dependencies: [lib, tscBuild],
+    dependencies: [lib, loc, tscBuild],
 });
 
 export const local = task({
@@ -233,23 +257,28 @@ export const buildWatch = task({
     run: async () => {
         await watchDebounced("build:watch", async (paths, abortSignal) => {
             let libsChanged = false;
+            let locsChanged = false;
             let goChanged = false;
 
             if (paths) {
                 for (const p of paths) {
                     if (libsRegexp.test(p)) {
                         libsChanged = true;
                     }
+                    else if (locRegexp.test(p)) {
+                        locsChanged = true;
+                    }
                     else if (p.endsWith(".go")) {
                         goChanged = true;
                     }
-                    if (libsChanged && goChanged) {
+                    if (libsChanged && locsChanged && goChanged) {
                         break;
                     }
                 }
             }
             else {
                 libsChanged = true;
+                locsChanged = true;
                 goChanged = true;
             }
 
@@ -258,6 +287,11 @@ export const buildWatch = task({
                 await generateLibs(builtLocal);
             }
 
+            if (locsChanged) {
+                console.log("Copying locale files...");
+                await generateLocs(builtLocal);
+            }
+
             if (goChanged) {
                 console.log("Building tsgo...");
                 await buildTsc({ abortSignal });
@@ -1981,6 +2015,7 @@ async function runBuildNativePreviewPackages() {
         await fs.promises.writeFile(path.join(npmDir, "README.md"), readme.join("\n") + "\n");
 
         await generateLibs(out);
+        await generateLocs(out);
 
         const exeName = nativePreviewExeName(nodeOs);
         await buildTsc({

tools/LocProject.json

@@ -0,0 +1,14 @@
+{
+    "Projects": [
+        {
+            "LocItems": [
+                {
+                    "SourceFile": "tsc\\internal\\diagnostics\\diagnosticMessages.generated.json",
+                    "Languages": "cs-CZ;de-DE;es-ES;fr-FR;it-IT;ja-JP;ko-KR;pl-PL;pt-BR;ru-RU;tr-TR;zh-CN;zh-TW",
+                    "CopyOption": "UsePlaceholders",
+                    "OutputPath": "tsc\\internal\\diagnostics\\loc\\{Lang}.generated.json"
+                }
+            ]
+        }
+    ]
+}

tsc/go.mod

@@ -6,7 +6,6 @@ require (
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/go-json-experiment/json v0.0.0-20260623181947-01eb4420fa68
 	github.com/google/go-cmp v0.7.0
-	github.com/klauspost/compress v1.19.0
 	github.com/mackerelio/go-osstat v0.2.7
 	github.com/peter-evans/patience v0.3.0
 	github.com/zeebo/xxh3 v1.1.0

tsc/go.sum

@@ -4,8 +4,6 @@ github.com/go-json-experiment/json v0.0.0-20260623181947-01eb4420fa68 h1:KZaTBSy
 github.com/go-json-experiment/json v0.0.0-20260623181947-01eb4420fa68/go.mod h1:tphK2c80bpPhMOI4v6bIc2xWywPfbqi1Z06+RcrMkDg=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/klauspost/compress v1.19.0 h1:sXLILfc9jV2QYWkzFOPWStmcUVH2RHEB1JCdY2oVvCQ=
-github.com/klauspost/compress v1.19.0/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ=
 github.com/klauspost/cpuid/v2 v2.2.10 h1:tBs3QSyvjDyFTq3uoc/9xFpCuOsJQFNPiAhYdw2skhE=
 github.com/klauspost/cpuid/v2 v2.2.10/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/mackerelio/go-osstat v0.2.7 h1:TCavZi10wF49bT6iQZ9eT2keGZQpC69MTDfdJej5e94=