pogen: implement merge and emit subcommands

3 files changed, 31 insertions, 5 deletions

diff --git a/packages/pogen/package.json b/packages/pogen/package.json
index 04c7ba1c0..5f6b99664 100644
--- a/packages/pogen/package.json
+++ b/packages/pogen/package.json
@@ -15,6 +15,7 @@
     "typescript": "^4.5.5"
   },
   "dependencies": {
-    "@types/node": "^17.0.17"
+    "@types/node": "^17.0.17",
+    "glob": "^7.2.0"
   }
 }
diff --git a/packages/pogen/src/po2ts.ts b/packages/pogen/src/po2ts.ts
index ac85b9b76..e11443f4f 100644
--- a/packages/pogen/src/po2ts.ts
+++ b/packages/pogen/src/po2ts.ts
@@ -22,12 +22,10 @@
 import * as po2json from "po2json";
 import * as fs from "fs";
 import * as path from "path";
+import glob = require("glob");
 
 export function po2ts(): void {
-  const files = fs
-    .readdirSync("./src/i18n")
-    .filter((x) => x.endsWith(".po"))
-    .map((x) => path.join("./src/i18n/", x));
+  const files = glob.sync("src/i18n/*.po");
 
   if (files.length === 0) {
     console.error("no .po files found in src/i18n/");
diff --git a/packages/pogen/src/pogen.ts b/packages/pogen/src/pogen.ts
index 7d128ce7a..72b7c81d7 100644
--- a/packages/pogen/src/pogen.ts
+++ b/packages/pogen/src/pogen.ts
@@ -1,4 +1,8 @@
 import { potextract } from "./potextract.js";
+import * as child_process from "child_process";
+import * as fs from "fs";
+import glob = require("glob");
+import { po2ts } from "./po2ts.js";
 
 function usage(): never {
   console.log("usage: pogen <extract|merge|emit>");
@@ -14,6 +18,29 @@ export function main() {
     case "extract":
       potextract();
       break;
+    case "merge": {
+      const packageJson = JSON.parse(
+        fs.readFileSync("./package.json", { encoding: "utf-8" }),
+      );
+
+      const poDomain = packageJson.pogen?.domain;
+      if (!poDomain) {
+        console.error("missing 'pogen.domain' field in package.json");
+        process.exit(1);
+      }
+      const files = glob.sync("src/i18n/*.po");
+      console.log(files);
+      for (const f of files) {
+        console.log(`merging ${f}`);
+        child_process.execSync(
+          `msgmerge -o '${f}' '${f}' 'src/i18n/${poDomain}.pot'`,
+        );
+      }
+      break;
+    }
+    case "emit":
+      po2ts();
+      break;
     default:
       console.error(`unknown subcommand '${subcommand}'`);
       usage();