Don't bundle locale data, but add to static (#10119)

build-scripts/gulp/locale-data.js

@@ -0,0 +1,77 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+
+const del = require("del");
+const path = require("path");
+const gulp = require("gulp");
+const fs = require("fs");
+const merge = require("gulp-merge-json");
+const rename = require("gulp-rename");
+const transform = require("gulp-json-transform");
+const paths = require("../paths");
+
+const outDir = "build/locale-data";
+
+gulp.task("clean-locale-data", () => del([outDir]));
+
+gulp.task("ensure-locale-data-build-dir", (done) => {
+  if (!fs.existsSync(outDir)) {
+    fs.mkdirSync(outDir, { recursive: true });
+  }
+  done();
+});
+
+const modules = {
+  "intl-relativetimeformat": "RelativeTimeFormat",
+  "intl-datetimeformat": "DateTimeFormat",
+  "intl-numberformat": "NumberFormat",
+};
+
+gulp.task("create-locale-data", (done) => {
+  const translationMeta = JSON.parse(
+    fs.readFileSync(
+      path.join(paths.translations_src, "translationMetadata.json")
+    )
+  );
+  Object.entries(modules).forEach(([module, className]) => {
+    Object.keys(translationMeta).forEach((lang) => {
+      try {
+        const localeData = String(
+          fs.readFileSync(
+            require.resolve(`@formatjs/${module}/locale-data/${lang}.js`)
+          )
+        )
+          .replace(
+            new RegExp(
+              `\\/\\*\\s*@generated\\s*\\*\\/\\s*\\/\\/\\s*prettier-ignore\\s*if\\s*\\(Intl\\.${className}\\s*&&\\s*typeof\\s*Intl\\.${className}\\.__addLocaleData\\s*===\\s*'function'\\)\\s*{\\s*Intl\\.${className}\\.__addLocaleData\\(`,
+              "im"
+            ),
+            ""
+          )
+          .replace(/\)\s*}/im, "");
+        // make sure we have valid JSON
+        JSON.parse(localeData);
+        if (!fs.existsSync(path.join(outDir, module))) {
+          fs.mkdirSync(path.join(outDir, module), { recursive: true });
+        }
+        fs.writeFileSync(
+          path.join(outDir, `${module}/${lang}.json`),
+          localeData
+        );
+      } catch (e) {
+        if (e.code !== "MODULE_NOT_FOUND") {
+          throw e;
+        }
+      }
+    });
+    done();
+  });
+});
+
+gulp.task(
+  "build-locale-data",
+  gulp.series(
+    "clean-locale-data",
+    "ensure-locale-data-build-dir",
+    "create-locale-data"
+  )
+);