Use TS with gulp

build-scripts/env.ts

@@ -0,0 +1,34 @@
+import fs from "fs";
+import path from "path";
+import paths from "./paths";
+
+const isTrue = (value) => value === "1" || value?.toLowerCase() === "true";
+
+export default {
+  isProdBuild() {
+    return (
+      process.env.NODE_ENV === "production" || module.exports.isStatsBuild()
+    );
+  },
+  isStatsBuild() {
+    return isTrue(process.env.STATS);
+  },
+  isTestBuild() {
+    return isTrue(process.env.IS_TEST);
+  },
+  isNetlify() {
+    return isTrue(process.env.NETLIFY);
+  },
+  version() {
+    const version = fs
+      .readFileSync(path.resolve(paths.root_dir, "pyproject.toml"), "utf8")
+      .match(/version\W+=\W"(\d{8}\.\d(?:\.dev)?)"/);
+    if (!version) {
+      throw Error("Version not found");
+    }
+    return version[1];
+  },
+  isDevContainer() {
+    return isTrue(process.env.DEV_CONTAINER);
+  },
+};