fix: keep big.js import in built js actions

The bigjs import replacer stripped `import { Big } from "big.js"` from the
build output, assuming mxbuild would re-add it. It does not, so actions
creating Big values failed at runtime with "Big is not defined".

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Author: stelselim

configs/jsactions/rollup-plugin-bigjs-import-replacer.mjs

@@ -5,8 +5,11 @@ export function bigJsImportReplacer() {
             const [filename] = Object.keys(bundle);
             const fileInfo = bundle[filename];
 
-            // Remove Big import entirely - mxbuild will add it in the header at line 8
-            fileInfo.code = fileInfo.code.replace(/^import\s*\{\s*Big\s*\}\s*from\s*['"]big\.js['"];?\s*\r?\n/m, "");
+            // Keep the Big import (Studio Pro does not re-add it at runtime), normalized to Studio Pro's quote style
+            fileInfo.code = fileInfo.code.replace(
+                /^import\s*\{\s*Big\s*\}\s*from\s*['"]big\.js['"];?/m,
+                `import { Big } from "big.js";`
+            );
         }
     };
 }

packages/jsActions/mobile-resources-native/CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+-   Fixed an issue where actions using decimal values threw a "Big is not defined" error at runtime.
+
 ## [11.3.14] Native Mobile Resources - 2026-10-8
 
 ## [2.1.1] Gallery

packages/jsActions/nanoflow-actions-native/CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Fixed
 
 -   Fixed an issue where the "Get straight line distance" action threw an error at runtime.
+-   Fixed an issue where actions using decimal values threw a "Big is not defined" error at runtime.
 
 ## [6.2.3] Nanoflow Commons - 2026-9-2