chore: ESM for localization

1 files changed, 22 insertions, 1 deletions

diff --git a/test/karma.conf.js b/test/karma.conf.js
index 3736894c..547a8e08 100644
--- a/test/karma.conf.js
+++ b/test/karma.conf.js
@@ -1,3 +1,9 @@
+const commonjs = require("@rollup/plugin-commonjs");
+const resolve = require("@rollup/plugin-node-resolve").default;
+const rollupReplace = require("@rollup/plugin-replace");
+
+const NODE_ENV = process.env.NODE_ENV || 'test';
+
 module.exports = function(config) {
     config.set({
         reporters: ['tfs', 'spec'],
@@ -10,7 +16,7 @@ module.exports = function(config) {
             './node_modules/jbox/dist/jBox.min.js',
             './src/js/serial.js',
             './src/js/data_storage.js',
-            './src/js/localization.js',
+            { pattern: './src/js/localization.js', type: 'module', watched: false },
             './src/js/gui.js',
             './src/js/CliAutoComplete.js',
             './src/js/tabs/cli.js',
@@ -29,5 +35,20 @@ module.exports = function(config) {
             outputFile: 'test_results.xml',
         },
         singleRun: true,
+        preprocessors: {
+             './src/js/localization.js': ['rollup'],
+        },
+        rollupPreprocessor: {
+            plugins: [
+                rollupReplace({
+                    'process.env.NODE_ENV': JSON.stringify(NODE_ENV),
+                }),
+                resolve(),
+                commonjs(),
+            ],
+            output: {
+                format: 'esm',
+            },
+        },
     });
 };