Support ESM with yarn node

packages/encoding/jasmine-testrunner.js

@@ -1,4 +1,3 @@
-#!/usr/bin/env -S yarn node
 /* eslint-disable @typescript-eslint/naming-convention */
 
 if (process.env.SES_ENABLED) {

packages/encoding/package.json

@@ -27,7 +27,7 @@
     "lint-fix": "eslint --fix --max-warnings 0 \"./**/*.ts\" \"./*.js\"",
     "format": "prettier --write --loglevel warn \"./src/**/*.ts\"",
     "format-text": "prettier --write \"./*.md\"",
-    "test-node": "node jasmine-testrunner.js",
+    "test-node": "node --require esm jasmine-testrunner.js",
     "test-edge": "yarn pack-web && karma start --single-run --browsers Edge",
     "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
     "test-chrome": "yarn pack-web && karma start --single-run --browsers ChromeHeadless",
@@ -60,6 +60,7 @@
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-simple-import-sort": "^7.0.0",
+    "esm": "^3.2.25",
     "glob": "^7.1.6",
     "jasmine": "^3.5",
     "jasmine-core": "^3.7.1",