chore: get node version used in transforms from package.json

Author: SimenB

babel.config.js

@@ -1,11 +1,16 @@
 'use strict';
 
+const semver = require('semver');
+const pkg = require('./package.json');
+
+const supportedNodeVersion = semver.minVersion(pkg.engines.node).version;
+
 // todo: https://github.com/babel/babel/issues/8529 :'(
 module.exports = {
   plugins: ['replace-ts-export-assignment'],
   presets: [
     '@babel/preset-typescript',
-    ['@babel/preset-env', { targets: { node: 10 } }],
+    ['@babel/preset-env', { targets: { node: supportedNodeVersion } }],
   ],
   ignore: ['src/**/__tests__/fixtures/**'],
 };

package.json

@@ -118,6 +118,7 @@
     "resolve-from": "^5.0.0",
     "rimraf": "^3.0.0",
     "semantic-release": "^17.0.7",
+    "semver": "^7.3.5",
     "ts-node": "^9.0.0",
     "typescript": "^4.4.0"
   },

yarn.lock

@@ -4544,6 +4544,7 @@ __metadata:
     resolve-from: ^5.0.0
     rimraf: ^3.0.0
     semantic-release: ^17.0.7
+    semver: ^7.3.5
     ts-node: ^9.0.0
     typescript: ^4.4.0
   peerDependencies: