feat: add support for Node.js >= 12.20.0

As older npm versions doesn't support new
package.json override field, we're simulating
it for older npm versions before the npm package
publish phase.

package.json

@@ -38,7 +38,7 @@
     "deps_check_dir": ".deps_check"
   },
   "scripts": {
-    "prepublishOnly": "npm run clean && npm run lint && npm run test && npm run build",
+    "prepublishOnly": "npm run clean && npm run lint && npm run test && npm run build && node ./scripts/overrides.js",
     "build": "run-s build:umd:browser build:commonjs build:es",
     "build:umd:browser": "cross-env BABEL_ENV=browser webpack --progress --config config/webpack/browser.config.babel.js",
     "build:commonjs": "cross-env BABEL_ENV=commonjs babel src --out-dir lib",

scripts/overrides.js

@@ -0,0 +1,35 @@
+/**
+ * This script simulates `overrides` package.json field
+ * in older npm versions that doesn't support it.
+ *
+ * Older versions of npm match the package overrides by name and version,
+ * instead of just name (this is how new `override` package.json field works).
+ */
+/* eslint-disable import/no-dynamic-require */
+
+const fs = require('fs');
+const path = require('path');
+
+const rootPckg = require(path.join(__dirname, '..', 'package.json'));
+const apidomReferencePckgPath = path.join(
+  __dirname,
+  '..',
+  'node_modules',
+  '@swagger-api',
+  'apidom-reference',
+  'package.json'
+);
+const apidomReferencePckg = require(apidomReferencePckgPath);
+
+const {
+  overrides: { '@swagger-api/apidom-reference': overrides },
+} = rootPckg;
+const overridesList = Object.keys(overrides).filter((key) => key.startsWith('@swagger-api/'));
+
+overridesList.forEach((override) => {
+  if (Object.hasOwn(apidomReferencePckg.dependencies, override)) {
+    apidomReferencePckg.dependencies[override] = '=0.0.1';
+  }
+});
+
+fs.writeFileSync(apidomReferencePckgPath, JSON.stringify(apidomReferencePckg, null, 2));