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backend/node_modules/hard-rejection/index.js

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+'use strict';
+const util = require('util');
+
+let installed = false;
+
+const hardRejection = (log = console.error) => {
+	if (installed) {
+		return;
+	}
+
+	installed = true;
+
+	process.on('unhandledRejection', error => {
+		if (!(error instanceof Error)) {
+			error = new Error(`Promise rejected with value: ${util.inspect(error)}`);
+		}
+
+		log(error.stack);
+		process.exit(1);
+	});
+};
+
+module.exports = hardRejection;
+// TODO: Remove this for the next major release
+module.exports.default = hardRejection;