node-eslint-plugin-es 4.1.0~ds1-1ubuntu1 (amd64 binary) in ubuntu hirsute

 Espree, the default parser of ESLint, has option "ecmaVersion".
 However, it doesn't support enabling each syntactic feature individually.
 .
 This plugin lets us disable each syntactic feature individually.
 So we can enable arbitrary syntactic features
 with the combination of ecmaVersion and this plugin.
 .
 ESLint is a tool for identifying and reporting on patterns
 found in ECMAScript/JavaScript code.
 .
 Node.js is an event-based server-side JavaScript engine.