The environment supports arrow functions ('() => { ... }').
The environment supports BigInt as literal (123n).
The environment supports const and let for variable declarations.
The environment supports destructuring ('{ a, b } = obj').
The environment supports an async import() function to import EcmaScript modules.
The environment supports an async import() is available when creating a worker.
The environment supports 'for of' iteration ('for (const x of array) { ... }').
The environment supports 'globalThis'.
The environment supports EcmaScript Module syntax to import EcmaScript modules (import ... from '...').
The environment supports optional chaining ('obj?.a' or 'obj?.()').
The environment supports template literals.
The abilities of the environment where the webpack generated code should run.