E0250: enum member name cannot be numeric
TypeScript enum members can be named using an identifier or a string literal. It is a syntax error to name an enum member using a number literal:
enum LogLevel {
ERROR = 0,
WARNING = 1,
INFO = 2,
// For array-like access:
0 = 0,
1 = 1,
2 = 2,
}
To fix this error, replace the enum with an object:
const LogLevel = {
ERROR: 0,
WARNING: 1,
INFO: 2,
// For array-like access:
0: 0,
1: 1,
2: 2,
} as const;
Introduced in quick-lint-js version 2.7.0.