noShoutyConstants (since v0.7.0)

Disallow the use of constants which its value is the upper-case version of its name.

Examples

Invalid

const FOO = "FOO";
console.log(FOO);

warning[js/noShoutyConstants]: Redundant constant declaration.
  ┌─ js/noShoutyConstants.js:1:7
  │
1 │ const FOO = "FOO";
  │       -----------
2 │ console.log(FOO);
  │             --- Used here.

Suggested fix: Use the constant value directly
    | @@ -1,2 +1,2 @@
0   | - const FOO = "FOO";
1   | - console.log(FOO);
  0 | + 
  1 | + console.log("FOO");

=  note: You should avoid declaring constants with a string that's the same
    value as the variable name. It introduces a level of unnecessary
    indirection when it's only two additional characters to inline.