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useGetterReturn (since v1.0.0)

Diagnostic Category: lint/suspicious/useGetterReturn

Sources:

Enforce get methods to always return a value.

Examples

Section titled Examples

Invalid

Section titled Invalid
class Person {
    get firstName() {}
}
suspicious/useGetterReturn.js:2:5 lint/suspicious/useGetterReturn ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ This getter should return a value.
  
    1 │ class Person {
  > 2 │     get firstName() {}
      │     ^^^^^^^^^^^^^^^^^^
    3 │ }
    4 │ 
  

const obj = {
    get firstName() {
        return;
    }
}
suspicious/useGetterReturn.js:3:9 lint/suspicious/useGetterReturn ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ This return should return a value because it is located in a getter.
  
    1 │ const obj = {
    2 │     get firstName() {
  > 3 │         return;
      │         ^^^^^^^
    4 │     }
    5 │ }
  

class Option {
    get value() {
        if (this.hasValue) {
            log();
        } else {
            return null;
        }
    }
}
suspicious/useGetterReturn.js:2:5 lint/suspicious/useGetterReturn ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ This getter should return a value.
  
     1 │ class Option {
   > 2 │     get value() {
       │     ^^^^^^^^^^^^^
   > 3 │         if (this.hasValue) {
   > 4 │             log();
   > 5 │         } else {
   > 6 │             return null;
   > 7 │         }
   > 8 │     }
       │     ^
     9 │ }
    10 │

Valid

Section titled Valid
class Person {
    get firstName() {
        return this.fullname.split(" ")[0];
    }
}
const obj = {
    get firstName() {
        return this.fullname.split(" ")[0];
    }
}
Section titled Related links