useGetterReturn

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Diagnostic Category: lint/suspicious/useGetterReturn

JavaScript (and super languages)

Since: v1.0.0

Sources:

Same as: getter-return

Enforce get methods to always return a value.

Examples

Invalid

class Person {
    get firstName() {}
}

code-block.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;
    }
}

code-block.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;
        }
    }
}

code-block.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

class Person {
    get firstName() {
        return this.fullname.split(" ")[0];
    }
}

const obj = {
    get firstName() {
        return this.fullname.split(" ")[0];
    }
}

useGetterReturn

Examples

Invalid

Valid

Related links