adjacent-overload-signatures

NOTE: this rule is part of the recommended rule set.

Enable full set in deno.json:

{
  "lint": {
    "tags": ["recommended"]
  }
}

Enable full set using the Deno CLI:

deno lint --tags=recommended

Requires overload signatures to be adjacent to each other.

Overloaded signatures which are not next to each other can lead to code which is hard to read and maintain.

Invalid:

(bar is declared in-between foo overloads)

type FooType = {
  foo(s: string): void;
  foo(n: number): void;
  bar(): void;
  foo(sn: string | number): void;
};

interface FooInterface {
  foo(s: string): void;
  foo(n: number): void;
  bar(): void;
  foo(sn: string | number): void;
}

class FooClass {
  foo(s: string): void;
  foo(n: number): void;
  bar(): void {}
  foo(sn: string | number): void {}
}

export function foo(s: string): void;
export function foo(n: number): void;
export function bar(): void {}
export function foo(sn: string | number): void {}

Valid:

(bar is declared after foo)

type FooType = {
  foo(s: string): void;
  foo(n: number): void;
  foo(sn: string | number): void;
  bar(): void;
};

interface FooInterface {
  foo(s: string): void;
  foo(n: number): void;
  foo(sn: string | number): void;
  bar(): void;
}

class FooClass {
  foo(s: string): void;
  foo(n: number): void;
  foo(sn: string | number): void {}
  bar(): void {}
}

export function foo(s: string): void;
export function foo(n: number): void;
export function foo(sn: string | number): void {}
export function bar(): void {}

adjacent-overload-signatures

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