---
source: crates/oxc_linter/src/tester.rs
expression: require_array_join_separator
---
  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ foo.join()
   ·         ──
   ╰────
  help: Missing the separator argument.

  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ [].join.call(foo)
   ·             ─────
   ╰────
  help: Missing the separator argument.

  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ [].join.call(foo,)
   ·             ──────
   ╰────
  help: Missing the separator argument.

  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ [].join.call(foo , );
   ·             ────────
   ╰────
  help: Missing the separator argument.

  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ Array.prototype.join.call(foo)
   ·                          ─────
   ╰────
  help: Missing the separator argument.

  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ Array.prototype.join.call(foo, )
   ·                          ───────
   ╰────
  help: Missing the separator argument.

  ⚠ eslint-plugin-unicorn(require-array-join-separator): Enforce using the separator argument with Array#join()
   ╭─[require_array_join_separator.tsx:1:1]
 1 │ foo?.join()
   ·          ──
   ╰────
  help: Missing the separator argument.


