.changeset/clever-worlds-heal.md (1)

5-5: Tighten wording and make JS scope explicit; add example per guidelines.

Minor grammar, explicit “JavaScript identifier-continue”, and clearer behaviour statement.

Apply this diff to reword the description:

-Fixed [#7261](https://github.com/biomejs/biome/issues/7261): two characters `・` (KATAKANA MIDDLE DOT, U+30FB) and `･` (HALFWIDTH KATAKANA MIDDLE DOT, U+FF65) are no longer considered as valid characters. A string literal property key including these character(s) is now preserved as-is.
+Fixed [#7261](https://github.com/biomejs/biome/issues/7261). Do not treat U+30FB (KATAKANA MIDDLE DOT, `・`) and U+FF65 (HALFWIDTH KATAKANA MIDDLE DOT, `･`) as JavaScript identifier-continue characters. Property keys containing these characters are preserved as string literals.

Suggested representative example for the changeset body (not a diff):

// Input
({ "実用文・会話文": "長文読解" });

// Output (unchanged)
({ "実用文・会話文": "長文読解" });

crates/biome_unicode_table/src/lib.rs (2)

68-70: Prefer code point match to avoid look‑alike glyph confusion.

Sticks with the file’s existing matches! style and is crystal clear in reviewers’ editors.

-    if c == '・' || c == '･' {
-        return false;
-    }
+    if matches!(c as u32, 0x30FB | 0xFF65) {
+        return false;
+    }

---

63-73: Add a focused unit test in this crate.

A tiny crate-level test will catch regressions even if formatter behaviour changes.

Proposed test file (crates/biome_unicode_table/tests/js_id_continue.rs):

use biome_unicode_table::is_js_id_continue;

#[test]
fn rejects_katakana_middle_dot_variants() {
    assert!(!is_js_id_continue('・')); // U+30FB
    assert!(!is_js_id_continue('･')); // U+FF65
}

#[test]
fn still_allows_common_continue_chars() {
    assert!(is_js_id_continue('0'));
    assert!(is_js_id_continue('_'));
    assert!(is_js_id_continue('$'));
}

crates/biome_js_formatter/tests/specs/js/module/object/property_key.js (1)

8-10: Also cover the HALFWIDTH variant (U+FF65).

You cover U+30FB; add U+FF65 to lock both down.

  // https://github.com/biomejs/biome/issues/7261
  "実用文・会話文": "長文読解",
+ // Also cover U+FF65 HALFWIDTH KATAKANA MIDDLE DOT.
+ "実用文･会話文": "長文読解",

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