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Snyk has created this PR to upgrade @biomejs/biome from 1.8.3 to 2.1.4.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.


⚠️ Warning: This PR contains major version upgrade(s), and may be a breaking change.

  • The recommended version is 35 versions ahead of your current version.

  • The recommended version was released 24 days ago.

Issues fixed by the recommended upgrade:

Issue Score Exploit Maturity
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-ANSIREGEX-1583908
63 Proof of Concept
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-ANSIREGEX-1583908
63 Proof of Concept
high severity Asymmetric Resource Consumption (Amplification)
SNYK-JS-BODYPARSER-7926860
63 No Known Exploit
high severity Excessive Platform Resource Consumption within a Loop
SNYK-JS-BRACES-6838727
63 Proof of Concept
high severity Denial of Service (DoS)
SNYK-JS-DECODEURICOMPONENT-3149970
63 Proof of Concept
high severity Improper Handling of Extra Parameters
SNYK-JS-FOLLOWREDIRECTS-6141137
63 Proof of Concept
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-GETFUNCNAME-5923417
63 Proof of Concept
high severity Prototype Pollution
SNYK-JS-JSONSCHEMA-1920922
63 No Known Exploit
high severity Denial of Service (DoS)
SNYK-JS-WS-7266574
63 Proof of Concept
high severity Prototype Poisoning
SNYK-JS-QS-3153490
63 Proof of Concept
high severity Prototype Poisoning
SNYK-JS-QS-3153490
63 Proof of Concept
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-SEMVER-3247795
63 Proof of Concept
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-SEMVER-3247795
63 Proof of Concept
high severity Remote Code Execution (RCE)
SNYK-JS-SHELLQUOTE-1766506
63 No Known Exploit
high severity Improper Link Resolution Before File Access ('Link Following')
SNYK-JS-TARFS-10293725
63 No Known Exploit
high severity Symlink Attack
SNYK-JS-TARFS-9535930
63 Mature
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-UAPARSERJS-3244450
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-BABELHELPERS-9397697
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-BABELRUNTIME-10044504
63 Proof of Concept
medium severity Cross-site Scripting (XSS)
SNYK-JS-COOKIE-8163060
63 No Known Exploit
medium severity Improper Control of Dynamically-Managed Code Resources
SNYK-JS-EJS-6689533
63 Proof of Concept
medium severity Information Exposure
SNYK-JS-FOLLOWREDIRECTS-2332181
63 Proof of Concept
medium severity Information Exposure
SNYK-JS-FOLLOWREDIRECTS-6444610
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-LOADERUTILS-3042992
63 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-LOADERUTILS-3105943
63 No Known Exploit
medium severity Inefficient Regular Expression Complexity
SNYK-JS-MICROMATCH-6838728
63 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-MINIMATCH-3050818
63 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-OCTOKITENDPOINT-8730856
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-OCTOKITPLUGINPAGINATEREST-8730855
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-OCTOKITREQUEST-8730853
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-OCTOKITREQUESTERROR-8730854
63 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-7925106
63 Proof of Concept
medium severity Improper Input Validation
SNYK-JS-POSTCSS-5926692
63 No Known Exploit
medium severity Cross-site Scripting (XSS)
SNYK-JS-ROLLUP-8073097
63 Proof of Concept
medium severity Symlink Attack
SNYK-JS-TMP-11501554
63 Proof of Concept
low severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-BRACEEXPANSION-9789073
63 Proof of Concept
low severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-BRACEEXPANSION-9789073
63 Proof of Concept
low severity Information Exposure
SNYK-JS-FOLLOWREDIRECTS-2396346
63 No Known Exploit
low severity Prototype Pollution
SNYK-JS-MINIMIST-2429795
63 Proof of Concept
Release notes
Package name: @biomejs/biome
  • 2.1.4 - 2025-08-07

    2.1.4

    Patch Changes

    • #7121 b9642ab Thanks @ arendjr! - Fixed #7111: Imported symbols using aliases are now correctly recognised.

    • #7103 80515ec Thanks @ omasakun! - Fixed #6933 and #6994.

      When the values of private member assignment expressions, increment expressions, etc. are used, those private members are no longer marked as unused.

    • #6887 0cc38f5 Thanks @ ptkagori! - Added the noQwikUseVisibleTask rule to Qwik.

      This rule is intended for use in Qwik applications to warn about the use of useVisibleTask$() functions which require careful consideration before use.

      Invalid:

      useVisibleTask$(() => {
        console.log("Component is visible");
      });

      Valid:

      useTask$(() => {
        console.log("Task executed");
      });
    • #7084 50ca155 Thanks @ ematipico! - Added the new nursery rule noUnnecessararyConditions, which detects whenever some conditions don't
      change during the life cycle of the program, and truthy or false, hence deemed redundant.

      For example, the following snippets will trigger the rule:

      // Always truthy literal conditions
      if (true) {
        console.log("always runs");
      }
      // Unnecessary condition on constrained string type
      function foo(arg: "bar" | "baz") {
        if (arg) {
          // This check is unnecessary
        }
      }
    • #6887 0cc38f5 Thanks @ ptkagori! - Added the useImageSize rule to Biome.

      The useImageSize rule enforces the use of width and height attributes on <img> elements for performance reasons. This rule is intended to prevent layout shifts and improve Core Web Vitals by ensuring images have explicit dimensions.

      Invalid:

      <img src="/image.png" />
      <img src="https://example.com/image.png" />
      <img src="/image.png" width="200" />
      <img src="/image.png" height="200" />

      Valid:

      <img width="200" height="600" src="/static/images/portrait-01.webp" />
      <img width="100" height="100" src="https://example.com/image.png" />
    • #6887 0cc38f5 Thanks @ ptkagori! - Added the useAnchorHref rule to Biome.

      The useAnchorHref rule enforces the presence of an href attribute on <a> elements in JSX. This rule is intended to ensure that anchor elements are always valid and accessible.

      Invalid:

      <a>Link</a>
      <a target="_blank">External</a>

      Valid:

      <a href="/home">Home</a>
      <a href="https://example.com" target="_blank">
        External
      </a>
    • #7100 29fcb05 Thanks @ Jayllyz! - Added the rule noNonNullAssertedOptionalChain.

      This rule prevents the use of non-null assertions (!) immediately after optional chaining expressions (?.). Optional chaining is designed to safely handle nullable values by returning undefined when the chain encounters null or undefined. Using a non-null assertion defeats this purpose and can lead to runtime errors.

      // Invalid - non-null assertion after optional chaining
      obj?.prop!;
      obj?.method()!;
      obj?.[key]!;
      obj?.prop!;

      // Valid - proper optional chaining usage
      obj?.prop;
      obj?.method();
      obj?.prop ?? defaultValue;
      obj!.prop?.method();

    • #7129 9f4538a Thanks @ drwpow! - Removed option, combobox, listbox roles from useSemanticElements suggestions

    • #7106 236deaa Thanks @ arendjr! - Fixed #6985: Inference of return types no longer mistakenly picks up return types of nested functions.

    • #7102 d3118c6 Thanks @ omasakun! - Fixed #7101: noUnusedPrivateClassMembers now handles members declared as part of constructor arguments:

      1. If a class member defined in a constructor argument is only used within the constructor, it removes the private modifier and makes it a plain method argument.
      2. If it is not used at all, it will prefix it with an underscore, similar to noUnusedFunctionParameter.
    • #7104 5395297 Thanks @ harxki! - Reverting to prevent regressions around ref handling

    • #7143 1a6933a Thanks @ siketyan! - Fixed #6799: The noImportCycles rule now ignores type-only imports if the new ignoreTypes option is enabled (enabled by default).

      [!WARNING]
      Breaking Change: The noImportCycles rule no longer detects import cycles that include one or more type-only imports by default.
      To keep the old behaviour, you can turn off the ignoreTypes option explicitly:

      {
        "linter": {
          "rules": {
            "nursery": {
              "noImportCycles": {
                "options": {
                  "ignoreTypes": false
                }
              }
            }
          }
        }
      }
    • #7099 6cc84cb Thanks @ arendjr! - Fixed #7062: Biome now correctly considers extended configs when determining the mode for the scanner.

    • #6887 0cc38f5 Thanks @ ptkagori! - Added the useQwikClasslist rule to Biome.

      This rule is intended for use in Qwik applications to encourage the use of the built-in class prop (which accepts a string, object, or array) instead of the classnames utility library.

      Invalid:

      <div class={classnames({ active: true, disabled: false })} />

      Valid:

      <div classlist={{ active: true, disabled: false }} />
    • #7019 57c15e6 Thanks @ fireairforce! - Added support in the JS parser for import source(a stage3 proposal). The syntax looks like:

      import source foo from "<specifier>";
    • #7053 655049e Thanks @ jakeleventhal! - Added the useConsistentTypeDefinitions rule.

      This rule enforces consistent usage of either interface or type for object type definitions in TypeScript.

      The rule accepts an option to specify the preferred style:

      • interface (default): Prefer using interface for object type definitions
      • type: Prefer using type for object type definitions

      Examples:

      // With default option (interface)
      // ❌ Invalid
      type Point = { x: number; y: number };

      // ✅ Valid
      interface Point {
      x: number;
      y: number;
      }

      // With option { style: "type" }
      // ❌ Invalid
      interface Point {
      x: number;
      y: number;
      }

      // ✅ Valid
      type Point = { x: number; y: number };

      The rule will automatically fix simple cases where conversion is straightforward.

    What's Changed

    New Contributors

    Full Changelog: https://github.com/biomejs/biome/compare/@ biomejs/biome@2.1.3...@ biomejs/biome@2.1.4

  • 2.1.3 - 2025-07-29

    2.1.3

    Patch Changes

    • #7057 634a667 Thanks @ mdevils! - Added the rule noVueReservedKeys, which prevents the use of reserved Vue keys.

      It prevents the use of Vue reserved keys such as those starting with # @ biomejs/biome (like $el, $data, $props) and keys starting with _` in data properties, which can cause conflicts and unexpected behavior in Vue components.

      Invalid example
      <script>
      export default {
        data: {
          $el: "",
          _foo: "bar",
        },
      };
      </script>

Snyk has created this PR to upgrade @biomejs/biome from 1.8.3 to 2.1.4.

See this package in npm:
@biomejs/biome

See this project in Snyk:
https://app.snyk.io/org/nerds-github/project/bf4e0bbc-6133-4196-a6ba-f683223a4e51?utm_source=github&utm_medium=referral&page=upgrade-pr
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2 participants