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This PR contains the following updates:

Package	Change	Age	Confidence
com.google.googlejavaformat:google-java-format	1.36.1 → 2.0.0

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Release Notes

google/google-java-format (com.google.googlejavaformat:google-java-format)

v2.0.0

Compare Source

google-java-format 2.0.0 replaces the formatter's layout engine, and makes some improvements to lambda formatting (#​19). This release also adds an optional cleanup pass that makes small non-whitespace changes, which is enabled by default.

Because of these changes, 2.0.0 reformats more existing code than a typical release. We recommend reformatting your codebase in a single commit when upgrading.

Formatting changes

• A lambda that is the only argument of a call is now kept on the same line as the call, instead of starting on a new line with an extra level of indentation (#​19):

  executor.submit(() -> {
    doSomething();
  });

• Text blocks are now indented as part of the main formatting pass, so their indentation is correct even with --skip-reflowing-long-strings.

• Fixed indentation of comments after assert, enum constants, for initializers, try resources, multi-catch clauses, and type arguments.

Cleanups

• Added a --cleanup flag, enabled by default, for small non-whitespace changes:

  • removing redundant semicolons
  • removing empty annotation parentheses (@Foo() → @Foo)
  • removing parentheses around a single untyped lambda parameter ((x) -> ... → x -> ...) (#​762)

  Cleanups only apply to the ranges being formatted. Use --cleanup=false to only change whitespace (and the existing --skip-sorting-imports, --skip-removing-unused-imports, and --skip-reordering-modifiers flags for the other non-whitespace changes).

• When formatting a range with --lines or --offset and cleanups enabled, unformatted statements outside the range are re-indented to match the formatted output, so an edit that adds or removes a level of nesting doesn't leave the surrounding code misaligned. Blank lines left behind by cleanups are removed.

Configuration

• --max-line-length=N sets the column limit (default 100) (#​425). (This flag was introduced in v1.37.0)

Language support

• Support value classes and value records (JEP 401: Value Objects (Preview))

Javadoc

• Strip trailing asterisks before */ (#​67).
• Preserve relative indentation in <pre>{@code ...} blocks without leading *.
• Join hyphenated words broken across lines.

Long strings

• When formatting a range with --lines or --offset, only long string literals in the requested range are reflowed (#​1114).
• Escaped backslashes (e.g. \\t in a Windows path or a regular expression) are no longer split when reflowing long string literals (#​1186, #​1253, #​1439).
• Failures while reflowing long strings are reported as errors instead of crashing or hanging the CLI (#​1439).

Other fixes

• Fixed formatting in the Eclipse plugin, which failed with NoClassDefFoundError since 1.36.0 because the plugin didn't bundle commonmark (#​1428).
• The error for combining --dry-run with --replace now names the right flag (#​1094).

API changes

• JavaFormatterOptions.Builder.cleanup(boolean) controls the new cleanup pass, and defaults to true. This means Formatter.formatSource now makes the non-whitespace changes listed above by default. Integrations that format code the user is editing, e.g. format-on-save in an IDE, should set cleanup(false); the IntelliJ plugin does this.
• Formatter.getFormatReplacements is now strictly whitespace-only: it no longer reorders modifiers, and never applies cleanups. Use Formatter.formatSource(String, Collection<Range<Integer>>) to format character ranges with modifier reordering.
• JavaFormatterOptions.Style became a record in 1.37.0. The enum-compatible methods, such as Style.valueOf(String), have been restored for tools like Spotless that called them (#​1478).
• The previous layout engine's classes (com.google.googlejavaformat.Doc, OpsBuilder, and related types) are no longer used to format Java, but are still included for other formatters that build on them.

Full Changelog: google/google-java-format@v1.37.0...v2.0.0

v1.37.0

Compare Source

Changes:

• Add a --max-line-length flag (#​425)
• Markdown javadoc formatting improvements (c51d691, ecba4fb)
• Add --google-style and --style=google|aosp flags for easier switching between Google and AOSP style (#​1415)

Full Changelog: google/google-java-format@v1.36.1...v1.37.0

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