Closure Compiler v20210505 Released!

[rish...@google.com]

Downloads:

Maven: http://search.maven.org/#search%7Cga%7C1%7Ca%3A%22closure-compiler%22

NPM: https://www.npmjs.com/package/google-closure-compiler

Release Notes:

https://github.com/google/closure-compiler/wiki/Releases

May 5, 2021 (v20210505)

• Deprecated the undefinedNames diagnostic group and removed the associated error. Undefined namespaces are still detected via enabling undefinedVars and missingProperties diagnostics.
• Changes to the public command-line runner:
  • Remove long deprecated flags aliases
    • --module should be --chunk
    • --module_wrapper should be --chunk_wrapper
    • --module_output_path_prefix should be --chunk_output_path_prefix
    • --output_module_dependencies should be --output_chunk_dependencies
    • --common_js_module_path_prefix should be --js_module_root
    • --common_js_entry_module should be --entry_point
    • --closure_entry_point should be --entry_point
    • --module should be --chunk
    • --manage_closure_dependencies should be --dependency_mode=PRUNE_LEGACY
    • --only_closure_dependencies should be --dependency_mode=PRUNE
    • --polymer_pass should be --polymer_version=1
  • Remove long deprecated option --transform_amd_modules
  • Allow dynamic import expressions by default
  • Document the --json_streams flag
  • Enable optimal flags automatically when --chunk_output_type=ES_MODULES is specified
• SourceMapConsumerV3: Add a field to OriginalMapping to indicate whether the mapping is exact, estimated, or of unknown precision.
• Canonicalized destructuring import shorthand properties with the JSCompiler Linter.
• Sped up serialization of AST and types in multistage builds. Not expected to be a behavioral change.
• Added BanSetAttribute conformance check
• For users of the Java API: deleted SourceFile.fromGenerated. Replace with either a reference to a file on disk or a preloaded string SourceFile.fromCode