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migration.md

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Migrating from 4.x to 5.x

Breaking change

Migrating from 2.x to 3.x

Breaking change

Migrating from 1.x to 2.x

Breaking change

  • Drop support for Node 6 and 8 (EOL)

Migrating from 0.x to 1.x

Breaking changes

  • Jade is not being tested anymore. If this is something you need, please make a PR with a Lexer for it
  • regex option was deprecated. If you need to support a custom file format, please make a PR with a Lexer for it
  • ignoreVariables was deprecated. Keys that are not string litterals now emit a warning
  • writeOld was renamed createOldLibraries. It defaults to true.
  • namespace was renamed defaultNamespace. It defaults to translation.
  • prefix was deprecated. Use output
  • suffix was deprecated. Use output
  • filename was deprecated. Use output
  • extension was deprecated. Use output
  • catalogs are no longer sorted by default. Set sort to true to enable this.

Improvements

  • defaultValue: replace empty keys with the given value
  • output support for $NAMESPACE and $LOCALE variables
  • indentation let you control the indentation of the catalogs
  • lineEnding let you control the line ending of the catalogs
  • sort let you enable sorting.

Lexers

Instead of writing a single regex to match all use cases or to run many regexes on all files, the new version introduce the concept of "Lexer". Each file format has its own Lexer. It adds some code but reduces complexity a lot and improves maintainability.

CLI

  • i18next input:output syntax was deprecated. Use the --output option
  • recursive was deprecated. You can now pass a glob
  • directoryFilter was deprecated. You can now pass a glob
  • fileFilter was deprecated. You can now pass a glob

0.x

i18next src --recursive --fileFilter '*.hbs,*.js' --directoryFilter '!.git'

1.x

i18next 'src/**/*.{js,hbs}' '!.git'