Changed

• Upgrade nyc devDependency from ^13.2.0 to ^14.0.0 (#334) (@vweevers)

Fixed

• Fix and test asynchronicity of empty batch (#337) (@vweevers)
• Fix Level badge (8993257) (@vweevers)
• Remove link to dead website (c0abe28) (@vweevers)

Changed

• Upgrade sinon devDependency from ^6.0.0 to ^7.2.4 (#330) (@ralphtheninja)
• Upgrade nyc devDependency from ^12.0.2 to ^13.2.0 (#327) (@vweevers)
• Upgrade airtap devDependency from 0.1.0 to ^2.0.0 (#323) (@vweevers)
• Apply common project tweaks (#324, #325) (@vweevers)

Fixed

• Fix subtests by adding t.plan() (#329) (@vweevers)

Changed

• Upgrade hallmark devDependency from 0.0.2 to 0.1.0 (#316) (@vweevers)
• Split v6 upgrade guide into sections for consumers and implementors (@vweevers)

Fixed

• Remove range tests that assumed zero-length strings or Buffers meant "not defined" (#319) (@vweevers)

If you are upgrading, please consult the Upgrade Guide.

Changed

• Upgrade airtap devDependency from 0.0.5 to 0.1.0 (#229, #231, #245, 029f56a, #252) (@vweevers, @ralphtheninja)
• Upgrade sinon devDependency from ^5.0.0 to ^6.0.0 (#232) (@ralphtheninja)
• Upgrade standard devDependency from ^11.0.0 to ^12.0.0 (#303) (@ralphtheninja)
• Reject nullish values (#277) (@vweevers)
• Make default _serializeKey and _serializeValue identity functions (#277) (@vweevers)
• Don't coerce keys to strings to check if they're empty, instead check arrays explicitly (#277) (@vweevers)
• Make db property mandatory and public on iterator and chained batch (#257, #309) (@vweevers)
• Align AbstractChainedBatch#_clear with _put and _del (#257) (@vweevers)
• Add AbstractChainedBatch#_write with options (#257) (@vweevers)
• Use level-concat-iterator instead of collectEntries (#246) (@ralphtheninja)
• Document API and test suite (#251, #290, #295, #296, #305) (@vweevers)
• Export test suite as a single function (#271, #293, #297) (@vweevers, @ralphtheninja)
• Use factory function to create db instances in test suite (#258, #268, #282) (@ralphtheninja, @vweevers)
• Isolate snapshot tests so that they can be skipped (#239, #274) (@vweevers, @ralphtheninja)
• Isolate openAdvanced tests so that they can be skipped (#271) (@vweevers)
• Rename abstract/ to test/ (#253) (@vweevers)
• Refactor internal test methods to have the same signature (test, testCommon) (#268, #275) (@ralphtheninja)
• Prefer exports.* over module.exports.* (#276) (@ralphtheninja)
• Tweak copyright years for less maintenance (0b2949a) (@ralphtheninja)

Added

• Add iterator#seek() (#237, #302, #307) (@vweevers, @ralphtheninja)
• Add nyc and coveralls devDependencies for code coverage (#253) (@vweevers)
• Add setUp and tearDown to all sub tests (#279, #289) (@ralphtheninja)
• Add test for implementations that cannot support snapshots (#239) (@vweevers)
• Add hallmark devDependency for Markdown style and contributors (#312) (@vweevers)

Removed

• Remove location (#258) (@ralphtheninja)
• Remove lastLocation, cleanup, rimraf (#249) (@vweevers)
• Remove IE10 from Sauce Labs test matrix (#312) (@vweevers)
• Remove node 9 from Travis (0b52395) (@ralphtheninja)
• Remove tests that assumed support of boolean and NaN keys (#277) (@vweevers)
• Remove range tests that assumed null meant "not defined" (#277) (@vweevers)
• Remove sync test from test/put-test.js (#300) (@ralphtheninja)
• Remove empty errorValues() test (#273) (@ralphtheninja)
• Remove default testCommon parameter (#264, #271) (@vweevers)
• Remove contributors from package.json (542f350) (@ralphtheninja)
• Remove copyright headers from code (a36c04f) (@ralphtheninja)

Fixed

• Make sure all t.throw tests check error messages correctly (#286) (@ralphtheninja)
• Check options objects properly for null (#257, #288) (@ralphtheninja, @vweevers)
• Serialize range options same as keys (#277) (@vweevers)
• Allow nullish and empty range options (#277) (@vweevers)

Added

• Add node 10 to Travis (@ralphtheninja)
• Add airtap for browser tests (@vweevers)

Changed

• Update sinon to ^5.0.0 (@ralphtheninja)
• Tweak README (@ralphtheninja)
• Replace const with var to support IE10 (@vweevers)

Removed

• Remove node 4, 5 and 7 from Travis (@ralphtheninja)
• Remove TypeScript tests (@vweevers)
• Remove TypeScript typings (@ralphtheninja)

Changed

• Update ts-node to ^5.0.0 (@zixia)
• Update standard to ^11.0.0 (@ralphtheninja)

Fixed

• Remove invalid TypeScript from Batch (@Tapppi)
• Add JSDoc to incorrectly inferred TypeScript types (@Tapppi)

Fixed

• Fix iterator#next to return this (@vweevers)

Added

• Run test suite in TypeScript in addition to Node.js (@vweevers)
• Add TypeScript smoke test (@vweevers)
• Add TypeScript readme section with stability badge (@vweevers)

Fixed

• Update TypeScript typings for v4 (@vweevers)
• Use ES6 classes in tests to please TypeScript (@vweevers)
• Define default methods on prototype to please TypeScript (@vweevers)

Removed

• Remove obsolete parameters from tests (@vweevers)

Historical Note This was released as a patch because it only changed tests
and TypeScript typings (which are marked experimental and don't follow semver).

Added

• standard for linting (#150) (@ralphtheninja)
• tests to make sure callbacks are called async (@vweevers)
• tests for serialization extensibility (@vweevers)
• @vweevers to contributors (@ralphtheninja)
• upgrade guide in UPGRADING.md (@ralphtheninja)
• node 9 to travis (@ralphtheninja)

Changed

• AbstractLevelDOWN#_setupIteratorOptions ignores empty range options (@ralphtheninja)
• Make testCommon.js the default value for testCommon parameter (@ralphtheninja)
• Use Buffer.isBuffer() instead of AbstractLevelDOWN#isBuffer (@ralphtheninja)
• Major cleanup of iterator tests (#161) (@ralphtheninja)
• Pass on test function as a parameter instead of setting local global (@ralphtheninja)
• Assert type is 'put' or 'del' in batch (@vweevers)
• Assert batch array elements are objects (@vweevers)

Fixed

• Ensure stores are closed properly (fixes problems on Windows) (@ralphtheninja)
• Call back errors on next tick to avoid zalgo (@vweevers)

Removed

• Remove isLevelDOWN function and corresponding tests (@ralphtheninja)
• Remove AbstractLevelDOWN#approximateSize method and corresponding tests (@ralphtheninja)
• Remove testBuffer in abstract/put-get-del-test.js (@ralphtheninja)
• Remove object value test in abstract/put-test.js (@vweevers)
• Remove serialize buffer tests (@vweevers)
• Remove serialize object tests (@vweevers)
• Remove BufferType parameter in abstract/put-get-del-test.js, use Buffer (@ralphtheninja)

Added

• Add node version badge (@vweevers)

Fixed

• Fix errors in index.d.ts (@sandersn)

Removed

• Drop support for 0.12. Cause for new major version! (@vweevers)