CHANGELOG.md

Changelog

7.2.0 - 2021-09-28

Added

• Add db.getMany(keys) (#381) (e4445a7) (Vincent Weevers).

7.1.0 - 2021-09-21

Added

• Support for await...of db.iterator() (#379) (372695f) (Vincent Weevers)

7.0.0 - 2021-04-09

If you are upgrading: please see UPGRADING.md.

Changed

• Replace immediate shim with smaller queue-microtask (a00e3ed) (Vincent Weevers).
• Remove need for full buffer shim (except in test suite) (8f79234) (Vincent Weevers)
• Bump level-concat-iterator and level-supports (0b5e1a3) (Vincent Weevers)
• Breaking: drop support of Safari 11 (7c4cce6) (Vincent Weevers)
• Modernize syntax and bump standard from 14.x to 16.x (cfe8040) (Vincent Weevers)
• Replace xtend dependency with Object.assign() (9d4171f) (Vincent Weevers)
• Breaking: remove legacy range options (start & end) (979d34f) (Level/community#86) (Vincent Weevers)
• Breaking: drop support of stock Android browser (AOSP) (a1fd94e) (Vincent Weevers)
• Breaking: drop node 6 and 8 (1beee24) (Vincent Weevers)
• Breaking (for browsers): bump buffer from 5.x to 6.x (#373) (f62f38b) (Alex Potsides).

Added

• Support arbitrary options on chained batch put() and del() (ba144b2) (Level/levelup#633) (Vincent Weevers).

6.3.0 - 2020-04-11

Changed

• Upgrade devDependency dependency-check from ^3.3.0 to ^4.1.0 (9193656) (@vweevers)

Added

• Support running test suite on a levelup db, as well as skipping start and end tests (for multileveldown) (#364) (@vweevers)

6.2.3 - 2020-04-03

Changed

• Upgrade airtap devDependency from ^2.0.0 to ^3.0.0 (#360) (@vweevers)

Fixed

• Add buffer and immediate for browsers (#355, #362, #363) (@Raynos, @hugomrdias, @vweevers)

6.2.2 - 2019-10-21

Added

• Add more range tests (#353) (@vweevers)

6.2.1 - 2019-10-01

Fixed

• Fix manifest-test to open & close its db (#352) (@vweevers)

6.2.0 - 2019-09-30

Changed

• Upgrade hallmark devDependency from ^1.0.0 to ^2.0.0 (#349) (@vweevers)
• Upgrade standard devDependency from ^13.0.1 to ^14.0.0 (#348) (@vweevers)

Added

• Add manifest (Level/community#83) (#351) (@vweevers)
• Document mandatory methods (#350) (@vweevers)

6.1.1 - 2019-08-18

Fixed

• Remove process.emitWarning because it breaks AppVeyor builds (8e963c3) (@vweevers)

6.1.0 - 2019-08-18

Changed

• Upgrade hallmark devDependency from ^0.1.0 to ^1.0.0 (#343) (@vweevers)
• Upgrade standard devDependency from ^12.0.0 to ^13.0.1 (#341) (@vweevers)

Added

• Add experimental clear() method to delete all entries or a range (#310) (@vweevers).

6.0.3 - 2019-04-26

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)

6.0.2 - 2019-03-30

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)

6.0.1 - 2018-12-27

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)

6.0.0 - 2018-10-20

If you are upgrading: please see UPGRADING.md.

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)

5.0.0 - 2018-05-22

If you are upgrading: please see UPGRADING.md.

Changed

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

Added

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

Removed

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

4.0.3 - 2018-02-21

Changed

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

Fixed

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

4.0.2 - 2018-02-09

Fixed

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

4.0.1 - 2018-02-09

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

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)

Removed

• Remove obsolete parameters from tests (@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)

4.0.0 - 2018-01-20

If you are upgrading: please see UPGRADING.md.

Changed

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

Added

• Add standard for linting (#150) (@ralphtheninja)
• Test that callbacks are called asynchronously (@vweevers)
• Test serialization extensibility (@vweevers)
• Add @vweevers to contributors (@ralphtheninja)
• Add upgrade guide in UPGRADING.md (@ralphtheninja)
• Add node 9 to Travis (@ralphtheninja)

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)

Fixed

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

3.0.0 - 2017-11-04

If you are upgrading: please see UPGRADING.md.

Added

• Add node version badge (@vweevers)

Removed

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

Fixed

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

2.7.2 - 2017-10-11

Changed

• Update README with new style (@ralphtheninja)

2.7.1 - 2017-09-30

Changed

• Refactor typings as ES2015 module (@MeirionHughes)

2.7.0 - 2017-09-12

Added

• Add TypeScript definitions in index.d.ts (@MeirionHughes)

2.6.3 - 2017-09-05

Changed

• Upgrade dependencies (@ralphtheninja)
• Convert nullish values to empty strings (@bigeasy)
• Use t.equal(a, b) instead of t.ok(a === b) (@bigeasy)
• Relax tests for serializing object in abstract/chained-batch-test.js (@ralphtheninja)

Added

• Add GreenKeeper (@ralphtheninja)
• Test key/value serialization (@bigeasy)
• Test undefined value serializing to empty string (@ralphtheninja)

Fixed

• Document .status property (@ralphtheninja)

2.6.2 - 2017-07-30

Changed

• Upgrade dependencies and float devDependencies (@ralphtheninja)
• Update copyright years (@ralphtheninja)
• Update node versions on Travis (@ralphtheninja)

Added

• Test serialization extensibility (@juliangruber)

Fixed

• Fix put test on object serialization (@juliangruber)

2.6.1 - 2016-09-12

Fixed

• Fix null case in default value serializer (fixes problems in 2.6.0) (@juliangruber)

2.6.0 - 2016-03-10

This release was a breaking change. See @juliangruber's comment for more information.

Changed

• Use proto delegation to patch methods on db (@deanlandolt)
• Allow serialization functions to return buffers (@deanlandolt)

Added

• Add collectBatchOps function to buffer _put and _del inputs in abstract/chained-batch-test.js (@deanlandolt)

Removed

• Remove unnecessary initialization hackery in abstract/chained-batch-test.js (@deanlandolt)

2.5.0 - 2016-05-01

Changed

• Upgrade dependencies and add more node versions to Travis (@ralphtheninja)

Added

• Add dependency badge to README (@ralphtheninja)
• Add AbstractLevelDOWN#_serializeKey (@juliangruber)
• Add AbstractLevelDOWN#_serializeValue (@juliangruber)
• Add AbstractChainedBatch#_serializeKey (@juliangruber)
• Add AbstractChainedBatch#_serializeValue (@juliangruber)
• Test _serialize with object and buffer (@juliangruber)

Removed

• Remove stringification of keys and values (@juliangruber)
• Remove .toBuffer (@juliangruber)

Fixed

• Update memdown url (@ralphtheninja)
• AbstractLevelDOWN#._checkKey does not take three parameters (@ralphtheninja)
• Only show build status for the master branch (@watson)
• Fix minor typos in README (@timkuijsten)

2.4.1 - 2015-08-29

Fixed

• Remove use of const (@nolanlawson)

2.4.0 - 2015-05-19

Added

• Add .status property to AbstractLevelDOWN (@juliangruber)

2.3.1 - 2015-05-18

Added

• Link to level/community (@ralphtheninja)

Removed

• Extract Contributors section from README into level/community (@ralphtheninja)

Fixed

• Document isLevelDown function (@ralphtheninja)

2.3.0 - 2015-05-18

Changed

• Use t.equal(a, b) instead of t.ok(a === b) (@juliangruber)
• Export API from index.js (@ralphtheninja)

Added

• Import isLevelDOWN function to is-leveldown.js (@ralphtheninja)

2.2.2 - 2015-05-13

Fixed

• Revert changes to location in 2.2.1 (@juliangruber)

2.2.1 - 2015-05-12

Fixed

• Copy paste error gave wrong test description (@ralphtheninja)
• t.throws() is different for tape (@ralphtheninja)
• Assert location is not an empty string (@ralphtheninja)

2.2.0 - 2015-05-10

Added

• Test { sync: true } option in abstract/put-test.js (@juliangruber)

2.1.4 - 2015-04-28

Fixed

• Use t.equal() with tape (@ralphtheninja)

2.1.3 - 2015-04-28

Changed

• Change from tap to tape (@ralphtheninja)

2.1.2 - 2015-04-27

Changed

• Convert buffer to string so we can compare (@ralphtheninja)

2.1.1 - 2015-04-27

Changed

• Update logo and copyright (@ralphtheninja)

Added

• Add @ralphtheninja to contributors (@ralphtheninja)
• Add 0.12 and iojs to Travis (@ralphtheninja)

Fixed

• Include .nonErrorValues() test in abstract/put-get-del-test.js (@hden)
• rvagg/node-abstract-leveldown moved to level/abstract-leveldown (@ralphtheninja)
• Fix Travis for 0.8 (@ralphtheninja)

2.1.0 - 2014-11-09

Changed

• Use setTimeout instead of process.nextTick (@bigeasy)

Added

• Add @watson to contributors (@rvagg)

Fixed

• Don't fail if no value is returned by ._get (@watson)
• Use error test function when testing for errors (@watson)

2.0.3 - 2014-10-02

No change.

2.0.2 - 2014-10-02

Added

• Test atomic batch operations (@calvinmetcalf)

2.0.1 - 2014-09-01

Changed

• Set default values for options to .open, .get, .put, .del and .batch (@watson)
• Update pattern for setting default options for the iterator (@watson)
• Allow boolean options to be falsy/truthy (@watson)

Removed

• Remove default options that are too LevelDOWN specific (@watson)

2.0.0 - 2014-08-26

Changed

• Switch to allowing writes of empty values, null, undefined, '', [] and empty buffer (@juliangruber)
• Rename AbstractLevelDOWN#_checkKeyValue to AbstractLevelDOWN#_checkKey (@rvagg)

1.0.0 - 2014-08-24

Changed

• Ensure Boolean iterator options are Boolean (@watson)

Added

• Test that an error is thrown when location isn't a string (@calvinmetcalf)
• Test opening and closing the store (@calvinmetcalf)
• Test iterator with limit set to 0 (@watson)
• Add more tests to abstract/batch-test.js (@calvinmetcalf)
• Set default values of iterator options (@watson)
• Account for batch options that are null (@calvinmetcalf)

Removed

• Remove options.start hackery (@rvagg)

0.12.4 - 2014-08-20

Changed

• Change license to plain MIT (@andrewrk)

Added

• Test that simple-iterator returns buffers (@kesla)
• Test implicit snapshots (@kesla)

0.12.3 - 2014-06-27

Changed

• Upgrade xtend dependency (@andrewrk)

0.12.2 - 2014-04-26

Changed

• Have isTypedArray check for existence of ArrayBuffer and Uint8Array constructors before usage (@rvagg)

0.12.1 - 2014-04-26

Changed

• Set default BufferType in abstract/put-get-del-test.js to Buffer instead of ArrayBuffer (@maxogden)

0.12.0 - 2014-03-12

Changed

• Revert to pure Buffer and remove usage of Uint16Array (@rvagg)

0.11.4 - 2014-03-11

Removed

• Remove duplicate call to t.end() (@maxogden)

0.11.3 - 2014-01-26

Changed

• Loosen the buffer type check (@rvagg)

0.11.2 - 2013-12-05

Added

• Add npm badges (@rvagg)

Fixed

• Fix iterator tests in test.js (@rvagg)

0.11.1 - 2013-11-15

Changed

• Adjust abstract/approximate-size-test.js to account for snappy compression (@rvagg)

0.11.0 - 2013-10-14

Added

• Normalize iterator() options with AbstractLevelDOWN#_setupIteratorOptions (@rvagg)

0.10.2 - 2013-09-06

Changed

• Refactor duplicated versions of isTypedArray into abstract/util.js (@rvagg)
• Refactor duplicated versions of 'NotFound' checks into abstract/util.js, fixed too-strict version in get-test.js (@rvagg)

0.10.1 - 2013-08-29

Changed

• Relax check for Not Found error message to be case insensitive in get-test.js (@rvagg)

Added

• Add @substack to contributors (@rvagg)

0.10.0 - 2013-08-19

Added

• Test gt, gte, lt and lte ranges (@dominictarr)

0.9.0 - 2013-08-11

Changed

• Make AbstractChainedBatch extensible (@kesla)
• Export AbstractChainedBatch from abstract-leveldown.js (@kesla)

Added

• Test simultaneous get's (@kesla)
• Test AbstractChainedBatch extensibility (@kesla)

Fixed

• Fix broken test assertion in abstract/get-test.js (@rvagg)
• Fix tests that weren't running properly (@kesla)

0.8.2 - 2013-08-02

No changes. Merely published changes made in 0.8.1.

0.8.1 - 2013-08-02

The version in package.json was changed from 0.7.4 to 0.8.1. The 0.8.1 tag exists but this version was never published to npm.

Changed

• Remove use of const in testCommon.js (@rvagg)

0.8.0 - 2013-08-02

It seems the version in package.json was never changed to 0.8.0 in the git history, even though the 0.8.0 tag exists. Most likely package.json was modified locally during npm publish but was never committed.

Changed

• Use process.browser check instead of process.title == 'browser' (@rvagg)

Added

• Add BufferType parameter to abstract/put-get-del-test.js for bops support (@rvagg)
• Add isTypedArray function which checks ArrayBuffer or Uint8Array for bops support (@rvagg)

Fixed

• Fix cleanup function not calling back when browserified (@rvagg)

0.7.4 - 2013-08-02

Fixed

• Fix problems related to browserify and rimraf (@rvagg)

0.7.3 - 2013-07-26

Added

• Add @pgte to contributors (@rvagg)
• Test iterator with limit set to -1 (@kesla)

0.7.2 - 2013-07-08

Changed

• Freeze chained batch state after .write() has been called (@rvagg)
• Make NotFound error case insensitive (@rvagg)
• Use self rather than binding functions to this (@juliangruber)

Added

• Add AbstractChainedBatch#_checkWritten (@rvagg)
• Test delete on non-existent key (@rvagg)
• Test iterator with start after database end (@juliangruber)

Fixed

• Don't coerce values to strings in browser (@maxogden)
• Make tests work in node and browser (@maxogden)

0.7.1 - 2013-05-15

Changed

• Adjust tests to be browserable (@rvagg)

0.7.0 - 2013-05-14

Added

• Add AbstractChainedBatch#clear (@rvagg)

0.6.1 - 2013-05-14

Changed

• Make AbstractIterator call back with an error instead of throwing on nexting and ending (@mcollina)

0.6.0 - 2013-05-14

Changed

• Split t.deepEqual() into multiple t.equal() in abstract/iterator-test.js (@rvagg)
• Make AbstractIterator call back with an error instead of throwing on nexting and ending (@mcollina)

0.5.0 - 2013-05-14

Changed

• Make iterator.end(cb) and iterator.next(cb) call back with an error instead of throwing (@mcollina)

0.4.0 - 2013-05-14

Changed

• Move AbstractIterator from abstract-leveldown.js to abstract-iterator.js (@rvagg)

Added

• Add AbstractChainedBatch (@rvagg)
• Add AbstractLevelDOWN#_chainedBatch (@rvagg)
• Add abstract/batch-test.js and abstract/chained-batch-test.js (@rvagg)

0.4.0-1 - 2013-05-14

Added

• Add @No9 and @mcollina to contributors (@rvagg)

0.3.0 - 2013-05-04

Changed

• Use this._checkKeyValue() instead of local function (@rvagg)
• Use this._isBuffer() instead of Buffer.isBuffer() (@rvagg)

Added

• Restore test for opening the database without options (@rvagg)
• Add AbstractLevelDOWN#_isBuffer so it can be overridden (@rvagg)
• Add AbstractLevelDOWN#_checkKeyValue so it can be overridden (@rvagg)

0.2.3 - 2013-05-04

Removed

• Remove test for opening the database without options (@rvagg)

0.2.2 - 2013-05-04

Changed

• Split .open() tests into .open() and .openAdvanced() (@rvagg)

0.2.1 - 2013-05-04

Changed

• Convert values to string in abstract/put-get-del-test.js if Buffer is undefined (@rvagg)

0.2.0 - 2013-05-04

Changed

• Convert values to string in abstract/get-test.js if Buffer is undefined (@rvagg)
• Don't stringify keys and values in abstract/iterator-test.js (@maxogden)

Added

• Add process.browser check for start and end keys in browser (@maxogden)
• Add levelup contributors (@rvagg)

Fixed

• Fix tape compatibility issues (@maxogden)

0.1.0 - 2013-04-23

Added

• Import abstract tests from leveldown (@maxogden)

Fixed

• Clarify README (@rvagg)

0.0.2 - 2013-03-18

Changed

• Export checkKeyValue (@rvagg)

Added

• Add node 0.10 to Travis (@rvagg)
• Add Buffer.isBuffer() checks to keys and values (@rvagg)

0.0.1 - 2013-03-18

Added

• Add checkKeyValue function for more complete error checking (@rvagg)

0.0.0 - 2013-03-15

First release. 🌱