- detect opportunity to insert new vnode earlier for more efficient DOM manipulation ([#1106](https://github.com/snabbdom/snabbdom/issues/1106)) ([4383817](https://github.com/snabbdom/snabbdom/commit/438381794e2e664d9eb4970f0a46618635cf75e1)), closes [#1099](https://github.com/snabbdom/snabbdom/issues/1099)
- work around bug in ts-add-js-extension ([#1105](https://github.com/snabbdom/snabbdom/issues/1105)) ([649c760](https://github.com/snabbdom/snabbdom/commit/649c760f79a00a1a484a6258d74b27adcfcf69d0)), closes [#1087](https://github.com/snabbdom/snabbdom/issues/1087) [#1102](https://github.com/snabbdom/snabbdom/issues/1102)
- correct minimum node version to one that supports modules ([#1085](https://github.com/snabbdom/snabbdom/issues/1085)) ([5fa4e84](https://github.com/snabbdom/snabbdom/commit/5fa4e8480814401a18b90dca8d48069eed32d097))
- detect window.requestAnimationFrame function before calling ([#1082](https://github.com/snabbdom/snabbdom/issues/1082)) ([ba080f5](https://github.com/snabbdom/snabbdom/commit/ba080f5a4df1437fb6a208c871411c7420df5b4c))
- handle falsy values correctly in the dataset and style modules ([#1094](https://github.com/snabbdom/snabbdom/issues/1094)) ([60c6041](https://github.com/snabbdom/snabbdom/commit/60c604159038680cdd70d9725d2a209746569bb8)), closes [#303](https://github.com/snabbdom/snabbdom/issues/303) [#1093](https://github.com/snabbdom/snabbdom/issues/1093)
- minor typo in code comment ([#1043](https://github.com/snabbdom/snabbdom/issues/1043)) ([794f6c2](https://github.com/snabbdom/snabbdom/commit/794f6c210d25d6b095154b559828292359e1d298))
- patch should apply textNodes ([#1062](https://github.com/snabbdom/snabbdom/issues/1062)) ([404b753](https://github.com/snabbdom/snabbdom/commit/404b7536546b5a0ca117a38585caf2b5a58e82c5)), closes [#971](https://github.com/snabbdom/snabbdom/issues/971) [#972](https://github.com/snabbdom/snabbdom/issues/972)
- optimise detection of data and svg names ([#1058](https://github.com/snabbdom/snabbdom/issues/1058)) ([71813ff](https://github.com/snabbdom/snabbdom/commit/71813ff5583a01813296a4604326f47f7c2dfb15))
- allow String and Number objects to be used as children ([#979](https://github.com/snabbdom/snabbdom/issues/979)) ([19d1d29](https://github.com/snabbdom/snabbdom/commit/19d1d29260e63e49b619e7a2abe2e1def08dda57)), closes [#977](https://github.com/snabbdom/snabbdom/issues/977)
- avoid className check to handle SVG elements within shadow DOM ([#966](https://github.com/snabbdom/snabbdom/issues/966)) ([95fa8ad](https://github.com/snabbdom/snabbdom/commit/95fa8ad6b6957adfbbd6d080ffc82a9381ae19fc)), closes [#965](https://github.com/snabbdom/snabbdom/issues/965)
All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
- **examples:** example import paths ([8111f62](https://github.com/snabbdom/snabbdom/commit/8111f6234a70840673412da6cd37a726a7c839f8)), closes [#761](https://github.com/snabbdom/snabbdom/issues/761)
- **examples:** totalHeight 0 on remove last element reorder animation ([afa77c0](https://github.com/snabbdom/snabbdom/commit/afa77c04d4ab959a5f2bb5853e5dd821c744843f))
- **package:** remove directories field ([c7a2a93](https://github.com/snabbdom/snabbdom/commit/c7a2a93f5a2ed63bd76130e5e3d3769a9f1c1c58))
- **commitlint:** add type auto and scope deps for renovate ([b56a0ac](https://github.com/paldepind/snabbdom/commit/b56a0ac796a3c27644f8332278a7cbb9d24a95c6))
- **commitlint:** fix and enable in CI ([f8cf5cc](https://github.com/paldepind/snabbdom/commit/f8cf5ccba402cbbf6982da681db8707fd12fc8d4)), closes [#662](https://github.com/paldepind/snabbdom/issues/662)
- **deps:** update dependency @typescript-eslint/eslint-plugin to v3.3.0 ([9448e42](https://github.com/paldepind/snabbdom/commit/9448e4267cf077890deb0deb32c3200e4d19a213))
- **deps:** update dependency tsconfigs to v5 ([eb1ec8c](https://github.com/paldepind/snabbdom/commit/eb1ec8c280544a322fc9844c255b8ec5c8e004c6))
- **deps:** update dependency typescript to v3.9.5 ([5e24b20](https://github.com/paldepind/snabbdom/commit/5e24b20a52a8c20ed82e3fc7d20977262016731a))
- **git:** ignore each test artifact specifically ([b34e9a9](https://github.com/paldepind/snabbdom/commit/b34e9a9d3a8096c2c5cd7eebeafba0e52ed08a75))
- **package:** consistent values in files field ([6fe56f8](https://github.com/paldepind/snabbdom/commit/6fe56f8538f6e0073d458d7a8e21c8d469c0a9df)), closes [#672](https://github.com/paldepind/snabbdom/issues/672)
- **typescript:** package and tests are two projects ([8a71211](https://github.com/paldepind/snabbdom/commit/8a71211b4a38616c9d90bc9214e116d1b3e869b5))
- **vscode:** eslint.validate short forms ([ba3e85b](https://github.com/paldepind/snabbdom/commit/ba3e85bf90f77254fad08435d484e19f836c6783))
- **vscode:** use workspace typescript ([eabbd2f](https://github.com/paldepind/snabbdom/commit/eabbd2f056b40e5e9376ccf94c9a6f9177bd020a))
- **docs:** provide a release changelog ([616df35](https://github.com/paldepind/snabbdom/commit/616df35909f1d639d562418ea32122625104b00c)), closes [#670](https://github.com/paldepind/snabbdom/issues/670)
- **exports:** main export provided ([3becd84](https://github.com/paldepind/snabbdom/commit/3becd84cc1dcfb84e2ee292eab18aae36e415040)), closes [#682](https://github.com/paldepind/snabbdom/issues/682)
- **exports:** only named exports ([fefd141](https://github.com/paldepind/snabbdom/commit/fefd141f5f3567bb6dccbd6c43ce81f285f985bd)), closes [#522](https://github.com/paldepind/snabbdom/issues/522) [#523](https://github.com/paldepind/snabbdom/issues/523)
- **exports:** relative values in exports field ([187088e](https://github.com/paldepind/snabbdom/commit/187088ee0ebfaed2e84a992bdde50d207131ec29)), closes [#674](https://github.com/paldepind/snabbdom/issues/674)
- **exports:** remove package.json main field ([3122eec](https://github.com/paldepind/snabbdom/commit/3122eec9b98ffdf52fd31ceb2ced17c219e25042)), closes [#680](https://github.com/paldepind/snabbdom/issues/680)
- **exports:** remove the /snabbdom.bundle path ([c862993](https://github.com/paldepind/snabbdom/commit/c8629933599b3fdf3ea774f3ce67517908b79d8d))
- **exports:** replaced main export path with init ([09f2d1c](https://github.com/paldepind/snabbdom/commit/09f2d1ca5a16fd0b402209d90e58b97998efacef)), closes [#522](https://github.com/paldepind/snabbdom/issues/522)
- **package:** no module field ([2b30e25](https://github.com/paldepind/snabbdom/commit/2b30e25f0d261d2d7f37127bda0c235b0a5acf57)), closes [#681](https://github.com/paldepind/snabbdom/issues/681)
- **props:** do not attempt to delete node properties ([6f316c1](https://github.com/paldepind/snabbdom/commit/6f316c141b43ccb1c2c355ab8d0c499984154ef1)), closes [#623](https://github.com/paldepind/snabbdom/issues/623) [#283](https://github.com/paldepind/snabbdom/issues/283) [#415](https://github.com/paldepind/snabbdom/issues/415) [#307](https://github.com/paldepind/snabbdom/issues/307) [#151](https://github.com/paldepind/snabbdom/issues/151) [#416](https://github.com/paldepind/snabbdom/issues/416)
- **typescript:** do not redeclare Element.setAttribute(NS) ([0620b5e](https://github.com/paldepind/snabbdom/commit/0620b5eda03cd124d4bd743660cb376b0d75a0a3)), closes [#615](https://github.com/paldepind/snabbdom/issues/615)
- do not provide UMD bundles ([8e24bbf](https://github.com/paldepind/snabbdom/commit/8e24bbf016ff5cc0afb2759ec2e4b745921ee453)), closes [#498](https://github.com/paldepind/snabbdom/issues/498) [#514](https://github.com/paldepind/snabbdom/issues/514) [#481](https://github.com/paldepind/snabbdom/issues/481)
- only esm and correct import paths ([dad44f0](https://github.com/paldepind/snabbdom/commit/dad44f0d632d344ca13ee8430d941c26a53d5c2a)), closes [#516](https://github.com/paldepind/snabbdom/issues/516) [#437](https://github.com/paldepind/snabbdom/issues/437) [#263](https://github.com/paldepind/snabbdom/issues/263)
- Improvements to TypeScript types #364. Thanks to @gfmio.
- In some cases and browsers the style module would cause elements to not be removed correctly #367. Thanks to @jvanbruegge for fixing this tricky bug.
The way Snabbdom handles boolean attributes in the attributes module has been changed. Snabbdom no longer maintains a list of known boolean attributes. Not relying on such a list means that custom boolean attributes are supported, that performance is slightly better, and that the list doesn't have to be kept up to date.
Whether or not to set a boolean attribute is now determined by looking at the value specified for the attribute. If the value is a boolean (i.e. strictly equal to `true` or `false`) it will be handled as a boolean attribute. If you're currently setting boolean attributes with booleans then this change does not affect you.
The example above will result in the HTML: `<div foo bar="baz" />`. Even if `bar` is actually a boolean attribute. So for instance `h("input", { attrs: { required: 12 } })` will no longer set a boolean attribute correctly.
Previously `h("input", { attrs: { required: 0 } })` would result in the HTML `<input>` since `required` was a know boolean attribute and `0` is falsey. Per the new behavior the HTML will be `<input required="0">`. To accomidate for the change always give boolean values for boolean attributes.
- Fix error when class is set by vdom selector in SVG, https://github.com/snabbdom/snabbdom/issues/217. Thanks to @caesarsol
- Fix hyperscript to support undefined or null children in TypeScript, https://github.com/snabbdom/snabbdom/issues/226. Thanks to @ornicar
- Fix thunk function so it is not called redundantly, https://github.com/snabbdom/snabbdom/pull/273. Thanks to @caesarsol
- Improve TypeScript types of VNode props, https://github.com/snabbdom/snabbdom/issues/264 and https://github.com/snabbdom/snabbdom/issues/264. Thanks to @mightyiam
- The attributes module sets boolean attributes correctly according to the specificaiton. https://github.com/snabbdom/snabbdom/issues/254. Thanks to @PerWiklander for reporting the bug.
The biggest change in this release is that the Snabbdom source code has been ported to TypeScript. The work has been primarily done by @staltz. This brings much improved support for using Snabbdom in TypeScript projects.
**Note**: This release contains breaking changes. See below.
- Support for CSS variables. #195. Thanks to @jlesquembre.
- Allow `h(sel, data, node)` and `h(sel, node)` shortcut notations in the `h` function. #196. That is, instead of `h('div', [child])` one can now do `h('div', child)`. Thanks to @AlexGalays.
- Fix custom element creation when tag name begins with 'svg'. #213. Thanks to @tdumitrescu.
- Fix bug related to updating one child with same key but different selector. #188. Thanks to @zhulongzheng.
- Strings can be used as children inside SVG elements. #208. Thanks to @jbucaran and @jbucaran.
- Use `parentNode` fixing bug in IE 11. #210. Thanks to @aronallen.
## Breaking changes
The TypeScript rewrite uses the `import` and `export` features introduced in ECMAScript 2015. Unfortunately the ES imports have no analogy to the CommonJS pattern of setting `module.exports`. This means that the Snabbdom modules that previously used this feature now have to be imported in a slightly different way.
This release contains a new thunk implementation that solves many issues with the old thunk implementation. The thunk API has changed slightly. Please see the [thunks](https://github.com/paldepind/snabbdom#thunks) section in the readme.
