Component Oriented MVC Framework with virtual DOM and CSS. 

Component Oriented MVC Framework with virtual DOM and CSS

bobris

bobril

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Fixed performance regression in reconciliation.

Do not move "B" in "AB" => "BC" reconciliation.

Disabled inputs are not considered focusable.

Sprite with recolor to #rrggbb00 was wrongly opaque instead of fully transparent.

Attempt to fix missing sprite in styleDef.

New function `setAllowInvalidateStyles` which allows to speed up app startup by lowering number of rebuilding styles.

Added optional `slot` property into `wrapWebComponents` function to be able use named slots in wrapped web components.

Fixed regression in 20.1.0 when sprite was directly used in styleDef.

Create dynamically colored sprites lazily only when used by `b.style`. Should make first start of big applications much faster.

Maybe sprite speed up by remembering ImageData instead of Image.

Click and DblClick events are not listened in Capture phase which increase compatibility with web components.

New method `addEventListeners` needs to be called when using Bobril nodes in 3rd party library which prevents bubbling of various browser events. You will want to usually call together with `addRoot`.

Removed now unused feature of isArray customization, Bobx now uses Proxies which makes them Array.isArray compatible.

Made useState compatible with ES2015 spread.

Fixed refs when switched instances during one render.

Custom events in WebComponent wrapper making it complete.

Added basic support for wrapping Web Components (custom events will be added in next version).

Removed compatibility with IE11 and old Edge.

Removed definition of `Thenable<T>` replace by `PromiseLike<T>` if you used it.

Css update was moved from before frame to after frame to prevent unstyled icons.

`useCanDeactivate` new hook with limitation only one per component.

`key` and `ref` are deleted from props in TSX.

Fixed compatibility with TypeScript 4.3.4

New hooks `useIsFocused()` and `useIsMouseOver()`. They return true if any child of current component has such state.

New function `shouldBeFocusVisible()` which returns true if last user interaction was by keyboard.

Effect hooks now working in dynamic style contexts.

    "description": "Component Oriented MVC Framework with virtual DOM and CSS",

        "prepublishOnly": "prettier --write index.ts && prettier --write -c src && prettier --write -c spec && bb test",

            "noFallthroughCasesInSwitch": true,

            "noUncheckedIndexedAccess": true,

            "noPropertyAccessFromIndexSignature": true,

        "url": "https://github.com/Bobris/Bobril.git",

![Bobril Logo](https://raw.githubusercontent.com/Bobris/Bobril/master/logo.png)

[![npm version](https://badge.fury.io/js/bobril.svg)](https://badge.fury.io/js/bobril)

Changelog of npm version: https://github.com/Bobris/Bobril/blob/master/CHANGELOG.md

Component oriented framework inspired by ReactJs (Virtual DOM, components with state) and Mithril (small size, more complete framework). Compared to ReactJS Added speeeed, autoprefixer, CSS in JS, router, additional livecycle methods, only rAF based repaint.

Bobril ignores Isomorphic JavaScript, because it would increase size and is not needed for SEO anyway (Google bot supports JavaScript). Client applications are expected to be written in TypeScript.

Because it is heavily used in production, backward compatibility is king. Any new feature must be optional or its perceived value to minified size ratio must be high enough.

It is intended to be used with [bobril-build](https://github.com/Bobris/bbcore).

Old Examples: http://bobris.github.io/Bobril/

For modern code look at Bobril Material: https://github.com/Bobril/Bobril-m

[![Bobril tutorial](https://i.ytimg.com/vi/OV6Su7wauVA/hqdefault.jpg?sqp=-oaymwEXCNACELwBSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLC3ND2Ig4ihIKtsV8xe4BVXztqQ9w)](https://www.youtube.com/playlist?list=PLNswFMwJJR39BvE5NuYmEiVvUmzwhZqZa)

See it in vdom-benchmarks: http://vdom-benchmark.github.io/vdom-benchmark/

Chrome plugin to help you to inspect running Bobril application: https://chrome.google.com/webstore/detail/clouseau/npfemnefhbkiahihigplihehpbgkbhbj

(Github source for it is here: https://github.com/klesta490/bobril-clouseau)

-   Small - whole sample applications fits into 17kb gzipped.

-   Interesting component lifecycle callbacks

-   Components remember state in VDom cache

-   Components does not need to be HTML Elements - where is component(0-1) to HTMLNode(0-n) mapping

-   Support for partial invalidates for even faster redraws

-   automatic passing of global configuration/context to children

-   automatic adding of "px" to length like inline style

-   reference to children nodes ala React

-   style as function which behaves like mini component with its own context

-   OnChange event and value attribute normalization

-   Router inspired by https://github.com/rackt/react-router/

-   Focus, Blur, FocusIn, FocusOut events

-   Transparently add vendor prefixes for inline styles

-   Drag and Drop - multi touch, allows animating drag, state of the art as usual

-   Style - create css dynamically for even faster speed, allow recomputing styles for theming

-   PNG Sprites with dynamic change of color

[bobril-g11n](https://github.com/Bobris/bobril-g11n)

-   Globalization - behind uses moment.js, bobril-build extracts texts for localization from TypeScript source.

-   Mobx like state management with deep integration with Bobril.

[bobflux](https://github.com/karelsteinmetz/bobflux)

-   Flux implementation for Bobril (Though BobX is preferred way)

[bobril-m-icons](https://github.com/bobril/bobril-m-icons)

Whole simple applications including Bobril could fit into 17kb gzipped. Bobril-build does dead-code elimination and module flattening.

For helping writing TypeScript you can use VSCode.

If you want to work on something create bug with description, so work is not duplicated.

		# CHANGELOG

		## 20.4.1

		Fixed performance regression in reconciliation.

		## 20.4.0
		@@ -4,0 +8,0 @@

		{
		"name": "bobril",
		"version": "20.4.0",
		"version": "20.4.1",
		"description": "Component Oriented MVC Framework with virtual DOM and CSS",
		@@ -5,0 +5,0 @@ "main": "index.js",

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