Making Web Component properties behave closer to the platform

• gecko-dev

  78 3,159 10.0

  Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html

  

You can see how Mozilla tests the compliance of their built-in elements in the Gecko repository (the ok and is assertions are defined in their SimpleTest testing framework). And here's the Web Platform Tests' reflection harness, with data for each built-in element in sibling files, that almost every browser pass.

• fast

  38 9,074 7.4 TypeScript

  The adaptive interface system for modern web experiences.

  

I know FAST is not used that much but I wanted to cover it as it seems to be the only library that reflects attributes by default. By default it won't do any type coercion unless you use the mode: "boolean", which works almost like an HTML boolean attribute, except an attribute present but with the value "false" will coerce to a property value of false!

• SurveyJS

  surveyjs.io featured

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• wpt

  20 4,663 10.0 HTML

  Test suites for Web platform specs — including WHATWG, W3C, and others

  

You can see how Mozilla tests the compliance of their built-in elements in the Gecko repository (the ok and is assertions are defined in their SimpleTest testing framework). And here's the Web Platform Tests' reflection harness, with data for each built-in element in sibling files, that almost every browser pass.

• stencil

  55 12,338 9.9 TypeScript

  A toolchain for building scalable, enterprise-ready component systems on top of TypeScript and Web Component standards. Stencil components can be distributed natively to React, Angular, Vue, and traditional web developers from a single, framework-agnostic codebase.

  

First a disclosure: I never actually used Stencil, only played with it a bit locally in a hello-world project while writing this post.

• material-web

  10 8,774 9.7 TypeScript

  Material Design Web Components

  

For example, all the following design systems can be used without tooling (some of them provide ready-to-use bundles, others can be used through import maps): Google's Material Web, Microsoft's Fluent UI, IBM's Carbon, Adobe's Spectrum, Nordhealth's Nord, Shoelace, etc.

• office-ui-fabric-react

  29 17,830 9.9 TypeScript

  Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

  

For example, all the following design systems can be used without tooling (some of them provide ready-to-use bundles, others can be used through import maps): Google's Material Web, Microsoft's Fluent UI, IBM's Carbon, Adobe's Spectrum, Nordhealth's Nord, Shoelace, etc.

• shoelace-css

  73 12,151 9.5 TypeScript

  A collection of professionally designed, every day UI components built on Web standards. SHOELACE IS BECOMING WEB AWESOME 👇👇👇

  

For example, all the following design systems can be used without tooling (some of them provide ready-to-use bundles, others can be used through import maps): Google's Material Web, Microsoft's Fluent UI, IBM's Carbon, Adobe's Spectrum, Nordhealth's Nord, Shoelace, etc.

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• proposal-decorators

  65 2,675 4.2

  Decorators for ES6 classes

  

Because many rules are common to many attributes (the coerceType operation is defined by WebIDL, or using similar rules, and the HTML specification defines a handful of microsyntaxes for the parseValue and stringifyValue operations), those could be packaged up in a helper library. And with decorators coming to ECMAScript (and already available in TypeScript), those could be greatly simplified:

• spectrum-web-components

  15 1,194 9.8 TypeScript

  Spectrum Web Components

  

For example, all the following design systems can be used without tooling (some of them provide ready-to-use bundles, others can be used through import maps): Google's Material Web, Microsoft's Fluent UI, IBM's Carbon, Adobe's Spectrum, Nordhealth's Nord, Shoelace, etc.

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