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Web component browser APIs aren't that many, and not that hard to grasp (if you don't know about them, have a look at Google's Learn HTML section and MDN's Web Components guide); but creating a web component actually requires taking care of many small things. This is where web component libraries come in very handy, freeing us of having to think about some of those things by taking care of them for us. Most of the things I'll mention here are handled one way of another by other libraries (GitHub's Catalyst, Haunted, Hybrids, Salesforce's LWC, Slim.JS, Ionic's Stencil) but I'll focus on Google's Lit and Microsoft's FAST here as they probably are the most used web component libraries out there (ok, I lied, Lit definitely is, FAST not that much, far behind Lit and Stencil; but Lit and FAST have many things in common, starting with the fact that they are just native web components, contrary to Stencil that compiles to a web component). Both Lit and FAST leverage TypeScript decorators to simplify the code even further so I'll use that in examples, even though they can also be used in pure JS (decorators are coming to JS soon BTW). I'll also leave the most apparent yet most complex aspect for the end.
Web component browser APIs aren't that many, and not that hard to grasp (if you don't know about them, have a look at Google's Learn HTML section and MDN's Web Components guide); but creating a web component actually requires taking care of many small things. This is where web component libraries come in very handy, freeing us of having to think about some of those things by taking care of them for us. Most of the things I'll mention here are handled one way of another by other libraries (GitHub's Catalyst, Haunted, Hybrids, Salesforce's LWC, Slim.JS, Ionic's Stencil) but I'll focus on Google's Lit and Microsoft's FAST here as they probably are the most used web component libraries out there (ok, I lied, Lit definitely is, FAST not that much, far behind Lit and Stencil; but Lit and FAST have many things in common, starting with the fact that they are just native web components, contrary to Stencil that compiles to a web component). Both Lit and FAST leverage TypeScript decorators to simplify the code even further so I'll use that in examples, even though they can also be used in pure JS (decorators are coming to JS soon BTW). I'll also leave the most apparent yet most complex aspect for the end.
Web component browser APIs aren't that many, and not that hard to grasp (if you don't know about them, have a look at Google's Learn HTML section and MDN's Web Components guide); but creating a web component actually requires taking care of many small things. This is where web component libraries come in very handy, freeing us of having to think about some of those things by taking care of them for us. Most of the things I'll mention here are handled one way of another by other libraries (GitHub's Catalyst, Haunted, Hybrids, Salesforce's LWC, Slim.JS, Ionic's Stencil) but I'll focus on Google's Lit and Microsoft's FAST here as they probably are the most used web component libraries out there (ok, I lied, Lit definitely is, FAST not that much, far behind Lit and Stencil; but Lit and FAST have many things in common, starting with the fact that they are just native web components, contrary to Stencil that compiles to a web component). Both Lit and FAST leverage TypeScript decorators to simplify the code even further so I'll use that in examples, even though they can also be used in pure JS (decorators are coming to JS soon BTW). I'll also leave the most apparent yet most complex aspect for the end.
Web component browser APIs aren't that many, and not that hard to grasp (if you don't know about them, have a look at Google's Learn HTML section and MDN's Web Components guide); but creating a web component actually requires taking care of many small things. This is where web component libraries come in very handy, freeing us of having to think about some of those things by taking care of them for us. Most of the things I'll mention here are handled one way of another by other libraries (GitHub's Catalyst, Haunted, Hybrids, Salesforce's LWC, Slim.JS, Ionic's Stencil) but I'll focus on Google's Lit and Microsoft's FAST here as they probably are the most used web component libraries out there (ok, I lied, Lit definitely is, FAST not that much, far behind Lit and Stencil; but Lit and FAST have many things in common, starting with the fact that they are just native web components, contrary to Stencil that compiles to a web component). Both Lit and FAST leverage TypeScript decorators to simplify the code even further so I'll use that in examples, even though they can also be used in pure JS (decorators are coming to JS soon BTW). I'll also leave the most apparent yet most complex aspect for the end.