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lit is a library for building Web Components. It is released under the BSD 3-Clause license. Website: https://lit.dev/ GitHub: https://github.com/lit/lit/ Differential Revision: https://phabricator.services.mozilla.com/D159765
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Vendoring for lit
lit can be used to help create Web Components.
The lit.all.mjs bundle
The lit package is imported in a vendoring step and the contents are extracted into the lit.all.mjs file. This has some differences from using lit in a regular npm project. Imports that would normally be into a specific file are pulled directly from the lit.all.mjs file.
eg.
// Standard npm package:
import { LitElement } from "lit";
import { classMap } from "lit/directives/class-map.js";
// Using lit.all.mjs (pathing to lit.all.mjs may differ)
import { classMap, LitElement } from "../vendor/lit.all.mjs";
## To update the lit bundle
Vendoring runs off of the latest tag in the https://github.com/lit/lit repo. If
the latest tag is a lit@ tag then running the vendor command will update to that
version. If the latest tag isn't for lit@, you may need to bundle manually. See
the moz.yaml file for instructions.
### Using mach vendor
./mach vendor toolkit/content/vendor/lit/moz.yaml hg ci -m "Update to lit@"
### Manually updating the bundle
To manually update, you'll need to checkout a copy of lit/lit, find the tag you
want and manually run our import commands.
1. Clone https://github.com/lit/lit outside of moz-central
2. Copy *.patch from this directory into the lit repo
3. git apply *.patch
4. npm install && npm run build
5. Copy packages/lit/lit-all.min.js to toolkit/content/widgets/vendor/lit.all.mjs
6. hg ci -m "Update to lit@<version>"