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Plan 016 B2, phase 1. Below 600px the grid drops its sidebar column, `bottom-nav` becomes the primary navigation, and the shell fits the viewport instead of scrolling sideways out of it. 600 rather than the sidebar's own 900, because 900 is a laptop and the answer there is a narrower sidebar, which is still a sidebar. Under 600 there is no room for one at all: 360px of viewport over a 200px nav is not a layout. **The tab bar is four destinations and a way to everything else.** Three to five is where touch targets stop being thumb-sized -- eleven over 360px is 32px each -- so the four are the ones plan 016's subset says a phone is for, and "More" opens the *existing* `app-sidebar` in a drawer rather than listing the destinations a second time. Two lists is two places to add the next view to. That reuse has a cost this found the hard way: a shared component brings its `data-testid`s with it, so rendering the drawer's sidebar unconditionally put a second `nav-home` (and ten siblings) in the DOM and **failed 30 existing specs** with "resolved to 2 elements" -- on a desktop viewport, where this element is `display: none` and the drawer can never open. It renders only while the drawer is open, and the component test asserts the absence, because the failure is invisible from inside the component and lands in files nobody touched. **What made the shell overflow was minimums, not padding.** Measured at 360px: the body was 652px wide, because a `min-width` in a flex row is a hard floor and a grid item's implicit minimum is its content. So `min-width: 0` on the boxes between the viewport and the content, and each component stands its own non-essential parts down in its *own* stylesheet -- search-bar's 200px floor, job-indicator's label (the visible one; the live region that announces it is untouched), audio-player's seek bar and volume. A media query inside a shadow root is answered by the viewport, so this is the component saying what it drops rather than the shell reaching in. Volume goes because the hardware keys own it on a phone, which is the same reason mediacontrols' Android handler implements no volume callback. Seeking goes because 4px is not a thumb target; it belongs to the full-screen now-playing view, which is the next phase. An existing spec therefore asserts the opposite of what it did: layout-overflow's 320px case used to require that the 464px behind `overflow: hidden` could be *scrolled to*, which was the remedy available while the shell had one layout. It reflows now -- 320px in a 320px viewport, exactly -- and reflow is what WCAG 1.4.10 asked for.
YellowJacket Frontend
This directory contains the frontend for YellowJacket.
Dependencies
There are a couple of tools that are required to build and use the frontend.
vitefor- transpiling typescript
- bundling the final "package" that is useb by the webview
- running a dev server with hot-reloading
- configured with the
vite.config.tsfile in this directory
pnpmfor managing frontend dependency packages
There are a handful of dependency packages that we use directly in the frontend.
picocssfor basic CSS while developinglitfor a simple but powerful wrapper around Web Components
Lastly, there are some dependencies that only benefit development
tsservercomes bundled with vscode and can be used as an LSP with other editors usingtypescript-language-server- Used for autocomplete, syntax highlighting, etc.
- This can be configured with the
tsconfig.jsonfile in the root of the project- NOTE: your configuration should align with the
viteconfig so you get in-editor feedback that aligns with how the build will be done.
- NOTE: your configuration should align with the
Development
Ideally, you would use the frontend in the wails app as the frontend depends on the Go bindings generated by Wails.
You can do this by running wails dev in the root of the YellowJacket repo.
If you want to run the frontend standalone, make sure the Wails go bindings have been generated with wails generate modules.
Then, you can run pnpm dev to run the vite dev server.
For more information on what commands are available, refer to package.json.
Code
Web Components
Our frontend is based off of Web Components, a standard that provides native browser encapsulation of components that can include HTML, CSS and Javascript all together.
Instead of writing these components manually in Javascript, we utilize lit as a wrapper library.
Typescript
To better integrate with our tooling and to provide a better developer experience with strong typing, we have written all functional frontend code in Typescript. Vite serves as our Typescript transpiler.
Important Files and Directories
NOTE: most of these directories have aliases defined in tsconfig.json and vite.config.ts so that we may refer to them by shorthand when importing.
index.htmlandindex.jsis the entrypoint for the frontend. The first page that loads.wailsjs/goGo code bindings generated by wails reside herewailsjs/runtimethe Wails runtime code needed to use Wails featuressrcall app code resides heresrc/assetsstatic assets like fonts, images and iconssrc/componentslit components that are used to compose the applicationsrc/pagespages that serve as other entrypoints for the application that can be navigated to