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Two things, and the first was a defect underneath the design question rather than an answer to it. **The album art was never square.** aspect-ratio is specified not to re-derive the width when max-height clamps the height, unlike an intrinsic ratio, which is preserved under both bounds. So a definite `width: min(100%, 60vh)` kept its width while the height was clipped and object-fit: cover cropped a square cover into the band -- 264x53 on the reference device, which is what #172's "39px of art" actually looked like. It is not only the phone either: the leftover exceeds the width only above ~843px of viewport, so every height from ~500 to ~843 drew a crop. Both maxes with auto sizes is the fix, chosen by measuring four candidate rules against Chrome 113 itself at five column heights. The placeholder cannot use that rule -- with no intrinsic size it collapses to its icon, 13x58 -- so it is driven from the height, with min-width: 0 because a flex item's automatic minimum is its content, and max-height: calc(100vw - 2rem) because a non-replaced box cannot express "the largest square that fits" and went 380x484 on a tall phone without it. **Then the reflow.** The stacked budget is fixed, so the art gets `height - 386` and that is 53px at 424x439. #172 named two ways out; a floor on the art scrolls the transport off the bottom, and controls never scrolling off is #51's own Direction and plan 018's promise -- so below 500px the art and the names share a row, where the art is bounded by the row's height rather than the column's leftover. 53px to 143px on the device, nothing scrolling, the transport untouched. 500 is where the two layouts cross rather than a round number, and it is keyed on height alone because it answers vertical room: a 900x450 window has the same problem and the same fix.
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