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B2 phase 4, and the last of it. Measured on the device: at 424 CSS px the four configured columns fit the row *exactly* -- `--grid-cols` came out `24px 102px 101px 101px 80px` -- and not one of them fit its content, with "Duration" too narrow for its own header. The columns were never too wide; there were too many of them. So a phone draws `titleArtist` (the title with the artist under it, across the row's whole width) plus the duration, and drops the column headers and the resize handles, which are a click-to-sort and a drag with no touch equivalent. It is a **column set, not a second row template**: the row, its delegated events, the selection semantics, the playing marker and the virtualizer never learn anything changed, because from their side only the number of columns did. Three rules come with it. The row height is in two places (`PHONE_ROW_HEIGHT` and the CSS rule) and must agree, since the virtualizer positions rows from that number and a taller row overlaps its neighbour. What is drawn and what can be sorted are different questions, so the sort list is built from `configuredColumns` -- a phone has no headers either, and building it from the drawn columns would leave it able to sort by title and duration alone. And a phone's column widths are neither loaded nor saved. That third rule is the bug the device found with the arrangement already passing five component tests and five e2e specs at the phone's own viewport. `loadColumnWidths` is keyed by column *id* and fills a gap with `MIN_COLUMN_WIDTH`, so the stacked column -- which nothing can ever have saved a width for -- came out at 148px beside a duration column of 236. The mirror image was worse and unreachable from a phone at all: saving would have written those widths back under the same ids, replacing the width the user dragged on a desktop. The specs asserted shape, and the fault depended on what `localStorage` held for a different column set; the unit test now carries that map as a fixture. Verified: 809 component tests, 112 e2e specs, and on the phone at 424x439 -- `24px 304px 80px`, 52px rows, no truncation, no overflow. One full e2e run of three saw an unrelated autotag keypress spec flake and pass on retry.
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