Add a README for theme_importer

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Nate Butler 2023-11-06 16:00:57 -05:00
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# Zed Theme Importer
---
## Usage
- `cargo run -p theme_importer` - Import the context of `assets/themes/src`
---
## Troubleshooting
As the importer generates rust files, you may need to manually do some cleanup in `registry.rs` and `themes/mod.rs` if you remove themes or delete the `themes` folder in the theme crate.
---
## Required Structure
To import a theme or series of themes 3 things are required:
- `family.json`: A JSON file containing the theme family metadata and list of theme variants
- `{theme_name}.json`: One theme json for each theme variant
- `LICENSE`: A license file for the theme family
### `family.json`
#### `name`
The name of the theme family. Avoid special characters.
This will be used for the theme family directory name (lowercased) and the theme family name in the Zed UI.
Good:
- `Rose Pine`
- `Synthwave 84`
- `Monokai Solarized`
Bad:
- `Rosé Pine`
- `Synthwave '84`
- `Monokai (Solarized)`
#### `author`
The author of the theme family. This can be a name or a username.
This will be used for the theme family author in the Zed UI.
#### `themes`
A list of theme variants.
`appearance` can be either `light` or `dark`. This will impact which default fallback colors are used, and where the theme shows up in the Zed UI.
### `{theme_name}.json`
Each theme added to the family must have a corresponding JSON file. This JSON file can be obtained from the VSCode extensions folder (once you have installed it.) This is usually located at `~/.vscode/extensions` (on macOS).
You can use `open ~/.vscode/extensions` to open the folder in Finder directly.
Copy that json file into the theme family directory and tidy up the filenames as needed.
### `LICENSE`
A LICENSE file is required to import a theme family. Failing to provide a complete text license will cause it to be skipped when the import is run.
If the theme only provices a license code (e.g. MIT, Apache 2.0, etc.) then put that code into the LICENSE file.
If no license is provided, either contact the theme creator or don't add the theme.
---
### Complete Example:
An example family with multiple variants:
```json
{
"name": "Ayu",
// When both name and username are available
// prefer the `username (name)` format
"author": "dempfi (Ike Ku)",
"themes": [
{
"name": "Ayu Light",
"file_name": "ayu-light.json",
"appearance": "light"
},
{
"name": "Ayu Mirage",
"file_name": "ayu-mirage.json",
"appearance": "dark"
},
{
"name": "Ayu Dark",
"file_name": "ayu-dark.json",
"appearance": "dark"
}
]
}
```
An example single variant family:
```json
{
"name": "Andromeda",
"author": "Eliver Lara (EliverLara)",
"themes": [
{
"name": "Andromeda",
"file_name": "andromeda.json",
"appearance": "dark"
},
{
"name": "Andromeda Bordered",
"file_name": "andromeda-bordered.json",
"appearance": "dark"
}
]
}
```