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import type { CascadeLayer, Layers, SystemConfig } from "./types"
const defaultLayers: Record<CascadeLayer, string> = {
reset: "reset",
base: "base",
tokens: "tokens",
recipes: "recipes",
}
const layerOrder = {
reset: 0,
base: 1,
tokens: 2,
recipes: 3,
}
export function createLayers(
config: Pick<SystemConfig, "layers" | "disableLayers">,
): Layers {
const layers = config.layers ?? defaultLayers
const values = Object.values(layers) as CascadeLayer[]
const names = values.sort((a, b) => layerOrder[a] - layerOrder[b])
return {
names: names,
atRule: `@layer ${names.join(", ")};`,
wrap(layer, styles) {
if (config.disableLayers) return styles
const params = layers[layer]
return { [`@layer ${params}`]: styles }
},
}
}
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