File size: 3,752 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
import {
  type Dict,
  compact,
  cx,
  mergeWith,
  omit,
  splitProps,
  uniq,
} from "../utils"
import { createCssFn } from "./css"
import type { RecipeCreatorFn, RecipeDefinition } from "./recipe.types"
import type { Condition, CssFn, Layers } from "./types"

const defaults = (conf: any): Required<RecipeDefinition> => ({
  base: {},
  variants: {},
  defaultVariants: {},
  compoundVariants: [],
  ...conf,
})

interface Options {
  normalize: (styles: Dict) => Dict
  css: CssFn
  conditions: Condition
  layers: Layers
}

export function createRecipeFn(options: Options): RecipeCreatorFn {
  const { css, conditions, normalize, layers } = options

  function cva(config: Dict = {}) {
    const { base, variants, defaultVariants, compoundVariants } =
      defaults(config)

    const getVariantCss = createCssFn({
      conditions,
      normalize,
      transform(prop, value) {
        return variants[prop]?.[value]
      },
    })

    const resolve = (props = {}) => {
      const variantSelections: Dict = normalize({
        ...defaultVariants,
        ...compact(props),
      })

      let variantCss = { ...base }

      mergeWith(variantCss, getVariantCss(variantSelections))

      const compoundVariantCss = getCompoundVariantCss(
        compoundVariants,
        variantSelections,
      )

      return layers.wrap("recipes", css(variantCss, compoundVariantCss))
    }

    const variantKeys = Object.keys(variants)

    const splitVariantProps = (props: Dict) => {
      const restProps = omit(props, ["recipe"])
      const [recipeProps, localProps] = splitProps(restProps, variantKeys)

      if (!variantKeys.includes("colorPalette")) {
        recipeProps.colorPalette =
          props.colorPalette || defaultVariants.colorPalette
      }

      if (variantKeys.includes("orientation")) {
        ;(localProps as any).orientation = props.orientation
      }

      return [recipeProps, localProps]
    }

    const variantMap = Object.fromEntries(
      Object.entries(variants).map(([key, value]) => [
        key,
        Object.keys(value as any),
      ]),
    )

    const cvaFn = (props: any) => css(resolve(props))
    return Object.assign(cvaFn, {
      className: config.className,
      __cva__: true,
      variantMap,
      variantKeys,
      raw: resolve,
      config,
      splitVariantProps,
      merge(other: any) {
        return cva(mergeCva(options)(this, other))
      },
    })
  }

  function getCompoundVariantCss(cvs: any[], vm: any) {
    let result = {}
    cvs.forEach((cv) => {
      const isMatching = Object.entries(cv).every(([key, value]) => {
        if (key === "css") return true
        const values = Array.isArray(value) ? value : [value]
        return values.some((value) => vm[key] === value)
      })
      if (isMatching) {
        result = css(result, cv.css)
      }
    })

    return result
  }

  //@ts-expect-error
  return cva
}

function mergeCva(opts: Options) {
  const { css } = opts

  return function mergeCva(cvaA: any, cvaB: any) {
    const override = defaults(cvaB.config)
    const variantKeys = uniq(cvaA.variantKeys, Object.keys(cvaB.variants))

    const base = css(cvaA.base, override.base)

    const variants = Object.fromEntries(
      variantKeys.map((key) => [
        key,
        css(cvaA.config.variants[key], override.variants[key]),
      ]),
    )

    const defaultVariants = mergeWith(
      cvaA.config.defaultVariants,
      override.defaultVariants,
    )

    const compoundVariants = [
      ...cvaA.compoundVariants,
      ...override.compoundVariants,
    ]

    const className = cx(cvaA.className, cvaB.className)

    return {
      className,
      base,
      variants,
      defaultVariants,
      compoundVariants,
    }
  }
}