Home

tailwind-ctp-intellisense @6329ceca1d76bc6167ec78c1088847587a787c20 - refs - log -
-
https://git.jolheiser.com/tailwind-ctp-intellisense.git
Tailwind intellisense + Catppuccin
tailwind-ctp-intellisense / packages / tailwindcss-language-service / src / util / color.ts
- raw
  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
const dlv = require('dlv')
import { State } from './state'
import removeMeta from './removeMeta'
import { TinyColor, names as colorNames } from '@ctrl/tinycolor'
import { ensureArray, dedupe, flatten } from './array'

const COLOR_PROPS = [
  'caret-color',
  'color',
  'column-rule-color',
  'background-color',
  'border-color',
  'border-top-color',
  'border-right-color',
  'border-bottom-color',
  'border-left-color',
  'fill',
  'outline-color',
  'stop-color',
  'stroke',
  'text-decoration-color',
]

function isKeyword(value: string): boolean {
  return ['transparent', 'currentcolor'].includes(value.toLowerCase())
}

export function getColor(
  state: State,
  keys: string[]
): TinyColor | string | null {
  const item = dlv(state.classNames.classNames, [...keys, '__info'])
  if (!item.__rule) return null
  const props = Object.keys(removeMeta(item))
  if (props.length === 0) return null
  const nonCustomProps = props.filter((prop) => !prop.startsWith('--'))

  const areAllCustom = nonCustomProps.length === 0

  if (
    !areAllCustom &&
    nonCustomProps.some((prop) => !COLOR_PROPS.includes(prop))
  ) {
    // they should all be color-based props
    return null
  }

  const propsToCheck = areAllCustom ? props : nonCustomProps

  const colors = flatten(
    propsToCheck.map((prop) => ensureArray(item[prop]).map(createColor))
  )

  // check that all of the values are valid colors
  if (colors.some((color) => typeof color !== 'string' && !color.isValid)) {
    return null
  }

  // check that all of the values are the same color, ignoring alpha
  const colorStrings = dedupe(
    colors.map((color) =>
      typeof color === 'string' ? color : `${color.r}-${color.g}-${color.b}`
    )
  )
  if (colorStrings.length !== 1) {
    return null
  }

  if (isKeyword(colorStrings[0])) {
    return colorStrings[0]
  }

  const nonKeywordColors = colors.filter(
    (color): color is TinyColor => typeof color !== 'string'
  )

  const alphas = dedupe(nonKeywordColors.map((color) => color.a))

  if (alphas.length === 1) {
    return nonKeywordColors[0]
  }

  if (alphas.length === 2 && alphas.includes(0)) {
    return nonKeywordColors.find((color) => color.a !== 0)
  }

  return null
}

export function getColorFromValue(value: unknown): string {
  if (typeof value !== 'string') return null
  const trimmedValue = value.trim()
  if (trimmedValue === 'transparent') {
    return 'rgba(0, 0, 0, 0.01)'
  }
  if (
    !/^\s*(?:rgba?|hsla?)\s*\([^)]+\)\s*$/.test(trimmedValue) &&
    !/^\s*#[0-9a-f]+\s*$/i.test(trimmedValue) &&
    !Object.keys(colorNames).includes(trimmedValue)
  ) {
    return null
  }
  const color = new TinyColor(trimmedValue)
  if (color.isValid) {
    return color.toRgbString()
  }
  return null
}

function createColor(str: string): TinyColor | string {
  if (isKeyword(str)) {
    return str
  }

  // matches: rgba(<r>, <g>, <b>, var(--bg-opacity))
  // TODO: support other formats? e.g. hsla, css level 4
  const match = str.match(
    /^\s*rgba\(\s*(?<r>[0-9]{1,3})\s*,\s*(?<g>[0-9]{1,3})\s*,\s*(?<b>[0-9]{1,3})\s*,\s*var/
  )

  if (match) {
    return new TinyColor({
      r: match.groups.r,
      g: match.groups.g,
      b: match.groups.b,
    })
  }

  return new TinyColor(str)
}