Function canonicalizeValue

packages/extension/utils/css.ts:1146–1168

(key: string, value: string)

}

export function canonicalizeValue(key: string, value: string): string {
  const trimmed = value.trim().toLowerCase()

  if (/^0+(\.0+)?(px|%|rem|em)?$/.test(trimmed)) {
    return '0'
  }

  if (key === 'color') {
    const hex = canonicalizeColor(trimmed)
    if (hex) return hex
  }

  if (key === 'font-weight') {
    if (trimmed === 'normal') return '400'
    if (trimmed === 'bold') return '700'
  }

  if (key === 'line-height' && trimmed === 'normal') {
    return 'normal'
  }

  return trimmed.replace(ALL_WHITESPACE_RE, '')
}

function formatHex(r: number, g: number, b: number): string {
  const toHex = (n: number) => n.toString(16).padStart(2, '0')