Function pruneInheritedTextStyles

packages/extension/utils/css.ts:1124–1144

(
  style: Record<string, string>,
  ...bases: Array<Record<string, string> | undefined>
)

}

export function pruneInheritedTextStyles(
  style: Record<string, string>,
  ...bases: Array<Record<string, string> | undefined>
): void {
  Object.entries(style).forEach(([key, value]) => {
    const normalizedCurrent = canonicalizeValue(key, value)

    for (const base of bases) {
      const inheritedValue = base?.[key]
      if (inheritedValue && canonicalizeValue(key, inheritedValue) === normalizedCurrent) {
        delete style[key]
        return
      }
    }

    const defaultValue = TEXT_STYLE_DEFAULTS.get(key)
    if (defaultValue && canonicalizeValue(key, defaultValue) === normalizedCurrent) {
      delete style[key]
    }
  })
}

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