(className: string)
| 111 | |
| 112 | // Add one or more CSS classes to the <html> element. |
| 113 | function addClass(className: string): void { |
| 114 | let currentClassNames: string | null = null |
| 115 | if (!hasClass(className)) { |
| 116 | currentClassNames = documentElement.className.replace(/^\s+|\s+$/g, '') |
| 117 | documentElement.className = `${currentClassNames} ${className}` |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | // Remove single CSS class from the <html> element. |
| 122 | function removeClass(className: string): void { |
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