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Leon.Schmidt
35 lines
782 B
TypeScript
35 lines
782 B
TypeScript
const nonTextInputTypes = new Set([
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'button',
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'checkbox',
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'color',
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'file',
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'hidden',
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'image',
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'radio',
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'range',
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'reset',
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'submit',
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])
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type FocusableElement = Pick<
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HTMLElement,
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'getAttribute' | 'isContentEditable' | 'tagName'
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>
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export function isTextInputElement(element: FocusableElement): boolean {
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if (
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element.getAttribute('readonly') !== null ||
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element.getAttribute('aria-readonly') === 'true'
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) {
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return false
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}
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if (element.isContentEditable || element.getAttribute('role') === 'textbox') {
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return true
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}
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if (element.tagName === 'TEXTAREA') return true
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if (element.tagName !== 'INPUT') return false
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const inputType = element.getAttribute('type')?.toLowerCase() ?? 'text'
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return !nonTextInputTypes.has(inputType)
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}
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