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| async function openFile( | |
| accept: string | null, // file type (see https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/accept) | |
| multiple: boolean = false, | |
| capture?: string | null // see https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/capture | |
| ): Promise<FileList | null> { | |
| return new Promise<FileList | null>((ok) => { | |
| const filePickerRef = document.createElement('input') | |
| filePickerRef.type = 'file' | |
| if (accept != null) filePickerRef.accept = accept | |
| if (capture != null) filePickerRef.capture = capture |