vexip-ui/dist/components/number-input/symbol.d.ts

A Vue 3 UI library, Highly customizability, full TypeScript, performance pretty good

export type NumberInputControlType = 'right' | 'left' | 'right-fade' | 'left-fade' | 'none';
export type NumberInputEmptyType = 'NaN' | 'undefined' | 'null';
export interface NumberInputSlots {
    prefix?: () => any;
    suffix?: () => any;
}