import { isArray, isString, isObject } from './util'

function className(...args: any[]) {
    const classes = []
    for (let i = 0; i < args.length; i++) {
        const value = args[i]
        if (!value) continue
        if (isString(value)) {
            classes.push(value)
        } else if (isArray(value)) {
            for (let i = 0; i < value.length; i++) {
                const inner: any = className(value[i])
                if (inner) {
                    classes.push(inner)
                }
            }
        } else if (isObject(value)) {
            for (const name in value) {
                if (value[name]) {
                    classes.push(name)
                }
            }
        }
    }
    return classes.join(' ')
}

export default className