Function keyVal

src/toQuery.ts:7–21

(k: string, v: unknown)

const negate = (cond: string) => `not ${cond}`

const keyVal = (k: string, v: unknown): string => {
  const realKey = hyphenate(k)

  // px shorthand
  if (typeof v === 'number') {
    v = `${v}px`
  }
  if (v === true) {
    return realKey
  }
  if (v === false) {
    return negate(realKey)
  }
  return `(${realKey}: ${v})`
}

const join = (conds: string[]): string => conds.join(' and ')