custom-app/dhcc-app-dll/node_modules/@emotion/memoize/src/index.js

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// @flow

export default function memoize<V>(fn: string => V): string => V {
  const cache = {}

  return (arg: string) => {
    if (cache[arg] === undefined) cache[arg] = fn(arg)
    return cache[arg]
  }
}