dd-trace/packages/dd-trace/src/log/utils.js

Datadog APM tracing client for JavaScript

'use strict'

const memoize = func => {
  const cache = {}
  const memoized = function (key) {
    if (!cache[key]) {
      cache[key] = func.apply(this, arguments)
    }

    return cache[key]
  }

  return memoized
}

module.exports = { memoize }