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13 lines
412 B
JavaScript

// warning: extremely hot code path.
// This has been meticulously optimized for use
// within npm install on large package trees.
// Do not edit without careful benchmarking.
const normalizeCache = Object.create(null)
const { hasOwnProperty } = Object.prototype
module.exports = s => {
if (!hasOwnProperty.call(normalizeCache, s)) {
normalizeCache[s] = s.normalize('NFD')
}
return normalizeCache[s]
}