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PATH: usr / lib / node_modules / npm / node_modules / @npmcli / arborist / lib

// package children are represented with a Map object, but many file systems
// are case-insensitive and unicode-normalizing, so we need to treat
// node.children.get('FOO') and node.children.get('foo') as the same thing.

const _keys = Symbol('keys')
const _normKey = Symbol('normKey')
const normalize = s => s.normalize('NFKD').toLowerCase()
const OGMap = Map
module.exports = class Map extends OGMap {
  constructor (items = []) {
    super()
    this[_keys] = new OGMap()
    for (const [key, val] of items) {
      this.set(key, val)
    }
  }

[_normKey] (key) {
    return typeof key === 'string' ? normalize(key) : key
  }

get (key) {
    const normKey = this[_normKey](key)
    return this[_keys].has(normKey) ? super.get(this[_keys].get(normKey))
      : undefined
  }

set (key, val) {
    const normKey = this[_normKey](key)
    if (this[_keys].has(normKey)) {
      super.delete(this[_keys].get(normKey))
    }
    this[_keys].set(normKey, key)
    return super.set(key, val)
  }

delete (key) {
    const normKey = this[_normKey](key)
    if (this[_keys].has(normKey)) {
      const prevKey = this[_keys].get(normKey)
      this[_keys].delete(normKey)
      return super.delete(prevKey)
    }
  }

has (key) {
    const normKey = this[_normKey](key)
    return this[_keys].has(normKey) && super.has(this[_keys].get(normKey))
  }
}

[-] reset-dep-flags.js [edit]
[-] spec-from-lock.js [edit]
[-] tracker.js [edit]
[-] printable.js [edit]
[-] gather-dep-set.js [edit]
[-] relpath.js [edit]
[+] ..
[-] place-dep.js [edit]
[-] signal-handling.js [edit]
[-] yarn-lock.js [edit]
[-] from-path.js [edit]
[-] override-set.js [edit]
[-] debug.js [edit]
[-] deepest-nesting-target.js [edit]
[-] can-place-dep.js [edit]
[-] edge.js [edit]
[-] link.js [edit]
[-] diff.js [edit]
[-] audit-report.js [edit]
[-] consistent-resolve.js [edit]
[-] calc-dep-flags.js [edit]
[-] tree-check.js [edit]
[-] index.js [edit]
[-] vuln.js [edit]
[-] optional-set.js [edit]
[-] realpath.js [edit]
[-] add-rm-pkg-deps.js [edit]
[-] inventory.js [edit]
[-] peer-entry-sets.js [edit]
[-] get-workspace-nodes.js [edit]
[-] case-insensitive-map.js [edit]
[-] retire-path.js [edit]
[-] query-selector-all.js [edit]
[-] override-resolves.js [edit]
[-] node.js [edit]
[-] shrinkwrap.js [edit]
[-] signals.js [edit]
[-] dep-valid.js [edit]
[+] arborist
[-] version-from-tgz.js [edit]