FM / lib

/home2/dakshskx/nodejs/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/

/home2/dakshskx/nodejs/lib/node_modules/npm/node_modules/@npmcli/arborist/lib

Name	Size	Mode	Actions
arborist/	-	0755	rm
add-rm-pkg-deps.js	5010	0644	edit dl rm
audit-report.js	12282	0644	edit dl rm
calc-dep-flags.js	3148	0644	edit dl rm
can-place-dep.js	14273	0644	edit dl rm
case-insensitive-map.js	1356	0644	edit dl rm
consistent-resolve.js	1432	0644	edit dl rm
debug.js	1228	0644	edit dl rm
deepest-nesting-target.js	691	0644	edit dl rm
dep-valid.js	4990	0644	edit dl rm
diff.js	9798	0644	edit dl rm
edge.js	6983	0644	edit dl rm
from-path.js	1069	0644	edit dl rm
gather-dep-set.js	1286	0644	edit dl rm
get-workspace-nodes.js	863	0644	edit dl rm
index.js	353	0644	edit dl rm
inventory.js	3272	0644	edit dl rm
link.js	3691	0644	edit dl rm
node.js	44093	0644	edit dl rm
optional-set.js	1353	0644	edit dl rm
override-resolves.js	230	0644	edit dl rm
override-set.js	2603	0644	edit dl rm
peer-entry-sets.js	2632	0644	edit dl rm
place-dep.js	20207	0644	edit dl rm
printable.js	5217	0644	edit dl rm
query-selector-all.js	16827	0644	edit dl rm
realpath.js	2737	0644	edit dl rm
relpath.js	131	0644	edit dl rm
reset-dep-flags.js	638	0644	edit dl rm
retire-path.js	491	0644	edit dl rm
shrinkwrap.js	37913	0644	edit dl rm
signal-handling.js	2245	0644	edit dl rm
signals.js	1381	0644	edit dl rm
spec-from-lock.js	874	0644	edit dl rm
tracker.js	3373	0644	edit dl rm
tree-check.js	4121	0644	edit dl rm
version-from-tgz.js	1489	0644	edit dl rm
vuln.js	5858	0644	edit dl rm
yarn-lock.js	10289	0644	edit dl rm

Edit: /home2/dakshskx/nodejs/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/inventory.js (3272B)

// a class to manage an inventory and set of indexes of
// a set of objects based on specific fields.
// primary is the primary index key.
// keys is the set of fields to be able to query.
const _primaryKey = Symbol('_primaryKey')
const _index = Symbol('_index')
const defaultKeys = ['name', 'license', 'funding', 'realpath', 'packageName']
const { hasOwnProperty } = Object.prototype
const debug = require('./debug.js')

// handling for the outdated "licenses" array, just pick the first one
// also support the alternative spelling "licence"
const getLicense = pkg => {
  if (pkg) {
    const lic = pkg.license || pkg.licence
    if (lic) {
      return lic
    }
    const lics = pkg.licenses || pkg.licences
    if (Array.isArray(lics)) {
      return lics[0]
    }
  }
}

class Inventory extends Map {
  constructor (opt = {}) {
    const { primary, keys } = opt
    super()
    this[_primaryKey] = primary || 'location'
    this[_index] = (keys || defaultKeys).reduce((index, i) => {
      index.set(i, new Map())
      return index
    }, new Map())
  }

get primaryKey () {
    return this[_primaryKey]
  }

get indexes () {
    return [...this[_index].keys()]
  }

* filter (fn) {
    for (const node of this.values()) {
      if (fn(node)) {
        yield node
      }
    }
  }

add (node) {
    const root = super.get('')
    if (root && node.root !== root && node.root !== root.root) {
      debug(() => {
        throw Object.assign(new Error('adding external node to inventory'), {
          root: root.path,
          node: node.path,
          nodeRoot: node.root.path,
        })
      })
      return
    }

const current = super.get(node[this.primaryKey])
    if (current) {
      if (current === node) {
        return
      }
      this.delete(current)
    }
    super.set(node[this.primaryKey], node)
    for (const [key, map] of this[_index].entries()) {
      // if the node has the value, but it's false, then use that
      const val_ = hasOwnProperty.call(node, key) ? node[key]
        : key === 'license' ? getLicense(node.package)
        : node[key] ? node[key]
        : node.package && node.package[key]
      const val = typeof val_ === 'string' ? val_
        : !val_ || typeof val_ !== 'object' ? val_
        : key === 'license' ? val_.type
        : key === 'funding' ? val_.url
        : /* istanbul ignore next - not used */ val_
      const set = map.get(val) || new Set()
      set.add(node)
      map.set(val, set)
    }
  }

delete (node) {
    if (!this.has(node)) {
      return
    }

super.delete(node[this.primaryKey])
    for (const [key, map] of this[_index].entries()) {
      const val = node[key] !== undefined ? node[key]
        : (node[key] || (node.package && node.package[key]))
      const set = map.get(val)
      if (set) {
        set.delete(node)
        if (set.size === 0) {
          map.delete(node[key])
        }
      }
    }
  }

query (key, val) {
    const map = this[_index].get(key)
    return map && (arguments.length === 2 ? map.get(val) : map.keys()) ||
      new Set()
  }

has (node) {
    return super.get(node[this.primaryKey]) === node
  }

set (k, v) {
    throw new Error('direct set() not supported, use inventory.add(node)')
  }
}

module.exports = Inventory

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