Gecko [ touzafair.com ]

Name	Size	Permission
arborist	[ DIR ]	drwxr-xr-x
add-rm-pkg-deps.js	4.89 KB	-rw-r--r--
audit-report.js	11.99 KB	-rw-r--r--
calc-dep-flags.js	3.07 KB	-rw-r--r--
can-place-dep.js	13.94 KB	-rw-r--r--
case-insensitive-map.js	1.32 KB	-rw-r--r--
consistent-resolve.js	1.4 KB	-rw-r--r--
debug.js	1.2 KB	-rw-r--r--
deepest-nesting-target.js	691 B	-rw-r--r--
dep-valid.js	4.87 KB	-rw-r--r--
diff.js	9.57 KB	-rw-r--r--
edge.js	6.82 KB	-rw-r--r--
from-path.js	1.04 KB	-rw-r--r--
gather-dep-set.js	1.26 KB	-rw-r--r--
get-workspace-nodes.js	863 B	-rw-r--r--
index.js	353 B	-rw-r--r--
inventory.js	3.2 KB	-rw-r--r--
link.js	3.6 KB	-rw-r--r--
node.js	43.06 KB	-rw-r--r--
optional-set.js	1.32 KB	-rw-r--r--
override-resolves.js	230 B	-rw-r--r--
override-set.js	2.54 KB	-rw-r--r--
peer-entry-sets.js	2.57 KB	-rw-r--r--
place-dep.js	19.73 KB	-rw-r--r--
printable.js	5.09 KB	-rw-r--r--
query-selector-all.js	16.43 KB	-rw-r--r--
realpath.js	2.67 KB	-rw-r--r--
relpath.js	131 B	-rw-r--r--
reset-dep-flags.js	638 B	-rw-r--r--
retire-path.js	491 B	-rw-r--r--
shrinkwrap.js	37.02 KB	-rw-r--r--
signal-handling.js	2.19 KB	-rw-r--r--
signals.js	1.35 KB	-rw-r--r--
spec-from-lock.js	874 B	-rw-r--r--
tracker.js	3.29 KB	-rw-r--r--
tree-check.js	4.02 KB	-rw-r--r--
version-from-tgz.js	1.45 KB	-rw-r--r--
vuln.js	5.72 KB	-rw-r--r--
yarn-lock.js	10.05 KB	-rw-r--r--

Code Editor : inventory.js

// 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// handling for the outdated "licenses" array, just pick the first one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

${this.title}

Code Editor : inventory.js