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/home/techb158/.nvm/versions/node/v16.20.2/lib/node_modules/npm/lib/commands/

/home/techb158/.nvm/versions/node/v16.20.2/lib/node_modules/npm/lib/commands

Name	Size	Mode	Actions
access.js	5585	0644	edit dl rm
adduser.js	2253	0644	edit dl rm
audit.js	12234	0644	edit dl rm
bin.js	729	0644	edit dl rm
birthday.js	508	0644	edit dl rm
bugs.js	815	0644	edit dl rm
cache.js	7247	0644	edit dl rm
ci.js	3715	0644	edit dl rm
completion.js	9124	0644	edit dl rm
config.js	8308	0644	edit dl rm
dedupe.js	1405	0644	edit dl rm
deprecate.js	2109	0644	edit dl rm
diff.js	8291	0644	edit dl rm
dist-tag.js	5604	0644	edit dl rm
docs.js	447	0644	edit dl rm
doctor.js	9446	0644	edit dl rm
edit.js	2047	0644	edit dl rm
exec.js	2499	0644	edit dl rm
explain.js	3639	0644	edit dl rm
explore.js	2387	0644	edit dl rm
find-dupes.js	602	0644	edit dl rm
fund.js	6524	0644	edit dl rm
get.js	524	0644	edit dl rm
help-search.js	5755	0644	edit dl rm
help.js	4637	0644	edit dl rm
hook.js	4027	0644	edit dl rm
init.js	6972	0644	edit dl rm
install-ci-test.js	377	0644	edit dl rm
install-test.js	374	0644	edit dl rm
install.js	5236	0644	edit dl rm
link.js	5141	0644	edit dl rm
ll.js	234	0644	edit dl rm
logout.js	1377	0644	edit dl rm
ls.js	17351	0644	edit dl rm
org.js	4305	0644	edit dl rm
outdated.js	9050	0644	edit dl rm
owner.js	6018	0644	edit dl rm
pack.js	2419	0644	edit dl rm
ping.js	874	0644	edit dl rm
pkg.js	3554	0644	edit dl rm
prefix.js	343	0644	edit dl rm
profile.js	11525	0644	edit dl rm
prune.js	779	0644	edit dl rm
publish.js	6481	0644	edit dl rm
query.js	2873	0644	edit dl rm
rebuild.js	2214	0644	edit dl rm
repo.js	1272	0644	edit dl rm
restart.js	351	0644	edit dl rm
root.js	298	0644	edit dl rm
run-script.js	7067	0644	edit dl rm
search.js	2781	0644	edit dl rm
set-script.js	2698	0644	edit dl rm
set.js	572	0644	edit dl rm
shrinkwrap.js	2705	0644	edit dl rm
star.js	1911	0644	edit dl rm
stars.js	1052	0644	edit dl rm
start.js	341	0644	edit dl rm
stop.js	336	0644	edit dl rm
team.js	4545	0644	edit dl rm
test.js	336	0644	edit dl rm
token.js	6954	0644	edit dl rm
uninstall.js	1552	0644	edit dl rm
unpublish.js	4617	0644	edit dl rm
unstar.js	182	0644	edit dl rm
update.js	1738	0644	edit dl rm
version.js	3690	0644	edit dl rm
view.js	14723	0644	edit dl rm
whoami.js	514	0644	edit dl rm

Edit: /home/techb158/.nvm/versions/node/v16.20.2/lib/node_modules/npm/lib/commands/diff.js (8291B)

const { resolve } = require('path')
const semver = require('semver')
const libnpmdiff = require('libnpmdiff')
const npa = require('npm-package-arg')
const Arborist = require('@npmcli/arborist')
const pacote = require('pacote')
const pickManifest = require('npm-pick-manifest')
const log = require('../utils/log-shim')
const readPackage = require('read-package-json-fast')
const BaseCommand = require('../base-command.js')

class Diff extends BaseCommand {
  static description = 'The registry diff command'
  static name = 'diff'
  static usage = [
    '[...<paths>]',
  ]

static params = [
    'diff',
    'diff-name-only',
    'diff-unified',
    'diff-ignore-all-space',
    'diff-no-prefix',
    'diff-src-prefix',
    'diff-dst-prefix',
    'diff-text',
    'global',
    'tag',
    'workspace',
    'workspaces',
    'include-workspace-root',
  ]

static ignoreImplicitWorkspace = false

async exec (args) {
    const specs = this.npm.config.get('diff').filter(d => d)
    if (specs.length > 2) {
      throw this.usageError(`Can't use more than two --diff arguments.`)
    }

// execWorkspaces may have set this already
    if (!this.prefix) {
      this.prefix = this.npm.prefix
    }

// this is the "top" directory, one up from node_modules
    // in global mode we have to walk one up from globalDir because our
    // node_modules is sometimes under ./lib, and in global mode we're only ever
    // walking through node_modules (because we will have been given a package
    // name already)
    if (this.npm.global) {
      this.top = resolve(this.npm.globalDir, '..')
    } else {
      this.top = this.prefix
    }

const [a, b] = await this.retrieveSpecs(specs)
    log.info('diff', { src: a, dst: b })

const res = await libnpmdiff([a, b], {
      ...this.npm.flatOptions,
      diffFiles: args,
      where: this.top,
    })
    return this.npm.output(res)
  }

async execWorkspaces (args, filters) {
    await this.setWorkspaces(filters)
    for (const workspacePath of this.workspacePaths) {
      this.top = workspacePath
      this.prefix = workspacePath
      await this.exec(args)
    }
  }

// get the package name from the packument at `path`
  // throws if no packument is present OR if it does not have `name` attribute
  async packageName (path) {
    let name
    try {
      const pkg = await readPackage(resolve(this.prefix, 'package.json'))
      name = pkg.name
    } catch (e) {
      log.verbose('diff', 'could not read project dir package.json')
    }

if (!name) {
      throw this.usageError('Needs multiple arguments to compare or run from a project dir.')
    }

return name
  }

async retrieveSpecs ([a, b]) {
    if (a && b) {
      const specs = await this.convertVersionsToSpecs([a, b])
      return this.findVersionsByPackageName(specs)
    }

// no arguments, defaults to comparing cwd
    // to its latest published registry version
    if (!a) {
      const pkgName = await this.packageName(this.prefix)
      return [
        `${pkgName}@${this.npm.config.get('tag')}`,
        `file:${this.prefix.replace(/#/g, '%23')}`,
      ]
    }

// single argument, used to compare wanted versions of an
    // installed dependency or to compare the cwd to a published version
    let noPackageJson
    let pkgName
    try {
      const pkg = await readPackage(resolve(this.prefix, 'package.json'))
      pkgName = pkg.name
    } catch (e) {
      log.verbose('diff', 'could not read project dir package.json')
      noPackageJson = true
    }

const missingPackageJson =
      this.usageError('Needs multiple arguments to compare or run from a project dir.')

// using a valid semver range, that means it should just diff
    // the cwd against a published version to the registry using the
    // same project name and the provided semver range
    if (semver.validRange(a)) {
      if (!pkgName) {
        throw missingPackageJson
      }
      return [
        `${pkgName}@${a}`,
        `file:${this.prefix.replace(/#/g, '%23')}`,
      ]
    }

// when using a single package name as arg and it's part of the current
    // install tree, then retrieve the current installed version and compare
    // it against the same value `npm outdated` would suggest you to update to
    const spec = npa(a)
    if (spec.registry) {
      let actualTree
      let node
      try {
        const opts = {
          ...this.npm.flatOptions,
          path: this.top,
        }
        const arb = new Arborist(opts)
        actualTree = await arb.loadActual(opts)
        node = actualTree &&
          actualTree.inventory.query('name', spec.name)
            .values().next().value
      } catch (e) {
        log.verbose('diff', 'failed to load actual install tree')
      }

if (!node || !node.name || !node.package || !node.package.version) {
        if (noPackageJson) {
          throw missingPackageJson
        }
        return [
          `${spec.name}@${spec.fetchSpec}`,
          `file:${this.prefix.replace(/#/g, '%23')}`,
        ]
      }

const tryRootNodeSpec = () =>
        (actualTree && actualTree.edgesOut.get(spec.name) || {}).spec

const tryAnySpec = () => {
        for (const edge of node.edgesIn) {
          return edge.spec
        }
      }

const aSpec = `file:${node.realpath.replace(/#/g, '%23')}`

// finds what version of the package to compare against, if a exact
      // version or tag was passed than it should use that, otherwise
      // work from the top of the arborist tree to find the original semver
      // range declared in the package that depends on the package.
      let bSpec
      if (spec.rawSpec) {
        bSpec = spec.rawSpec
      } else {
        const bTargetVersion =
          tryRootNodeSpec()
          || tryAnySpec()

// figure out what to compare against,
        // follows same logic to npm outdated "Wanted" results
        const packument = await pacote.packument(spec, {
          ...this.npm.flatOptions,
          preferOnline: true,
        })
        bSpec = pickManifest(
          packument,
          bTargetVersion,
          { ...this.npm.flatOptions }
        ).version
      }

return [
        `${spec.name}@${aSpec}`,
        `${spec.name}@${bSpec}`,
      ]
    } else if (spec.type === 'directory') {
      return [
        `file:${spec.fetchSpec.replace(/#/g, '%23')}`,
        `file:${this.prefix.replace(/#/g, '%23')}`,
      ]
    } else {
      throw this.usageError(`Spec type ${spec.type} not supported.`)
    }
  }

async convertVersionsToSpecs ([a, b]) {
    const semverA = semver.validRange(a)
    const semverB = semver.validRange(b)

// both specs are semver versions, assume current project dir name
    if (semverA && semverB) {
      let pkgName
      try {
        const pkg = await readPackage(resolve(this.prefix, 'package.json'))
        pkgName = pkg.name
      } catch (e) {
        log.verbose('diff', 'could not read project dir package.json')
      }

if (!pkgName) {
        throw this.usageError('Needs to be run from a project dir in order to diff two versions.')
      }

return [`${pkgName}@${a}`, `${pkgName}@${b}`]
    }

// otherwise uses the name from the other arg to
    // figure out the spec.name of what to compare
    if (!semverA && semverB) {
      return [a, `${npa(a).name}@${b}`]
    }

if (semverA && !semverB) {
      return [`${npa(b).name}@${a}`, b]
    }

// no valid semver ranges used
    return [a, b]
  }

async findVersionsByPackageName (specs) {
    let actualTree
    try {
      const opts = {
        ...this.npm.flatOptions,
        path: this.top,
      }
      const arb = new Arborist(opts)
      actualTree = await arb.loadActual(opts)
    } catch (e) {
      log.verbose('diff', 'failed to load actual install tree')
    }

return specs.map(i => {
      const spec = npa(i)
      if (spec.rawSpec) {
        return i
      }

const node = actualTree
        && actualTree.inventory.query('name', spec.name)
          .values().next().value

const res = !node || !node.package || !node.package.version
        ? spec.fetchSpec
        : `file:${node.realpath.replace(/#/g, '%23')}`

return `${spec.name}@${res}`
    })
  }
}

module.exports = Diff

cmd: