fix(perf): lazy loading optimizations

Author: wraithgar

lib/base-command.js

@@ -1,9 +1,3 @@
-// Base class for npm commands
-
-const { relative } = require('path')
-
-const { definitions } = require('@npmcli/config/lib/definitions')
-const { aliases: cmdAliases } = require('./utils/cmd-list')
 const { log, output } = require('proc-log')
 
 class BaseCommand {
@@ -18,6 +12,8 @@ class BaseCommand {
   // this is a static so that we can read from it without instantiating a command
   // which would require loading the config
   static get describeUsage () {
+    const { definitions } = require('@npmcli/config/lib/definitions')
+    const { aliases: cmdAliases } = require('./utils/cmd-list')
     const seenExclusive = new Set()
     const wrapWidth = 80
     const { description, usage = [''], name, params } = this
@@ -161,6 +157,8 @@ class BaseCommand {
   }
 
   async setWorkspaces () {
+    const { relative } = require('node:path')
+
     const includeWorkspaceRoot = this.isArboristCmd
       ? false
       : this.npm.config.get('include-workspace-root')

lib/cli.js

@@ -1,4 +1,4 @@
 const validateEngines = require('./es6/validate-engines.js')
-const cliEntry = require('path').resolve(__dirname, 'cli-entry.js')
+const cliEntry = require('node:path').resolve(__dirname, 'cli-entry.js')
 
 module.exports = (process) => validateEngines(process, () => require(cliEntry))

lib/commands/config.js

@@ -1,8 +1,7 @@
-const { mkdir, readFile, writeFile } = require('fs/promises')
-const { dirname, resolve } = require('path')
-const { spawn } = require('child_process')
-const { EOL } = require('os')
-const ini = require('ini')
+const { mkdir, readFile, writeFile } = require('node:fs/promises')
+const { dirname, resolve } = require('node:path')
+const { spawn } = require('node:child_process')
+const { EOL } = require('node:os')
 const localeCompare = require('@isaacs/string-locale-compare')('en')
 const pkgJson = require('@npmcli/package-json')
 const { defaults, definitions } = require('@npmcli/config/lib/definitions')
@@ -201,6 +200,7 @@ class Config extends BaseCommand {
   }
 
   async edit () {
+    const ini = require('ini')
     const e = this.npm.flatOptions.editor
     const where = this.npm.flatOptions.location
     const file = this.npm.config.data.get(where).source

lib/commands/help-search.js

@@ -1,5 +1,5 @@
-const { readFile } = require('fs/promises')
-const path = require('path')
+const { readFile } = require('node:fs/promises')
+const path = require('node:path')
 const { glob } = require('glob')
 const { output } = require('proc-log')
 const BaseCommand = require('../base-command.js')

lib/commands/install.js

@@ -1,13 +1,10 @@
-/* eslint-disable camelcase */
-const fs = require('fs')
-const util = require('util')
-const readdir = util.promisify(fs.readdir)
-const reifyFinish = require('../utils/reify-finish.js')
+const { readdir } = require('node:fs/promises')
+const { resolve, join } = require('node:path')
 const { log } = require('proc-log')
-const { resolve, join } = require('path')
 const runScript = require('@npmcli/run-script')
 const pacote = require('pacote')
 const checks = require('npm-install-checks')
+const reifyFinish = require('../utils/reify-finish.js')
 
 const ArboristWorkspaceCmd = require('../arborist-cmd.js')
 class Install extends ArboristWorkspaceCmd {

lib/commands/query.js

@@ -1,6 +1,6 @@
 'use strict'
 
-const { resolve } = require('path')
+const { resolve } = require('node:path')
 const BaseCommand = require('../base-command.js')
 const { log, output } = require('proc-log')
 

lib/commands/run-script.js

@@ -1,20 +1,5 @@
-const runScript = require('@npmcli/run-script')
-const { isServerPackage } = runScript
-const pkgJson = require('@npmcli/package-json')
 const { log, output } = require('proc-log')
-const didYouMean = require('../utils/did-you-mean.js')
-const { isWindowsShell } = require('../utils/is-windows.js')
-
-const cmdList = [
-  'publish',
-  'install',
-  'uninstall',
-  'test',
-  'stop',
-  'start',
-  'restart',
-  'version',
-].reduce((l, p) => l.concat(['pre' + p, p, 'post' + p]), [])
+const pkgJson = require('@npmcli/package-json')
 
 const BaseCommand = require('../base-command.js')
 class RunScript extends BaseCommand {
@@ -64,9 +49,7 @@ class RunScript extends BaseCommand {
   }
 
   async run ([event, ...args], { path = this.npm.localPrefix, pkg } = {}) {
-    // this || undefined is because runScript will be unhappy with the default
-    // null value
-    const scriptShell = this.npm.config.get('script-shell') || undefined
+    const runScript = require('@npmcli/run-script')
 
     if (!pkg) {
       const { content } = await pkgJson.normalize(path)
@@ -77,19 +60,21 @@ class RunScript extends BaseCommand {
     if (event === 'restart' && !scripts.restart) {
       scripts.restart = 'npm stop --if-present && npm start'
     } else if (event === 'env' && !scripts.env) {
+      const { isWindowsShell } = require('../utils/is-windows.js')
       scripts.env = isWindowsShell ? 'SET' : 'env'
     }
 
     pkg.scripts = scripts
 
     if (
       !Object.prototype.hasOwnProperty.call(scripts, event) &&
-      !(event === 'start' && (await isServerPackage(path)))
+      !(event === 'start' && (await runScript.isServerPackage(path)))
     ) {
       if (this.npm.config.get('if-present')) {
         return
       }
 
+      const didYouMean = require('../utils/did-you-mean.js')
       const suggestions = await didYouMean(path, event)
       throw new Error(
         `Missing script: "${event}"${suggestions}\n\nTo see a list of scripts, run:\n  npm run`
@@ -111,7 +96,9 @@ class RunScript extends BaseCommand {
     for (const [ev, evArgs] of events) {
       await runScript({
         path,
-        scriptShell,
+        // this || undefined is because runScript will be unhappy with the
+        // default null value
+        scriptShell: this.npm.config.get('script-shell') || undefined,
         stdio: 'inherit',
         pkg,
         event: ev,
@@ -147,6 +134,17 @@ class RunScript extends BaseCommand {
       return allScripts
     }
 
+    // TODO this is missing things like prepare, prepublishOnly, and dependencies
+    const cmdList = [
+      'preinstall', 'install', 'postinstall',
+      'prepublish', 'publish', 'postpublish',
+      'prerestart', 'restart', 'postrestart',
+      'prestart', 'start', 'poststart',
+      'prestop', 'stop', 'poststop',
+      'pretest', 'test', 'posttest',
+      'preuninstall', 'uninstall', 'postuninstall',
+      'preversion', 'version', 'postversion',
+    ]
     const indent = '\n    '
     const prefix = '  '
     const cmds = []

lib/commands/version.js

@@ -1,10 +1,7 @@
-const libnpmversion = require('libnpmversion')
-const { resolve } = require('path')
-const { promisify } = require('util')
+const { resolve } = require('node:path')
+const { readFile } = require('node:fs/promises')
 const { output } = require('proc-log')
-const readFile = promisify(require('fs').readFile)
 
-const updateWorkspaces = require('../workspaces/update-workspaces.js')
 const BaseCommand = require('../base-command.js')
 
 class Version extends BaseCommand {
@@ -74,6 +71,7 @@ class Version extends BaseCommand {
   }
 
   async change (args) {
+    const libnpmversion = require('libnpmversion')
     const prefix = this.npm.config.get('tag-version-prefix')
     const version = await libnpmversion(args[0], {
       ...this.npm.flatOptions,
@@ -83,20 +81,33 @@ class Version extends BaseCommand {
   }
 
   async changeWorkspaces (args) {
+    const updateWorkspaces = require('../workspaces/update-workspaces.js')
+    const libnpmversion = require('libnpmversion')
     const prefix = this.npm.config.get('tag-version-prefix')
+    const {
+      config,
+      flatOptions,
+      localPrefix,
+    } = this.npm
     await this.setWorkspaces()
     const updatedWorkspaces = []
     for (const [name, path] of this.workspaces) {
       output.standard(name)
       const version = await libnpmversion(args[0], {
-        ...this.npm.flatOptions,
+        ...flatOptions,
         'git-tag-version': false,
         path,
       })
       updatedWorkspaces.push(name)
       output.standard(`${prefix}${version}`)
     }
-    return this.update(updatedWorkspaces)
+    return updateWorkspaces({
+      config,
+      flatOptions,
+      localPrefix,
+      npm: this.npm,
+      workspaces: updatedWorkspaces,
+    })
   }
 
   async list (results = {}) {
@@ -136,22 +147,6 @@ class Version extends BaseCommand {
     }
     return this.list(results)
   }
-
-  async update (workspaces) {
-    const {
-      config,
-      flatOptions,
-      localPrefix,
-    } = this.npm
-
-    await updateWorkspaces({
-      config,
-      flatOptions,
-      localPrefix,
-      npm: this.npm,
-      workspaces,
-    })
-  }
 }
 
 module.exports = Version

lib/npm.js

@@ -1,7 +1,7 @@
-const { resolve, dirname, join } = require('path')
+const { resolve, dirname, join } = require('node:path')
 const Config = require('@npmcli/config')
 const which = require('which')
-const fs = require('fs/promises')
+const fs = require('node:fs/promises')
 
 // Patch the global fs module here at the app level
 require('graceful-fs').gracefulify(require('fs'))

lib/package-url-cmd.js

@@ -1,7 +1,6 @@
 // Base command for opening urls from a package manifest (bugs, docs, repo)
 
 const pacote = require('pacote')
-const hostedGitInfo = require('hosted-git-info')
 
 const openUrl = require('./utils/open-url.js')
 const { log } = require('proc-log')
@@ -52,6 +51,7 @@ class PackageUrlCommand extends BaseCommand {
   // repository (if a string) or repository.url (if an object) returns null
   // if it's not a valid repo, or not a known hosted repo
   hostedFromMani (mani) {
+    const hostedGitInfo = require('hosted-git-info')
     const r = mani.repository
     const rurl = !r ? null
       : typeof r === 'string' ? r