fix: don't reify if package.json doesn't exist or is empty object

DEPENDENCIES.md

@@ -134,6 +134,7 @@ graph LR;
  npm-->pacote;
  npm-->parse-conflict-json;
  npm-->proc-log;
+ npm-->read-package-json-fast;
  npm-->read;
  npm-->semver;
  npm-->ssri;
@@ -553,6 +554,7 @@ graph LR;
  npm-->parse-conflict-json;
  npm-->proc-log;
  npm-->qrcode-terminal;
+ npm-->read-package-json-fast;
  npm-->read;
  npm-->remark-gfm;
  npm-->remark-github;

lib/commands/install.js

@@ -8,6 +8,8 @@ const { resolve, join } = require('path')
 const runScript = require('@npmcli/run-script')
 const pacote = require('pacote')
 const checks = require('npm-install-checks')
+const path = require('node:path')
+const rpj = require('read-package-json-fast')
 
 const ArboristWorkspaceCmd = require('../arborist-cmd.js')
 class Install extends ArboristWorkspaceCmd {
@@ -140,6 +142,19 @@ class Install extends ArboristWorkspaceCmd {
  throw this.usageError()
  }
 
+ if (!isGlobalInstall) {
+ const pkgPath = path.join(this.npm.prefix, './package.json')
+ const pkg = await rpj(pkgPath)
+ const isPkgEmpty = Object.keys(pkg).length === 0 && pkg.constructor === Object
+
+ const emptyJson = new Error()
+ emptyJson.code = 'EEMPTYPKGJSON'
+ emptyJson.path = pkgPath
+ if (isPkgEmpty) {
+ throw emptyJson
+ }
+ }
+
  const Arborist = require('@npmcli/arborist')
  const opts = {
  ...this.npm.flatOptions,

lib/utils/error-message.js

@@ -409,6 +409,14 @@ const errorMessage = (er, npm) => {
  ])
  break
 
+ case 'EEMPTYPKGJSON':
+ short.push(['eemptypkgjson', er.message])
+ detail.push([
+ 'eemptypkgjson',
+ 'The root of package.json is an empty object',
+ ])
+ break
+
  default:
  short.push(['', er.message || er])
  if (er.signal) {

package-lock.json

@@ -148,6 +148,7 @@
  "proc-log": "^3.0.0",
  "qrcode-terminal": "^0.12.0",
  "read": "^2.1.0",
+ "read-package-json-fast": "^3.0.2",
  "semver": "^7.5.4",
  "spdx-expression-parse": "^3.0.1",
  "ssri": "^10.0.5",

package.json

@@ -110,6 +110,7 @@
  "proc-log": "^3.0.0",
  "qrcode-terminal": "^0.12.0",
  "read": "^2.1.0",
+ "read-package-json-fast": "^3.0.2",
  "semver": "^7.5.4",
  "spdx-expression-parse": "^3.0.1",
  "ssri": "^10.0.5",
@@ -183,6 +184,7 @@
  "proc-log",
  "qrcode-terminal",
  "read",
+ "read-package-json-fast",
  "semver",
  "spdx-expression-parse",
  "ssri",