Unable to resolve dependency tree when installing @salesforce/sfdx-lwc-jest

[metalshark]

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Summary

Unable to resolve dependency tree when installing installing @salesforce/sfdx-lwc-jest on Windows 11 using cli version 2.61.8-ec7097b.

Steps To Reproduce

Create a new standard project on Windows 11 using sf cli version 2.61.8-ec7097b
Run the command sf force lightning lwc test setup

Expected result

Jest is added to the project

Actual result

Installing @salesforce/sfdx-lwc-jest node package...
npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: [email protected]
npm error Found: [email protected]
npm error node_modules/eslint
npm error   dev eslint@"^9.9.1" from the root project
npm error   peer eslint@"^7.5.0 || ^8.0.0 || ^9.0.0" from @babel/[email protected]
npm error   node_modules/@babel/eslint-parser
npm error     peer @babel/eslint-parser@"^7" from @lwc/[email protected]
npm error     node_modules/@lwc/eslint-plugin-lwc
npm error       dev @lwc/eslint-plugin-lwc@"^1.1.2" from the root project
npm error
npm error Could not resolve dependency:
npm error peer eslint@"^7 || ^8" from @lwc/[email protected]
npm error node_modules/@lwc/eslint-plugin-lwc
npm error   dev @lwc/eslint-plugin-lwc@"^1.1.2" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error npm-cache\_logs\2024-10-12T11_33_32_828Z-eresolve-report.txt
npm error A complete log of this run can be found in: npm-cache\_logs\2024-10-12T11_33_32_828Z-debug-0.log
ERROR running force:lightning:lwc:test:setup:  Error installing @salesforce/sfdx-lwc-jest: 'Command failed: npm install --save-dev @salesforce/sfdx-lwc-jest'

System Information

Using Powershell

{
  "architecture": "win32-x64",
  "cliVersion": "@salesforce/cli/2.61.8",
  "nodeVersion": "node-v20.17.0",
  "osVersion": "Windows_NT 10.0.22631",
  "rootPath": "sf\\client\\2.61.8-ec7097b",
  "shell": "powershell",
  "pluginVersions": [
    "@oclif/plugin-autocomplete 3.2.5 (core)",
    "@oclif/plugin-commands 4.0.16 (core)",
    "@oclif/plugin-help 6.2.13 (core)",
    "@oclif/plugin-not-found 3.2.22 (core)",
    "@oclif/plugin-plugins 5.4.10 (core)",
    "@oclif/plugin-search 1.2.10 (core)",
    "@oclif/plugin-update 4.5.10 (core)",
    "@oclif/plugin-version 2.2.14 (core)",
    "@oclif/plugin-warn-if-update-available 3.1.18 (core)",
    "@oclif/plugin-which 3.2.15 (core)",
    "@salesforce/cli 2.61.8 (core)",
    "@salesforce/lwc-dev-mobile 2.3.0 (user) published 351 days ago (Thu Oct 26 2023)",
    "apex 3.5.0 (core)",
    "api 1.2.2 (core)",
    "auth 3.6.65 (core)",
    "data 3.6.8 (core)",
    "deploy-retrieve 3.12.15 (core)",
    "info 3.4.9 (core)",
    "limits 3.3.32 (core)",
    "marketplace 1.2.26 (core)",
    "org 4.6.0 (core)",
    "packaging 2.8.10 (core)",
    "schema 3.3.34 (core)",
    "settings 2.3.23 (core)",
    "sobject 1.4.40 (core)",
    "source 3.5.21 (core)",
    "telemetry 3.6.15 (core)",
    "templates 56.3.21 (core)",
    "trust 3.7.32 (core)",
    "user 3.5.32 (core)",
    "@salesforce/sfdx-plugin-lwc-test 1.2.0 (user) published 220 days ago (Tue Mar 05 2024) (latest is 1.2.1)"
  ]
}

[github-actions]

Thank you for filing this issue. We appreciate your feedback and will review the issue as soon as possible. Remember, however, that GitHub isn't a mechanism for receiving support under any agreement or SLA. If you require immediate assistance, contact Salesforce Customer Support.

[metalshark]

I've changed the default package.json to use eslint ^8.57.0 like eslint-plugin-lwc does for now and it's working.

[mdonnalley]

There's an open issue for this: salesforce/eslint-config-lwc#128