replace: objectGuards not working

[privatenumber]

• Rollup Plugin Name: @rollup/plugin-replace
• Rollup Plugin Version: 4.0.0
• Rollup Version: 2.70.2
• Operating System (or Browser):
• Node Version:
• Link to reproduction (⚠️ read below): https://github.com/privatenumber/issue-reproductions/tree/master/reproductions/rollup/plugins/1178

Input

index.js

if (typeof process !== 'undefined' && process.env.NODE_ENV === 'production') {
	console.log('production');
}

Expected Behavior

@rollup/plugin-replace README says the output should be:

if ('object' !== 'undefined' && 'production' === 'production') {
  console.log('production');
}

Actual Behavior

typeof process is not replaced.

Output

if (typeof process !== 'undefined' && "production" === 'production') {
	console.log('production');
}

Additional Information

There is no regression. Looks like the feature was merged when it was not working: #1084 (comment)

[stale]

Hey folks. This issue hasn't received any traction for 60 days, so we're going to close this for housekeeping. If this is still an ongoing issue, please do consider contributing a Pull Request to resolve it. Further discussion is always welcome even with the issue closed. If anything actionable is posted in the comments, we'll consider reopening it. ⓘ

[niba1122]

I met same problem and maybe actual issue.
Internal patterns for typeof (e.g. typeof process !==) does not work because of delimiters ['\\b', '\\b(?!\\.)'] added by #1088.

[privatenumber]

I don't think it was ever working:

There is no regression. Looks like the feature was merged when it was not working: #1084 (comment)