package.json missing a main key

[jude]

Describe the bug

require("leaflet.browser.print") is failing to find the leaflet.browser.print module.

If I add a main': 'dist/leaflet.browser.print.js key/value to package.json, the module is found.

As per https://docs.npmjs.com/cli/v9/configuring-npm/package-json#main, main defaults to index.js in the package's root folder. but there is no index.js in this module.

To Reproduce

• Include 'leaflet.browser.print' as a dependency in your project's package.json file
• Verify that leaflet.browser.print is included in your node_modules directory
• Include a require('package.browser.print') line in your project's index.js file
• 'npm start' fails with the error below

> browserify -d src/index.js -s myproject > bundle.raw.js && uglifyjs bundle.raw.js -c -m --source-map "filename=bundle.js.map" -o bundle.js

Error: Cannot find module 'leaflet.browser.print' from '/opt/myproject/src'
    at /opt/myproject/node_modules/browserify/node_modules/browser-resolve/node_modules/resolve/lib/async.js:46:17
...

Expected behavior

• npm build doesn't give an error about not being to find the module.

Screenshots
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Desktop (please complete the following information):
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Smartphone (please complete the following information):
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Additional context
This is a 1 line fix that I'll submit an PR for momentarily.

[Igor-Vladyka]

Great, thanks.

[gugudetbaba]

Hello,
if I install via npm, the main key is still missing in the package.json. Maybe it is just a problem on my system, nonetheless I wanted to mention it.