The funding field in package.json is invalid. Use a valid URL/object/array per npm funding spec.
npm validates the funding field. Invalid types or malformed entries cause EFUNDINGINVALID during publish or install warnings.
Examples:
String URL:
"funding": "https://github.com/sponsors/you"Object:
"funding": { "type": "individual", "url": "https://github.com/sponsors/you" }Array of objects is also allowed.
Ensure funding URLs are valid HTTP(S) links.
After fixing funding, rerun npm publish or npm install.
Funding metadata is optional; keep it accurate to avoid warnings. Follow npm’s funding schema.
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