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mainValidity

Enforces that the main property is valid.

✅ This rule is included in the package-json logical presets.

This rule checks that the main property is a non-empty string.

Examples

Section titled “Examples”
5<3{d ivclassNa="meec-li">nt< sp ansty="le--0:#7FDBCA;--1:#096E">72"mai53:< [sp ansty="le--0:#D9F5DD;--1:#1111">1<1"sp ansty="le--0:#C789D6;--1:#7C56">86index.1<1"sp ansty="le--0:#D6DEEB;--1:#403F">53<, sp ansty="le--0:#D9F5DD;--1:#1111">1<1"sp ansty="le--0:#C789D6;--1:#7C56">86secondary.1<1"sp ansty="le--0:#D6DEEB;--1:#403F">5<3]d ivclassNa="meec-li">5<3}d ivclassNa="meco"><}d>
3de6E72"m3F<53: spans="tyle--0:#D9F5DD;--1:#11">1<111" spans="tyle--0:#C789D6;--1:#7C">5686inde1<111 "divclass="Nameec-">3

When Not To Use It

Section titled “When Not To Use It”

If you don’t need compliance with npm’s main field specification, you can disable this rule. For example, if you use a different package manager that treats the field differently, this rule may not be correct for you.

Section titled “Related Rules”
  • mainPresence - Enforces that the main property is present.

Further Reading

Section titled “Further Reading”

Equivalents in Other Linters

Section titled “Equivalents in Other Linters”