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link-passhref.js
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link-passhref.js
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const NodeAttributes = require('../utils/node-attributes.js')
module.exports = {
meta: {
docs: {
description:
'Ensure passHref is assigned if child of Link component is a custom component',
category: 'HTML',
recommended: true,
},
fixable: null,
},
create: function (context) {
let linkImport = null
return {
ImportDeclaration(node) {
if (node.source.value === 'next/link') {
linkImport = node.specifiers[0].local.name
}
},
JSXOpeningElement(node) {
if (node.name.name !== 'Link' || node.name.name !== linkImport) {
return
}
const attributes = new NodeAttributes(node)
const children = node.parent.children
if (
!attributes.hasAny() ||
!attributes.has('href') ||
!children.some((attr) => attr.type === 'JSXElement')
) {
return
}
const hasPassHref =
attributes.has('passHref') &&
(typeof attributes.value('passHref') === 'undefined' ||
attributes.value('passHref') === true)
const hasAnchorChild = children.some(
(attr) =>
attr.type === 'JSXElement' && attr.openingElement.name.name === 'a'
)
if (!hasAnchorChild && !hasPassHref) {
context.report({
node,
message: `passHref ${
attributes.value('passHref') !== true
? 'must be set to true'
: 'is missing'
}. See https://nextjs.org/docs/messages/link-passhref`,
})
}
},
}
},
}