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module.exports = {
meta: {
type: 'problem',
docs: {
description: 'disallow unescaped HTML literals',
url: require('../url')(module),
},
schema: [],
},
create(context) {
const htmlOpenTag = /^<[a-zA-Z]/
const message = 'Unescaped HTML literal. Use html`` tag template literal for secure escaping.'
return {
Literal(node) {
if (!htmlOpenTag.test(node.value)) return
context.report({
node,
message,
})
},
TemplateLiteral(node) {
if (!htmlOpenTag.test(node.quasis[0].value.raw)) return
if (!node.parent.tag || node.parent.tag.name !== 'html') {
context.report({
node,
message,
})
}
},
}
},
}