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'use strict'
// Partially based on eslint-plugin-react-native.
// Portions of code by Alex Zhukov, MIT license.
function hasOnlyLineBreak(value) {
return /^[\r\n\t\f\v]+$/.test(value.replace(/ /g, ''))
}
function getTagName(node) {
const reversedIdentifiers = []
if (
node.type === 'JSXElement' &&
node.openingElement.type === 'JSXOpeningElement'
) {
let object = node.openingElement.name
while (object.type === 'JSXMemberExpression') {
if (object.property.type === 'JSXIdentifier') {
reversedIdentifiers.push(object.property.name)
}
object = object.object
}
if (object.type === 'JSXIdentifier') {
reversedIdentifiers.push(object.name)
}
}
return reversedIdentifiers.reverse().join('.')
}
exports.create = function create(context) {
const options = context.options[0] || {}
const impliedTextProps = options.impliedTextProps ?? []
const impliedTextComponents = options.impliedTextComponents ?? []
const textProps = [...impliedTextProps]
const textComponents = ['Text', ...impliedTextComponents]
return {
JSXText(node) {
if (typeof node.value !== 'string' || hasOnlyLineBreak(node.value)) {
return
}
let parent = node.parent
while (parent) {
if (parent.type === 'JSXElement') {
const tagName = getTagName(parent)
if (textComponents.includes(tagName) || tagName.endsWith('Text')) {
// We're good.
return
}
if (tagName === 'Trans') {
// Skip over it and check above.
// TODO: Maybe validate that it's present.
parent = parent.parent
continue
}
let message = 'Wrap this string in <Text>.'
if (tagName !== 'View') {
message +=
' If <' +
tagName +
'> is guaranteed to render <Text>, ' +
'rename it to <' +
tagName +
'Text> or add it to impliedTextComponents.'
}
context.report({
node,
message,
})
return
}
if (
parent.type === 'JSXAttribute' &&
parent.name.type === 'JSXIdentifier' &&
parent.parent.type === 'JSXOpeningElement' &&
parent.parent.parent.type === 'JSXElement'
) {
const tagName = getTagName(parent.parent.parent)
const propName = parent.name.name
if (
textProps.includes(tagName + ' ' + propName) ||
propName === 'text' ||
propName.endsWith('Text')
) {
// We're good.
return
}
const message =
'Wrap this string in <Text>.' +
' If `' +
propName +
'` is guaranteed to be wrapped in <Text>, ' +
'rename it to `' +
propName +
'Text' +
'` or add it to impliedTextProps.'
context.report({
node,
message,
})
return
}
parent = parent.parent
continue
}
},
}
}
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