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Contents
/**
* @fileoverview Validate closing tag location in JSX
* @author Ross Solomon
*/
'use strict';
const astUtil = require('../util/ast');
const docsUrl = require('../util/docsUrl');
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: 'Validate closing tag location for multiline JSX',
category: 'Stylistic Issues',
recommended: false,
url: docsUrl('jsx-closing-tag-location')
},
fixable: 'whitespace'
},
create: function(context) {
return {
JSXClosingElement: function(node) {
if (!node.parent) {
return;
}
const opening = node.parent.openingElement;
if (opening.loc.start.line === node.loc.start.line) {
return;
}
if (opening.loc.start.column === node.loc.start.column) {
return;
}
let message;
if (!astUtil.isNodeFirstInLine(context, node)) {
message = 'Closing tag of a multiline JSX expression must be on its own line.';
} else {
message = 'Expected closing tag to match indentation of opening.';
}
context.report({
node: node,
loc: node.loc,
message,
fix: function(fixer) {
const indent = Array(opening.loc.start.column + 1).join(' ');
if (astUtil.isNodeFirstInLine(context, node)) {
return fixer.replaceTextRange(
[node.range[0] - node.loc.start.column, node.range[0]],
indent
);
}
return fixer.insertTextBefore(node, `\n${indent}`);
}
});
}
};
}
};
Version data entries
43 entries across 43 versions & 1 rubygems