jsx-space-before-closing.js
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/**
* @fileoverview Validate spacing before closing bracket in JSX.
* @author ryym
* @deprecated
*/
'use strict';
const getTokenBeforeClosingBracket = require('../util/getTokenBeforeClosingBracket');
const docsUrl = require('../util/docsUrl');
const log = require('../util/log');
const report = require('../util/report');
let isWarnedForDeprecation = false;
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
const messages = {
noSpaceBeforeClose: 'A space is forbidden before closing bracket',
needSpaceBeforeClose: 'A space is required before closing bracket',
};
module.exports = {
meta: {
deprecated: true,
docs: {
description: 'Enforce spacing before closing bracket in JSX',
category: 'Stylistic Issues',
recommended: false,
url: docsUrl('jsx-space-before-closing'),
},
fixable: 'code',
messages,
schema: [{
enum: ['always', 'never'],
}],
},
create(context) {
const configuration = context.options[0] || 'always';
// --------------------------------------------------------------------------
// Public
// --------------------------------------------------------------------------
return {
JSXOpeningElement(node) {
if (!node.selfClosing) {
return;
}
const sourceCode = context.getSourceCode();
const leftToken = getTokenBeforeClosingBracket(node);
const closingSlash = sourceCode.getTokenAfter(leftToken);
if (leftToken.loc.end.line !== closingSlash.loc.start.line) {
return;
}
if (configuration === 'always' && !sourceCode.isSpaceBetweenTokens(leftToken, closingSlash)) {
report(context, messages.needSpaceBeforeClose, 'needSpaceBeforeClose', {
loc: closingSlash.loc.start,
fix(fixer) {
return fixer.insertTextBefore(closingSlash, ' ');
},
});
} else if (configuration === 'never' && sourceCode.isSpaceBetweenTokens(leftToken, closingSlash)) {
report(context, messages.noSpaceBeforeClose, 'noSpaceBeforeClose', {
loc: closingSlash.loc.start,
fix(fixer) {
const previousToken = sourceCode.getTokenBefore(closingSlash);
return fixer.removeRange([previousToken.range[1], closingSlash.range[0]]);
},
});
}
},
Program() {
if (isWarnedForDeprecation) {
return;
}
log('The react/jsx-space-before-closing rule is deprecated. '
+ 'Please use the react/jsx-tag-spacing rule with the '
+ '"beforeSelfClosing" option instead.');
isWarnedForDeprecation = true;
},
};
},
};