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/**
* @author Toru Nagashima
* @copyright 2016 Toru Nagashima. All rights reserved.
* See LICENSE file in root directory for full license.
*/
'use strict'
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
const utils = require('../utils')
// ------------------------------------------------------------------------------
// Helpers
// ------------------------------------------------------------------------------
function getPhrase (lineBreaks) {
switch (lineBreaks) {
case 0: return 'no line breaks'
case 1: return '1 line break'
default: return `${lineBreaks} line breaks`
}
}
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "require or disallow a line break before tag's closing brackets",
category: undefined,
url: 'https://github.com/vuejs/eslint-plugin-vue/blob/v4.7.1/docs/rules/html-closing-bracket-newline.md'
},
fixable: 'whitespace',
schema: [{
type: 'object',
properties: {
'singleline': { enum: ['always', 'never'] },
'multiline': { enum: ['always', 'never'] }
},
additionalProperties: false
}]
},
create (context) {
const options = context.options[0] || {}
const template = context.parserServices.getTemplateBodyTokenStore && context.parserServices.getTemplateBodyTokenStore()
return utils.defineTemplateBodyVisitor(context, {
'VStartTag, VEndTag' (node) {
const closingBracketToken = template.getLastToken(node)
if (closingBracketToken.type !== 'HTMLSelfClosingTagClose' && closingBracketToken.type !== 'HTMLTagClose') {
return
}
const prevToken = template.getTokenBefore(closingBracketToken)
const type = (node.loc.start.line === prevToken.loc.end.line) ? 'singleline' : 'multiline'
const expectedLineBreaks = (options[type] === 'always') ? 1 : 0
const actualLineBreaks = (closingBracketToken.loc.start.line - prevToken.loc.end.line)
if (actualLineBreaks !== expectedLineBreaks) {
context.report({
node,
loc: {
start: prevToken.loc.end,
end: closingBracketToken.loc.start
},
message: 'Expected {{expected}} before closing bracket, but {{actual}} found.',
data: {
expected: getPhrase(expectedLineBreaks),
actual: getPhrase(actualLineBreaks)
},
fix (fixer) {
const range = [prevToken.range[1], closingBracketToken.range[0]]
const text = '\n'.repeat(expectedLineBreaks)
return fixer.replaceTextRange(range, text)
}
})
}
}
})
}
}