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