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/**
* @fileoverview enforce unified spacing in mustache interpolations.
* @author Armano
*/
'use strict'
const utils = require('../utils')
module.exports = {
meta: {
type: 'layout',
docs: {
description: 'enforce unified spacing in mustache interpolations',
categories: ['vue3-strongly-recommended', 'strongly-recommended'],
url: 'https://eslint.vuejs.org/rules/mustache-interpolation-spacing.html'
},
fixable: 'whitespace',
schema: [
{
enum: ['always', 'never']
}
]
},
/** @param {RuleContext} context */
create(context) {
const options = context.options[0] || 'always'
const template =
context.parserServices.getTemplateBodyTokenStore &&
context.parserServices.getTemplateBodyTokenStore()
return utils.defineTemplateBodyVisitor(context, {
/** @param {VExpressionContainer} node */
'VExpressionContainer[expression!=null]'(node) {
const openBrace = template.getFirstToken(node)
const closeBrace = template.getLastToken(node)
if (
!openBrace ||
!closeBrace ||
openBrace.type !== 'VExpressionStart' ||
closeBrace.type !== 'VExpressionEnd'
) {
return
}
const firstToken = template.getTokenAfter(openBrace, {
includeComments: true
})
const lastToken = template.getTokenBefore(closeBrace, {
includeComments: true
})
if (options === 'always') {
if (openBrace.range[1] === firstToken.range[0]) {
context.report({
node: openBrace,
message: "Expected 1 space after '{{', but not found.",
fix: (fixer) => fixer.insertTextAfter(openBrace, ' ')
})
}
if (closeBrace.range[0] === lastToken.range[1]) {
context.report({
node: closeBrace,
message: "Expected 1 space before '}}', but not found.",
fix: (fixer) => fixer.insertTextBefore(closeBrace, ' ')
})
}
} else {
if (openBrace.range[1] !== firstToken.range[0]) {
context.report({
loc: {
start: openBrace.loc.start,
end: firstToken.loc.start
},
message: "Expected no space after '{{', but found.",
fix: (fixer) =>
fixer.removeRange([openBrace.range[1], firstToken.range[0]])
})
}
if (closeBrace.range[0] !== lastToken.range[1]) {
context.report({
loc: {
start: lastToken.loc.end,
end: closeBrace.loc.end
},
message: "Expected no space before '}}', but found.",
fix: (fixer) =>
fixer.removeRange([lastToken.range[1], closeBrace.range[0]])
})
}
}
}
})
}
}