61 lines
2 KiB
JavaScript
61 lines
2 KiB
JavaScript
|
/**
|
||
|
|
* @author Niklas Higi
|
||
|
|
*/
|
||
|
|
'use strict'
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------
|
||
|
|
// Requirements
|
||
|
|
// ------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
const utils = require('../utils')
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------------
|
||
|
|
// Rule Definition
|
||
|
|
// ------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
meta: {
|
||
|
|
type: 'suggestion',
|
||
|
|
docs: {
|
||
|
|
description: 'enforce or forbid parentheses after method calls without arguments in `v-on` directives',
|
||
|
|
category: undefined,
|
||
|
|
url: 'https://eslint.vuejs.org/rules/v-on-function-call.html'
|
||
|
|
},
|
||
|
|
fixable: 'code',
|
||
|
|
schema: [
|
||
|
|
{ enum: ['always', 'never'] }
|
||
|
|
]
|
||
|
|
},
|
||
|
|
|
||
|
|
create (context) {
|
||
|
|
const always = context.options[0] === 'always'
|
||
|
|
|
||
|
|
return utils.defineTemplateBodyVisitor(context, {
|
||
|
|
"VAttribute[directive=true][key.name='on'][key.argument!=null] > VExpressionContainer > Identifier" (node) {
|
||
|
|
if (!always) return
|
||
|
|
context.report({
|
||
|
|
node,
|
||
|
|
loc: node.loc,
|
||
|
|
message: "Method calls inside of 'v-on' directives must have parentheses."
|
||
|
|
})
|
||
|
|
},
|
||
|
|
|
||
|
|
"VAttribute[directive=true][key.name='on'][key.argument!=null] VOnExpression > ExpressionStatement > *" (node) {
|
||
|
|
if (!always && node.type === 'CallExpression' && node.arguments.length === 0) {
|
||
|
|
context.report({
|
||
|
|
node,
|
||
|
|
loc: node.loc,
|
||
|
|
message: "Method calls without arguments inside of 'v-on' directives must not have parentheses.",
|
||
|
|
fix: fixer => {
|
||
|
|
const nodeString = context.getSourceCode().getText().substring(node.range[0], node.range[1])
|
||
|
|
// This ensures that parens are also removed if they contain whitespace
|
||
|
|
const parensLength = nodeString.match(/\(\s*\)\s*$/)[0].length
|
||
|
|
return fixer.removeRange([node.end - parensLength, node.end])
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|