vue hello world项目
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/**
* @author Sosuke Suzuki
*/
'use strict'
const utils = require('../utils')
module.exports = {
meta: {
type: 'problem',
docs: {
description: 'disallow using arrow functions to define watcher',
categories: ['vue3-essential', 'essential'],
url: 'https://eslint.vuejs.org/rules/no-arrow-functions-in-watch.html'
},
fixable: null,
schema: []
},
/** @param {RuleContext} context */
create(context) {
return utils.executeOnVue(context, (obj) => {
const watchNode = utils.findProperty(obj, 'watch')
if (watchNode == null) {
return
}
const watchValue = watchNode.value
if (watchValue.type !== 'ObjectExpression') {
return
}
for (const property of watchValue.properties) {
if (property.type !== 'Property') {
continue
}
for (const handler of utils.iterateWatchHandlerValues(property)) {
if (handler.type === 'ArrowFunctionExpression') {
context.report({
node: handler,
message:
'You should not use an arrow function to define a watcher.'
})
}
}
}
})
}
}