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