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99 lines
2.5 KiB
99 lines
2.5 KiB
/**
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* @fileoverview Emit definitions should be detailed
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* @author Pig Fang
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*/
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'use strict'
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const utils = require('../utils')
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/**
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* @typedef {import('../utils').ComponentEmit} ComponentEmit
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*/
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module.exports = {
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meta: {
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type: 'suggestion',
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docs: {
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description: 'require type definitions in emits',
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categories: undefined,
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url: 'https://eslint.vuejs.org/rules/require-emit-validator.html'
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},
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fixable: null,
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hasSuggestions: true,
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schema: [],
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messages: {
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missing: 'Emit "{{name}}" should define at least its validator function.',
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skipped:
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'Emit "{{name}}" should not skip validation, or you may define a validator function with no parameters.',
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emptyValidation: 'Replace with a validator function with no parameters.'
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}
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},
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/** @param {RuleContext} context */
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create(context) {
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/**
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* @param {ComponentEmit} emit
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*/
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function checker(emit) {
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/** @type {Expression|null} */
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let value = null
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let hasType = false
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if (emit.type === 'object') {
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value = emit.value
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hasType =
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value.type === 'ArrowFunctionExpression' ||
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value.type === 'FunctionExpression' ||
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// validator may from outer scope
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value.type === 'Identifier'
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} else if (emit.type !== 'array') {
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return
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}
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if (!hasType) {
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const { node, emitName } = emit
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const name =
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emitName ||
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(node.type === 'Identifier' && node.name) ||
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'Unknown emit'
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if (value && value.type === 'Literal' && value.value === null) {
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const valueNode = value
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context.report({
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node,
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messageId: 'skipped',
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data: { name },
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suggest: [
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{
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messageId: 'emptyValidation',
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fix: (fixer) => fixer.replaceText(valueNode, '() => true')
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}
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]
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})
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return
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}
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context.report({
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node,
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messageId: 'missing',
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data: { name }
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})
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}
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}
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return utils.compositingVisitors(
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utils.executeOnVue(context, (obj) => {
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for (const emit of utils.getComponentEmitsFromOptions(obj)) {
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checker(emit)
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}
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}),
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utils.defineScriptSetupVisitor(context, {
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onDefineEmitsEnter(_node, emits) {
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for (const emit of emits) {
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checker(emit)
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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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