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113 lines
3.0 KiB
113 lines
3.0 KiB
3 years ago
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'use strict'
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const utils = require('../utils')
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const casing = require('../utils/casing')
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module.exports = {
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meta: {
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docs: {
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description:
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'enforce v-on event naming style on custom components in template',
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categories: ['vue3-strongly-recommended'],
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url: 'https://eslint.vuejs.org/rules/v-on-event-hyphenation.html'
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},
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fixable: 'code',
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schema: [
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{
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enum: ['always', 'never']
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},
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{
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type: 'object',
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properties: {
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autofix: { type: 'boolean' },
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ignore: {
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type: 'array',
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items: {
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allOf: [
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{ type: 'string' },
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{ not: { type: 'string', pattern: ':exit$' } },
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{ not: { type: 'string', pattern: '^\\s*$' } }
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]
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},
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uniqueItems: true,
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additionalItems: false
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}
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},
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additionalProperties: false
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}
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],
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type: 'suggestion'
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},
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/** @param {RuleContext} context */
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create(context) {
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const sourceCode = context.getSourceCode()
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const option = context.options[0]
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const optionsPayload = context.options[1]
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const useHyphenated = option !== 'never'
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/** @type {string[]} */
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const ignoredAttributes = (optionsPayload && optionsPayload.ignore) || []
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const autofix = Boolean(optionsPayload && optionsPayload.autofix)
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const caseConverter = casing.getConverter(
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useHyphenated ? 'kebab-case' : 'camelCase'
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)
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/**
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* @param {VDirective} node
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* @param {VIdentifier} argument
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* @param {string} name
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*/
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function reportIssue(node, argument, name) {
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const text = sourceCode.getText(node.key)
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context.report({
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node: node.key,
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loc: node.loc,
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message: useHyphenated
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? "v-on event '{{text}}' must be hyphenated."
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: "v-on event '{{text}}' can't be hyphenated.",
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data: {
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text
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},
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fix:
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autofix &&
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// It cannot be converted in snake_case.
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!name.includes('_')
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? (fixer) => {
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return fixer.replaceText(argument, caseConverter(name))
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}
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: null
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})
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}
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/**
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* @param {string} value
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*/
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function isIgnoredAttribute(value) {
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const isIgnored = ignoredAttributes.some((attr) => {
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return value.includes(attr)
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})
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if (isIgnored) {
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return true
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}
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return useHyphenated ? value.toLowerCase() === value : !/-/.test(value)
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}
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return utils.defineTemplateBodyVisitor(context, {
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"VAttribute[directive=true][key.name.name='on']"(node) {
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if (!utils.isCustomComponent(node.parent.parent)) return
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if (!node.key.argument || node.key.argument.type !== 'VIdentifier') {
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return
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}
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const name = node.key.argument.rawName
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if (!name || isIgnoredAttribute(name)) return
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reportIssue(node, node.key.argument, name)
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}
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})
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}
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}
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