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114 lines
3.4 KiB
114 lines
3.4 KiB
1 month ago
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/**
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* @author Yosuke Ota
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* See LICENSE file in root directory for full license.
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*/
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'use strict'
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const canConvertToVSlotForElement = require('./utils/can-convert-to-v-slot')
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module.exports = {
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deprecated: '2.6.0',
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supported: '>=2.5.0 <3.0.0',
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/**
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* @param {RuleContext} context
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* @param {object} option
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* @param {boolean} [option.fixToUpgrade]
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* @returns {TemplateListener}
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*/
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createTemplateBodyVisitor(context, { fixToUpgrade } = {}) {
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const sourceCode = context.getSourceCode()
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const tokenStore =
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sourceCode.parserServices.getTemplateBodyTokenStore &&
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sourceCode.parserServices.getTemplateBodyTokenStore()
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/**
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* Checks whether the given node can convert to the `v-slot`.
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* @param {VStartTag} startTag node of `<element v-slot ... >`
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* @returns {boolean} `true` if the given node can convert to the `v-slot`
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*/
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function canConvertToVSlot(startTag) {
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if (
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!canConvertToVSlotForElement(startTag.parent, sourceCode, tokenStore)
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) {
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return false
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}
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const slotAttr = startTag.attributes.find(
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(attr) => attr.directive === false && attr.key.name === 'slot'
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)
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if (slotAttr) {
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// if the element have `slot` it can not be converted.
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// Conversion of `slot` is done with `vue/no-deprecated-slot-attribute`.
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return false
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}
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const vBindSlotAttr = startTag.attributes.find(
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(attr) =>
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attr.directive === true &&
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attr.key.name.name === 'bind' &&
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attr.key.argument &&
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attr.key.argument.type === 'VIdentifier' &&
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attr.key.argument.name === 'slot'
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)
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if (vBindSlotAttr) {
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// if the element have `v-bind:slot` it can not be converted.
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// Conversion of `v-bind:slot` is done with `vue/no-deprecated-slot-attribute`.
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return false
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}
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return true
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}
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/**
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* Convert to `v-slot`.
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* @param {RuleFixer} fixer fixer
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* @param {VDirective} scopeAttr node of `slot-scope`
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* @returns {Fix[]} fix data
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*/
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function fixSlotScopeToVSlot(fixer, scopeAttr) {
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const element = scopeAttr.parent.parent
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const scopeValue =
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scopeAttr && scopeAttr.value
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? `=${sourceCode.getText(scopeAttr.value)}`
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: ''
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const replaceText = `v-slot${scopeValue}`
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if (element.name === 'template') {
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return [fixer.replaceText(scopeAttr, replaceText)]
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} else {
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const tokenBefore = tokenStore.getTokenBefore(scopeAttr)
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return [
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fixer.removeRange([tokenBefore.range[1], scopeAttr.range[1]]),
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fixer.insertTextBefore(element, `<template ${replaceText}>\n`),
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fixer.insertTextAfter(element, `\n</template>`)
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]
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}
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}
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/**
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* Reports `slot-scope` node
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* @param {VDirective} scopeAttr node of `slot-scope`
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* @returns {void}
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*/
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function reportSlotScope(scopeAttr) {
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context.report({
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node: scopeAttr.key,
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messageId: 'forbiddenSlotScopeAttribute',
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fix(fixer) {
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if (!fixToUpgrade) {
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return null
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}
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// fix to use `v-slot`
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const startTag = scopeAttr.parent
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if (!canConvertToVSlot(startTag)) {
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return null
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}
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return fixSlotScopeToVSlot(fixer, scopeAttr)
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}
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})
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}
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return {
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"VAttribute[directive=true][key.name.name='slot-scope']": reportSlotScope
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}
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}
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}
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