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‎README.md

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@@ -19,40 +19,45 @@ npm install --save-dev eslint vue-eslint-parser
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2020
## 📖 Usage
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1. Write `parser` option into your `.eslintrc.*` file.
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2. Use glob patterns or `--ext .vue` CLI option.
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Write `parser` option into your `eslint.config.*` file.
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```json
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{
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"extends": "eslint:recommended",
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"parser": "vue-eslint-parser"
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}
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```
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```console
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$ eslint "src/**/*.{js,vue}"
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# or
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$ eslint src --ext .vue
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```js
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import vueParser from "vue-eslint-parser"
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export default [
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js.configs.recommended,
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{
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files: ["*.vue", "**/*.vue"],
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languageOptions: {
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parser: vueParser,
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},
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}
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]
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```
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## 🔧 Options
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`parserOptions` has the same properties as what [espree](https://github.com/eslint/espree#usage), the default parser of ESLint, is supporting.
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For example:
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```json
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"sourceType": "module",
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"ecmaVersion": "latest",
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"ecmaFeatures": {
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"globalReturn": false,
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"impliedStrict": false,
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"jsx": false
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}
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```js
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import vueParser from "vue-eslint-parser"
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export default [
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{
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files: ["*.vue", "**/*.vue"],
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languageOptions: {
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parser: vueParser,
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sourceType: "module",
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ecmaVersion: "latest",
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parserOptions: {
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ecmaFeatures: {
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globalReturn: false,
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impliedStrict: false,
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jsx: false
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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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### parserOptions.parser
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Other properties than parser would be given to the specified parser.
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For example:
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```json
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"parser": "@babel/eslint-parser",
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"sourceType": "module"
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```js
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import vueParser from "vue-eslint-parser"
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import babelParser from "@babel/eslint-parser"
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export default [
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{
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files: ["*.vue", "**/*.vue"],
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languageOptions: {
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parser: vueParser,
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parserOptions: {
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parser: babelParser,
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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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```json
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"parser": "@typescript-eslint/parser",
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"sourceType": "module"
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```js
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import vueParser from "vue-eslint-parser"
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import tsParser from "@typescript-eslint/parser"
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export default [
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{
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files: ["*.vue", "**/*.vue"],
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languageOptions: {
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parser: vueParser,
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parserOptions: {
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parser: tsParser,
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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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You can also specify an object and change the parser separately for `<script lang="...">`.
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```jsonc
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"parser": {
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// Script parser for `<script>`
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"js": "espree",
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// Script parser for `<script lang="ts">`
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"ts": "@typescript-eslint/parser",
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// Script parser for vue directives (e.g. `v-if=` or `:attribute=`)
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// and vue interpolations (e.g. `{{variable}}`).
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// If not specified, the parser determined by `<script lang ="...">` is used.
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"<template>": "espree",
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}
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}
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}
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```
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When using JavaScript configuration (`.eslintrc.js`), you can also give the parser object directly.
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```js
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const tsParser = require("@typescript-eslint/parser")
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const espree = require("espree")
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module.exports = {
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parser: "vue-eslint-parser",
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parserOptions: {
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// Single parser
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parser: tsParser,
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// Multiple parser
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parser: {
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js: espree,
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ts: tsParser,
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}
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},
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}
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import vueParser from "vue-eslint-parser"
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import tsParser from "@typescript-eslint/parser"
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export default [
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{
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files: ["*.vue", "**/*.vue"],
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languageOptions: {
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parser: vueParser,
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parserOptions: {
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"parser": {
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// Script parser for `<script>`
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"js": "espree",
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// Script parser for `<script lang="ts">`
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"ts": tsParser,
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// Script parser for vue directives (e.g. `v-if=` or `:attribute=`)
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// and vue interpolations (e.g. `{{variable}}`).
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// If not specified, the parser determined by `<script lang ="...">` is used.
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"<template>": "espree",
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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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If the `parserOptions.parser` is `false`, the `vue-eslint-parser` skips parsing `<script>` tags completely.
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You can use `parserOptions.vueFeatures` property to specify how to parse related to Vue features.
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For example:
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```json
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"vueFeatures": {
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"filter": true,
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"interpolationAsNonHTML": true,
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"styleCSSVariableInjection": true,
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"customMacros": []
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}
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```js
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import vueParser from "vue-eslint-parser"
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export default [
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{
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files: ["*.vue", "**/*.vue"],
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languageOptions: {
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parser: vueParser,
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parserOptions: {
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vueFeatures: {
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filter: true,
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interpolationAsNonHTML: true,
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styleCSSVariableInjection: true,
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customMacros: []
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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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### parserOptions.vueFeatures.filter
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```json
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"vueFeatures": {
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"filter": false
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```json
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"vueFeatures": {
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"interpolationAsNonHTML": true
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```jsonc
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{
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"parser": "vue-eslint-parser",
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"parserOptions": {
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"templateTokenizer": {
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// template tokenizer for `<template lang="pug">`

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