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.eslintrc.js
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.eslintrc.js
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"use strict";
// Open `test/__snapshots__/examples.test.js.snap` to see what the files here in
// `example/` look like after running `eslint --fix`. Each file has slightly
// different configuration – see below.
const vue = require("eslint-plugin-vue");
module.exports = {
root: true,
parserOptions: {
sourceType: "module",
},
env: { es6: true },
rules: {
// The actual rule names are "simple-import-sort/imports" and
// "simple-import-sort/exports", but for technical reasons they’re called
// just "imports" and "exports" within the examples of this repo.
// "simple-import-sort/imports": "error",
// "simple-import-sort/exports": "error",
imports: "error",
exports: "error",
},
overrides: [
{
// This file only enables the “imports” rule from this plugin. After
// autofixing, there might be some oddly placed spaces.
files: ["1.spaces.just-sort.js"],
},
{
// You can enable some builtin rules to fix up the spaces after sorting.
files: ["2.spaces.eslint-builtin.js"],
rules: {
"comma-spacing": "error",
indent: "error",
"object-curly-spacing": "error",
// There might be more rules you want to enable. See:
// https://eslint.org/docs/rules/
},
},
{
// Alternatively, use Prettier (https://prettier.io/) to fix formatting.
// This is the much easier and recommended approach.
files: ["3.spaces.prettier.js"],
// This doesn’t need any extra ESLint config, only Prettier setup.
},
{
// Use these rules from eslint-plugin-import
// (https://github.com/benmosher/eslint-plugin-import/) if you want hoist
// imports to the top, add a blank line after them and merge duplicates.
files: ["eslint-plugin-import.js"],
plugins: ["import"],
rules: {
"import/first": "error",
"import/newline-after-import": "error",
"import/no-duplicates": "error",
},
},
{
// ignore.js shows how to ignore sorting and errors when needed.
files: ["ignore.js"],
plugins: ["import"],
rules: {
"no-duplicate-imports": "error",
"import/no-duplicates": "error",
},
},
{
files: ["groups.custom.js"],
rules: {
imports: [
"error",
{
groups: [
// Node.js builtins. You could also generate this regex if you use a `.js` config.
// For example: `^(${require("module").builtinModules.join("|")})(/|$)`
// Note that if you use the `node:` prefix for Node.js builtins,
// you can avoid this complexity: You can simply use "^node:".
[
"^(assert|buffer|child_process|cluster|console|constants|crypto|dgram|dns|domain|events|fs|http|https|module|net|os|path|punycode|querystring|readline|repl|stream|string_decoder|sys|timers|tls|tty|url|util|vm|zlib|freelist|v8|process|async_hooks|http2|perf_hooks)(/.*|$)",
],
// Packages. `react` related packages come first.
["^react", "^@?\\w"],
// Internal packages.
["^(@|@company|@ui|components|utils|config|vendored-lib)(/.*|$)"],
// Side effect imports.
["^\\u0000"],
// Parent imports. Put `..` last.
["^\\.\\.(?!/?$)", "^\\.\\./?$"],
// Other relative imports. Put same-folder imports and `.` last.
["^\\./(?=.*/)(?!/?$)", "^\\.(?!/?$)", "^\\./?$"],
// Style imports.
["^.+\\.s?css$"],
],
},
],
},
},
{
files: ["groups.no-blank-lines.js"],
rules: {
imports: [
"error",
{
// The default grouping, but with no blank lines.
groups: [["^\\u0000", "^node:", "^@?\\w", "^", "^\\."]],
},
],
},
},
{
files: ["groups.default-reverse.js"],
rules: {
imports: [
"error",
{
// The default grouping, but in reverse.
groups: [["^\\."], ["^"], ["^@?\\w"], ["^node:"], ["^\\u0000"]],
},
],
},
},
{
files: ["groups.type-imports-first.ts"],
parser: "@typescript-eslint/parser",
rules: {
imports: [
"error",
{
// The default grouping, but with type imports first as a separate group.
groups: [["^.*\\u0000$"], ["^\\u0000"], ["^node:"], ["^@?\\w"], ["^"], ["^\\."]],
},
],
},
},
{
files: ["groups.type-imports-last.ts"],
parser: "@typescript-eslint/parser",
rules: {
imports: [
"error",
{
// The default grouping, but with type imports last as a separate group.
groups: [["^\\u0000"], ["^node:"], ["^@?\\w"], ["^"], ["^\\."], ["^.+\\u0000$"]],
},
],
},
},
{
files: ["groups.type-imports-first-sorted.ts"],
parser: "@typescript-eslint/parser",
rules: {
imports: [
"error",
{
// The default grouping, but with type imports first as a separate
// group, sorting that group like non-type imports are grouped.
groups: [
["^node:.*\\u0000$", "^@?\\w.*\\u0000$", "^[^.].*\\u0000$", "^\\..*\\u0000$"],
["^\\u0000"],
["^node:"],
["^@?\\w"],
["^"],
["^\\."],
],
},
],
},
},
{
files: ["groups.type-imports-last-sorted.ts"],
parser: "@typescript-eslint/parser",
rules: {
imports: [
"error",
{
// The default grouping, but with type imports last as a separate
// group, sorting that group like non-type imports are grouped.
groups: [
["^\\u0000"],
["^node:"],
["^@?\\w"],
["^"],
["^\\."],
["^node:.*\\u0000$", "^@?\\w.*\\u0000$", "^[^.].*\\u0000$", "^\\..*\\u0000$"],
],
},
],
},
},
{
files: ["groups.type-imports-first-in-each-group.ts"],
parser: "@typescript-eslint/parser",
rules: {
imports: [
"error",
{
// The default grouping, but with type imports first in each group.
groups: [
["^\\u0000"],
["^node:.*\\u0000$", "^node:"],
["^@?\\w.*\\u0000$", "^@?\\w"],
["(?<=\\u0000)$", "^"],
["^\\..*\\u0000$", "^\\."],
],
},
],
},
},
{
files: ["groups.type-imports-last-in-each-group.ts"],
parser: "@typescript-eslint/parser",
rules: {
imports: [
"error",
{
// The default grouping, but with type imports last in each group.
groups: [
["^\\u0000"],
["^node:", "^node:.*\\u0000$"],
["^@?\\w", "^@?\\w.*\\u0000$"],
["(?<!\\u0000)$", "(?<=\\u0000)$"],
["^\\.", "^\\..*\\u0000$"],
],
},
],
},
},
{
files: ["groups.none.js"],
rules: {
imports: [
"error",
{
// No grouping, only alphabetical sorting.
groups: [],
},
],
},
},
{
// These files are used in README.md.
files: ["readme-*.js"],
parser: "@babel/eslint-parser",
},
{
// TypeScript.
files: ["*.ts"],
parser: "@typescript-eslint/parser",
},
{
// Vue `<script>` tags.
files: ["*.vue"],
parser: vue.configs.base.parser,
plugins: ["vue"],
},
{
// Markdown JS code blocks.
files: ["*.md"],
plugins: ["markdown"],
processor: "markdown/markdown"
},
],
};