feat: remove style guides

README.md

@@ -28,5 +28,5 @@ npm init @eslint/config@latest -- --config eslint-config-standard
 To use an eslintrc-style (legacy) shared config:
 
 ```bash
-npm init @eslint/config -- --eslintrc --config eslint-config-standard
+npm init @eslint/config@latest -- --eslintrc --config eslint-config-standard
 ```

bin/create-config.js

@@ -31,7 +31,7 @@ if (sharedConfigIndex === -1) {
  // passed "--config"
  const packageName = argv[sharedConfigIndex + 1];
  const type = argv.includes("--eslintrc") ? "eslintrc" : "flat";
- const answers = { purpose: "style", moduleType: "module", styleguide: { packageName, type } };
+ const answers = { config: { packageName, type } };
  const generator = new ConfigGenerator({ cwd, packageJsonPath, answers });
 
  generator.calc();

lib/config-generator.js

@@ -11,17 +11,6 @@ import { isPackageTypeModule, installSyncSaveDev, fetchPeerDependencies, findPac
 import { getShorthandName } from "./utils/naming.js";
 import * as log from "./utils/logging.js";
 
-// TODO: need to specify the package version - they may export flat configs in the future.
-const jsStyleGuides = [
- { message: "Airbnb: https://github.com/airbnb/javascript", name: "airbnb", value: { packageName: "eslint-config-airbnb-base", type: "eslintrc" } },
- { message: "Standard: https://github.com/standard/standard", name: "standard", value: { packageName: "eslint-config-standard", type: "eslintrc" } },
- { message: "XO: https://github.com/xojs/eslint-config-xo", name: "xo", value: { packageName: "eslint-config-xo", type: "eslintrc" } }
-];
-const tsStyleGuides = [
- { message: "Standard: https://github.com/standard/eslint-config-standard-with-typescript", name: "standard", value: { packageName: "eslint-config-standard-with-typescript", type: "eslintrc" } },
- { message: "XO: https://github.com/xojs/eslint-config-xo-typescript", name: "xo", value: { packageName: "eslint-config-xo-typescript", type: "eslintrc" } }
-];
-
 /**
  * Class representing a ConfigGenerator.
  */
@@ -39,7 +28,7 @@ export class ConfigGenerator {
  this.packageJsonPath = options.packageJsonPath || findPackageJson(this.cwd);
  this.answers = options.answers || {};
  this.result = {
- devDependencies: ["eslint"],
+ devDependencies: [],
  configFilename: "eslint.config.js",
  configContent: ""
  };
@@ -58,8 +47,7 @@ export class ConfigGenerator {
  initial: 1,
  choices: [
  { message: "To check syntax only", name: "syntax" },
- { message: "To check syntax and find problems", name: "problems" },
- { message: "To check syntax, find problems, and enforce code style", name: "style" }
+ { message: "To check syntax and find problems", name: "problems" }
  ]
  },
  {
@@ -110,20 +98,6 @@ export class ConfigGenerator {
  const answers = await enquirer.prompt(questions);
 
  Object.assign(this.answers, answers);
-
- if (answers.purpose === "style") {
-
- const choices = this.answers.language === "javascript" ? jsStyleGuides : tsStyleGuides;
- const styleguideAnswer = await enquirer.prompt({
- type: "select",
- name: "styleguide",
- message: "Which style guide do you want to follow?",
- choices,
- result: choice => choices.find(it => it.name === choice).value
- });
-
- Object.assign(this.answers, styleguideAnswer);
- }
  }
 
  /**
@@ -134,22 +108,9 @@ export class ConfigGenerator {
  const isESMModule = isPackageTypeModule(this.packageJsonPath);
 
  this.result.configFilename = isESMModule ? "eslint.config.js" : "eslint.config.mjs";
- this.answers.styleguide = typeof this.answers.styleguide === "string"
- ? { packageName: this.answers.styleguide, type: "flat" }
- : this.answers.styleguide;
-
- // replaced `eslint-config-airbnb-base` with `eslint-config-airbnb`(for react supports)
- if (this.answers.styleguide?.packageName === "eslint-config-airbnb-base" && this.answers.framework === "react") {
- this.answers.styleguide.packageName = "eslint-config-airbnb";
- this.answers.framework = "none";
- }
-
- // tseslint should have been a dependency in the shared configs
- // avoid install tseslint - it may install multi tseslint versions
- // see https://github.com/eslint/create-config/issues/97
- if (this.answers.styleguide && this.answers.language === "typescript") {
- this.answers.language = "javascript";
- }
+ this.answers.config = typeof this.answers.config === "string"
+ ? { packageName: this.answers.config, type: "flat" }
+ : this.answers.config;
 
  let importContent = "";
  const helperContent = `import path from "path";
@@ -188,28 +149,6 @@ const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: plug
  this.result.devDependencies.push("@eslint/js");
  importContent += "import pluginJs from \"@eslint/js\";\n";
  exportContent += " pluginJs.configs.recommended,\n";
- } else if (this.answers.purpose === "style") {
- const styleguide = this.answers.styleguide;
-
- this.result.devDependencies.push(styleguide.packageName);
-
- // install peer dependencies - it's needed for most eslintrc-style shared configs.
- const peers = fetchPeerDependencies(styleguide.packageName);
-
- if (peers !== null) {
- this.result.devDependencies.push(...peers);
- }
-
- if (styleguide.type === "flat" || styleguide.type === void 0) {
- importContent += `import styleGuide from "${styleguide.packageName}";\n`;
- exportContent += " ...[].concat(styleGuide),\n";
- } else if (styleguide.type === "eslintrc") {
- needCompatHelper = true;
-
- const shorthandName = getShorthandName(styleguide.packageName, "eslint-config");
-
- exportContent += ` ...compat.extends("${shorthandName}"),\n`;
- }
  }
 
  if (this.answers.language === "typescript") {
@@ -231,10 +170,39 @@ const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: plug
  importContent += "import pluginReactConfig from \"eslint-plugin-react/configs/recommended.js\";\n";
  exportContent += " pluginReactConfig,\n";
  }
+ if (this.answers.config) {
+ const config = this.answers.config;
+
+ this.result.devDependencies.push(config.packageName);
+
+ // install peer dependencies - it's needed for most eslintrc-style shared configs.
+ const peers = fetchPeerDependencies(config.packageName);
+
+ if (peers !== null) {
+ this.result.devDependencies.push(...peers);
+ }
+
+ if (config.type === "flat" || config.type === void 0) {
+ importContent += `import config from "${config.packageName}";\n`;
+ exportContent += " ...[].concat(config),\n";
+ } else if (config.type === "eslintrc") {
+ needCompatHelper = true;
+
+ const shorthandName = getShorthandName(config.packageName, "eslint-config");
+
+ exportContent += ` ...compat.extends("${shorthandName}"),\n`;
+ }
+ }
 
  if (needCompatHelper) {
  this.result.devDependencies.push("@eslint/eslintrc", "@eslint/js");
  }
+
+ const hasEslint = this.result.devDependencies.some(dep => (/^eslint(@|$)/u.test(dep)));
+
+ if (!hasEslint) {
+ this.result.devDependencies.push("eslint");
+ }
  this.result.configContent = `${importContent}
 ${needCompatHelper ? helperContent : ""}
 export default [\n${exportContent}];`;

tests/__snapshots__/style-esm-react-airbnb → tests/__snapshots__/config@eslint-config-airbnb

@@ -1,6 +1,5 @@
 {
- "configContent": "import globals from "globals";
-
+ "configContent": "
 import path from "path";
 import { fileURLToPath } from "url";
 import { FlatCompat } from "@eslint/eslintrc";
@@ -12,13 +11,10 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: pluginJs.configs.recommended});
 
 export default [
- {languageOptions: { globals: globals.browser }},
  ...compat.extends("airbnb"),
 ];",
  "configFilename": "eslint.config.mjs",
  "devDependencies": [
- "eslint",
- "globals",
  "eslint-config-airbnb",
  "eslint@^7.32.0 || ^8.2.0",
  "eslint-plugin-import@^2.25.3",

tests/__snapshots__/style-esm-none-airbnb → tests/__snapshots__/config@eslint-config-airbnb-base

@@ -1,6 +1,5 @@
 {
- "configContent": "import globals from "globals";
-
+ "configContent": "
 import path from "path";
 import { fileURLToPath } from "url";
 import { FlatCompat } from "@eslint/eslintrc";
@@ -12,13 +11,10 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: pluginJs.configs.recommended});
 
 export default [
- {languageOptions: { globals: globals.browser }},
  ...compat.extends("airbnb-base"),
 ];",
  "configFilename": "eslint.config.mjs",
  "devDependencies": [
- "eslint",
- "globals",
  "eslint-config-airbnb-base",
  "eslint@^7.32.0 || ^8.2.0",
  "eslint-plugin-import@^2.25.2",

tests/__snapshots__/style-esm-none-xo-typescript → tests/__snapshots__/config@eslint-config-standard

@@ -1,6 +1,5 @@
 {
- "configContent": "import globals from "globals";
-
+ "configContent": "
 import path from "path";
 import { fileURLToPath } from "url";
 import { FlatCompat } from "@eslint/eslintrc";
@@ -12,18 +11,15 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: pluginJs.configs.recommended});
 
 export default [
- {languageOptions: { globals: globals.browser }},
- ...compat.extends("xo-typescript"),
+ ...compat.extends("standard"),
 ];",
  "configFilename": "eslint.config.mjs",
  "devDependencies": [
- "eslint",
- "globals",
- "eslint-config-xo-typescript",
- "@typescript-eslint/eslint-plugin@>=7.0.2",
- "@typescript-eslint/parser@>=7.0.2",
- "eslint@>=8.56.0",
- "typescript@>=5.0.0",
+ "eslint-config-standard",
+ "eslint@^8.0.1",
+ "eslint-plugin-import@^2.25.2",
+ "eslint-plugin-n@^15.0.0 || ^16.0.0 ",
+ "eslint-plugin-promise@^6.0.0",
  "@eslint/eslintrc",
  "@eslint/js",
  ],

tests/__snapshots__/config@eslint-config-standard-flat

@@ -0,0 +1,16 @@
+{
+ "configContent": "import config from "eslint-config-standard";
+
+
+export default [
+ ...[].concat(config),
+];",
+ "configFilename": "eslint.config.mjs",
+ "devDependencies": [
+ "eslint-config-standard",
+ "eslint@^8.0.1",
+ "eslint-plugin-import@^2.25.2",
+ "eslint-plugin-n@^15.0.0 || ^16.0.0 ",
+ "eslint-plugin-promise@^6.0.0",
+ ],
+}

tests/__snapshots__/config@eslint-config-standard-flat2

@@ -0,0 +1,16 @@
+{
+ "configContent": "import config from "eslint-config-standard";
+
+
+export default [
+ ...[].concat(config),
+];",
+ "configFilename": "eslint.config.mjs",
+ "devDependencies": [
+ "eslint-config-standard",
+ "eslint@^8.0.1",
+ "eslint-plugin-import@^2.25.2",
+ "eslint-plugin-n@^15.0.0 || ^16.0.0 ",
+ "eslint-plugin-promise@^6.0.0",
+ ],
+}

tests/__snapshots__/style-esm-none-xo-javascript → tests/__snapshots__/config@eslint-config-xo

@@ -1,6 +1,5 @@
 {
- "configContent": "import globals from "globals";
-
+ "configContent": "
 import path from "path";
 import { fileURLToPath } from "url";
 import { FlatCompat } from "@eslint/eslintrc";
@@ -12,13 +11,10 @@ const __dirname = path.dirname(__filename);
 const compat = new FlatCompat({baseDirectory: __dirname, recommendedConfig: pluginJs.configs.recommended});
 
 export default [
- {languageOptions: { globals: globals.node }},
  ...compat.extends("xo"),
 ];",
  "configFilename": "eslint.config.mjs",
  "devDependencies": [
- "eslint",
- "globals",
  "eslint-config-xo",
  "eslint@>=8.56.0",
  "@eslint/eslintrc",

tests/__snapshots__/problems-commonjs-none-javascript

@@ -10,8 +10,8 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-commonjs-none-typescript

@@ -12,9 +12,9 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
  "typescript-eslint",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-commonjs-react-javascript

@@ -12,9 +12,9 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
  "eslint-plugin-react",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-commonjs-react-typescript

@@ -14,10 +14,10 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
  "typescript-eslint",
  "eslint-plugin-react",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-commonjs-vue-javascript

@@ -12,9 +12,9 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
  "eslint-plugin-vue",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-commonjs-vue-typescript

@@ -14,10 +14,10 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
  "typescript-eslint",
  "eslint-plugin-vue",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-esm-none-javascript

@@ -9,8 +9,8 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
+ "eslint",
  ],
 }

tests/__snapshots__/problems-esm-none-typescript

@@ -11,9 +11,9 @@ export default [
 ];",
  "configFilename": "eslint.config.js",
  "devDependencies": [
- "eslint",
  "globals",
  "@eslint/js",
  "typescript-eslint",
+ "eslint",
  ],
 }