Add optional options column and notice to indicate whether a rule is configurable

README.md

@@ -123,12 +123,12 @@ These can be provided as CLI options or as [config file](#configuration-file) op
 | `--ignore-deprecated-rules` | Whether to ignore deprecated rules from being checked, displayed, or updated (default: `false`). |
 | `--path-rule-doc` | Path to markdown file for each rule doc. Use `{name}` placeholder for the rule name (default: `docs/rules/{name}.md`). |
 | `--path-rule-list` | Path to markdown file with a rules section where the rules table list should live (default: `README.md`). |
-| `--rule-doc-notices` | Ordered, comma-separated list of notices to display in rule doc. Non-applicable notices will be hidden. Choices: `configs`, `deprecated`, `fixable` (off by default), `fixableAndHasSuggestions`, `hasSuggestions` (off by default), `requiresTypeChecking`, `type` (off by default). Default: `deprecated,configs,fixableAndHasSuggestions,requiresTypeChecking`. |
+| `--rule-doc-notices` | Ordered, comma-separated list of notices to display in rule doc. Non-applicable notices will be hidden. Choices: `configs`, `deprecated`, `fixable` (off by default), `fixableAndHasSuggestions`, `hasSuggestions` (off by default), `options` (off by default), `requiresTypeChecking`, `type` (off by default). Default: `deprecated,configs,fixableAndHasSuggestions,requiresTypeChecking`. |
 | `--rule-doc-section-exclude` | Disallowed section in each rule doc. Exit with failure if present. Option can be repeated. |
 | `--rule-doc-section-include` | Required section in each rule doc. Exit with failure if missing. Option can be repeated. |
 | `--rule-doc-section-options` | Whether to require an "Options" or "Config" rule doc section and mention of any named options for rules with options (default: `true`). |
 | `--rule-doc-title-format` | The format to use for rule doc titles. Defaults to `desc-parens-prefix-name`. See choices in below [table](#--rule-doc-title-format). |
-| `--rule-list-columns` | Ordered, comma-separated list of columns to display in rule list. Empty columns will be hidden. Choices: `configsError`, `configsOff`, `configsWarn`, `deprecated`, `description`, `fixable`, `fixableAndHasSuggestions` (off by default), `hasSuggestions`, `name`, `requiresTypeChecking`, `type` (off by default). Default: `name,description,configsError,configsWarn,configsOff,fixable,hasSuggestions,requiresTypeChecking,deprecated`. |
+| `--rule-list-columns` | Ordered, comma-separated list of columns to display in rule list. Empty columns will be hidden. Choices: `configsError`, `configsOff`, `configsWarn`, `deprecated`, `description`, `fixable`, `fixableAndHasSuggestions` (off by default), `hasSuggestions`, `name`, `options` (off by default), `requiresTypeChecking`, `type` (off by default). Default: `name,description,configsError,configsWarn,configsOff,fixable,hasSuggestions,requiresTypeChecking,deprecated`. |
 | `--split-by` | Rule property to split the rules list by. A separate list and header will be created for each value. Example: `meta.type`. |
 | `--url-configs` | Link to documentation about the ESLint configurations exported by the plugin. |
 

docs/examples/eslint-plugin-test/README.md

@@ -18,17 +18,18 @@ Configs section would normally go here.
 ⌨️ Set in the `typescript` configuration.\
 🔧 Automatically fixable by the [`--fix` CLI option](https://eslint.org/docs/user-guide/command-line-interface#--fix).\
 💡 Manually fixable by [editor suggestions](https://eslint.org/docs/developer-guide/working-with-rules#providing-suggestions).\
+⚙️ Has configuration options.\
 💭 Requires type information.\
 🗂️ The type of rule.\
 ❗ Identifies problems that could cause errors or unexpected behavior.\
 📖 Identifies potential improvements.\
 📏 Focuses on code formatting.\
 ❌ Deprecated.
 
-| Name                                     | Description        | 💼 | ⚠️ | 🚫 | 🔧 | 💡 | 💭 | 🗂️ | ❌  |
-| :--------------------------------------- | :----------------- | :- | :- | :- | :- | :- | :- | :-- | :- |
-| [no-foo](docs/rules/no-foo.md)           | disallow using foo | ✅  |    |    | 🔧 |    | 💭 | ❗   |    |
-| [prefer-bar](docs/rules/prefer-bar.md)   | enforce using bar  | ✅  | 🎨 |    |    | 💡 | 💭 | 📖  |    |
-| [require-baz](docs/rules/require-baz.md) | require using baz  |    |    | ⌨️ | 🔧 |    |    | 📏  | ❌  |
+| Name                                     | Description        | 💼 | ⚠️ | 🚫 | 🔧 | 💡 | ⚙️ | 💭 | 🗂️ | ❌  |
+| :--------------------------------------- | :----------------- | :- | :- | :- | :- | :- | :- | :- | :-- | :- |
+| [no-foo](docs/rules/no-foo.md)           | disallow using foo | ✅  |    |    | 🔧 |    | ⚙️ | 💭 | ❗   |    |
+| [prefer-bar](docs/rules/prefer-bar.md)   | enforce using bar  | ✅  | 🎨 |    |    | 💡 |    | 💭 | 📖  |    |
+| [require-baz](docs/rules/require-baz.md) | require using baz  |    |    | ⌨️ | 🔧 |    |    |    | 📏  | ❌  |
 
 <!-- end auto-generated rules list -->

docs/examples/eslint-plugin-test/docs/rules/no-foo.md

@@ -4,8 +4,12 @@
 
 🔧 This rule is automatically fixable by the [`--fix` CLI option](https://eslint.org/docs/latest/user-guide/command-line-interface#--fix).
 
+⚙️ This rule is configurable.
+
 💭 This rule requires type information.
 
+❗ This rule identifies problems that could cause errors or unexpected behavior.
+
 <!-- end auto-generated rule header -->
 
 ## Rule details

docs/examples/eslint-plugin-test/docs/rules/prefer-bar.md

@@ -6,6 +6,8 @@
 
 💭 This rule requires type information.
 
+📖 This rule identifies potential improvements.
+
 <!-- end auto-generated rule header -->
 
 ## Rule details

docs/examples/eslint-plugin-test/docs/rules/require-baz.md

@@ -6,6 +6,8 @@
 
 🔧 This rule is automatically fixable by the [`--fix` CLI option](https://eslint.org/docs/latest/user-guide/command-line-interface#--fix).
 
+📏 This rule focuses on code formatting.
+
 <!-- end auto-generated rule header -->
 
 ## Rule details

lib/emojis.ts

@@ -42,6 +42,9 @@ export const EMOJI_CONFIG_FROM_SEVERITY: {
 export const EMOJI_FIXABLE = '🔧';
 export const EMOJI_HAS_SUGGESTIONS = '💡';
 
+// Options.
+export const EMOJI_OPTIONS = '⚙️';
+
 // TypeScript.
 export const EMOJI_REQUIRES_TYPE_CHECKING = '💭';
 
@@ -58,6 +61,7 @@ export const RESERVED_EMOJIS = [
 
   EMOJI_FIXABLE,
   EMOJI_HAS_SUGGESTIONS,
+  EMOJI_OPTIONS,
   EMOJI_REQUIRES_TYPE_CHECKING,
   EMOJI_TYPE,
   EMOJI_DEPRECATED,

lib/legend.ts

@@ -2,6 +2,7 @@ import {
   EMOJI_DEPRECATED,
   EMOJI_FIXABLE,
   EMOJI_HAS_SUGGESTIONS,
+  EMOJI_OPTIONS,
   EMOJI_REQUIRES_TYPE_CHECKING,
   EMOJI_TYPE,
   EMOJI_CONFIG_FROM_SEVERITY,
@@ -139,6 +140,7 @@ const LEGENDS: {
   ],
   [COLUMN_TYPE.HAS_SUGGESTIONS]: [LEGEND_HAS_SUGGESTIONS],
   [COLUMN_TYPE.NAME]: undefined,
+  [COLUMN_TYPE.OPTIONS]: [`${EMOJI_OPTIONS} Has configuration options.`],
   [COLUMN_TYPE.REQUIRES_TYPE_CHECKING]: [
     `${EMOJI_REQUIRES_TYPE_CHECKING} Requires type information.`,
   ],

lib/options.ts

@@ -14,6 +14,7 @@ export const COLUMN_TYPE_DEFAULT_PRESENCE_AND_ORDERING: {
   [COLUMN_TYPE.FIXABLE]: true,
   [COLUMN_TYPE.FIXABLE_AND_HAS_SUGGESTIONS]: false, // Optional, consolidated column.
   [COLUMN_TYPE.HAS_SUGGESTIONS]: true,
+  [COLUMN_TYPE.OPTIONS]: false,
   [COLUMN_TYPE.REQUIRES_TYPE_CHECKING]: true,
   [COLUMN_TYPE.TYPE]: false,
   [COLUMN_TYPE.DEPRECATED]: true,
@@ -29,6 +30,7 @@ export const NOTICE_TYPE_DEFAULT_PRESENCE_AND_ORDERING: {
   [NOTICE_TYPE.FIXABLE]: false,
   [NOTICE_TYPE.FIXABLE_AND_HAS_SUGGESTIONS]: true, // Default, consolidated notice.
   [NOTICE_TYPE.HAS_SUGGESTIONS]: false,
+  [NOTICE_TYPE.OPTIONS]: false,
   [NOTICE_TYPE.REQUIRES_TYPE_CHECKING]: true,
   [NOTICE_TYPE.TYPE]: false,
 };

lib/rule-list-columns.ts

@@ -5,10 +5,12 @@ import {
   EMOJI_REQUIRES_TYPE_CHECKING,
   EMOJI_TYPE,
   EMOJI_CONFIG_FROM_SEVERITY,
+  EMOJI_OPTIONS,
 } from './emojis.js';
 import { RULE_TYPES } from './rule-type.js';
 import { COLUMN_TYPE, SEVERITY_TYPE } from './types.js';
 import { getConfigsThatSetARule } from './configs.js';
+import { hasOptions } from './rule-options.js';
 import type { RuleDetails, ConfigsToRules, Plugin } from './types.js';
 
 /**
@@ -52,6 +54,7 @@ export const COLUMN_HEADER: {
   [COLUMN_TYPE.FIXABLE]: EMOJI_FIXABLE,
   [COLUMN_TYPE.FIXABLE_AND_HAS_SUGGESTIONS]: `${EMOJI_FIXABLE}${EMOJI_HAS_SUGGESTIONS}`,
   [COLUMN_TYPE.HAS_SUGGESTIONS]: EMOJI_HAS_SUGGESTIONS,
+  [COLUMN_TYPE.OPTIONS]: EMOJI_OPTIONS,
   [COLUMN_TYPE.REQUIRES_TYPE_CHECKING]: EMOJI_REQUIRES_TYPE_CHECKING,
   [COLUMN_TYPE.TYPE]: EMOJI_TYPE,
 };
@@ -106,6 +109,7 @@ export function getColumns(
       (detail) => detail.hasSuggestions
     ),
     [COLUMN_TYPE.NAME]: true,
+    [COLUMN_TYPE.OPTIONS]: details.some((detail) => hasOptions(detail.schema)),
     [COLUMN_TYPE.REQUIRES_TYPE_CHECKING]: details.some(
       (detail) => detail.requiresTypeChecking
     ),

lib/rule-list.ts

@@ -3,6 +3,7 @@ import {
   EMOJI_DEPRECATED,
   EMOJI_FIXABLE,
   EMOJI_HAS_SUGGESTIONS,
+  EMOJI_OPTIONS,
   EMOJI_REQUIRES_TYPE_CHECKING,
 } from './emojis.js';
 import { getConfigsForRule, findConfigEmoji } from './configs.js';
@@ -21,6 +22,7 @@ import type {
   ConfigEmojis,
 } from './types.js';
 import { EMOJIS_TYPE, RULE_TYPE } from './rule-type.js';
+import { hasOptions } from './rule-options.js';
 
 // Example: theWeatherIsNice => The Weather Is Nice
 function camelCaseStringToTitle(str: string) {
@@ -166,6 +168,7 @@ function buildRuleRow(
       /{name}/g,
       rule.name
     )})`,
+    [COLUMN_TYPE.OPTIONS]: hasOptions(rule.schema) ? EMOJI_OPTIONS : '',
     [COLUMN_TYPE.REQUIRES_TYPE_CHECKING]: rule.requiresTypeChecking
       ? EMOJI_REQUIRES_TYPE_CHECKING
       : '',

lib/rule-notices.ts

@@ -5,6 +5,7 @@ import {
   EMOJI_HAS_SUGGESTIONS,
   EMOJI_REQUIRES_TYPE_CHECKING,
   EMOJI_CONFIG_FROM_SEVERITY,
+  EMOJI_OPTIONS,
 } from './emojis.js';
 import { findConfigEmoji, getConfigsForRule } from './configs.js';
 import {
@@ -17,6 +18,7 @@ import {
 } from './types.js';
 import { RULE_TYPE, RULE_TYPE_MESSAGES_NOTICES } from './rule-type.js';
 import { RuleDocTitleFormat } from './rule-doc-title-format.js';
+import { hasOptions } from './rule-options.js';
 
 function severityToTerminology(severity: SEVERITY_TYPE) {
   switch (severity) {
@@ -194,6 +196,7 @@ const RULE_NOTICES: {
   },
   [NOTICE_TYPE.HAS_SUGGESTIONS]: NOTICE_HAS_SUGGESTIONS,
 
+  [NOTICE_TYPE.OPTIONS]: `${EMOJI_OPTIONS} This rule is configurable.`,
   [NOTICE_TYPE.REQUIRES_TYPE_CHECKING]: `${EMOJI_REQUIRES_TYPE_CHECKING} This rule requires type information.`,
 };
 
@@ -241,11 +244,13 @@ function getNoticesForRule(
       configsOff.length > 0,
     [NOTICE_TYPE.DEPRECATED]: rule.meta?.deprecated || false,
 
+    // Fixable/suggestions.
     [NOTICE_TYPE.FIXABLE]: Boolean(rule.meta?.fixable),
     [NOTICE_TYPE.FIXABLE_AND_HAS_SUGGESTIONS]:
       Boolean(rule.meta?.fixable) || Boolean(rule.meta?.hasSuggestions),
     [NOTICE_TYPE.HAS_SUGGESTIONS]: Boolean(rule.meta?.hasSuggestions),
 
+    [NOTICE_TYPE.OPTIONS]: hasOptions(rule.meta?.schema),
     [NOTICE_TYPE.REQUIRES_TYPE_CHECKING]:
       rule.meta?.docs?.requiresTypeChecking || false,
     [NOTICE_TYPE.TYPE]: Boolean(rule.meta?.type),

lib/types.ts

@@ -52,14 +52,14 @@ export type ConfigEmojis = { config: string; emoji: string }[];
 
 /**
  * Rule doc notices.
- * Same as COLUMN_TYPE but without NAME, DESCRIPTION (which are in the rule doc title).
  */
 export enum NOTICE_TYPE {
   CONFIGS = 'configs',
   DEPRECATED = 'deprecated',
   FIXABLE = 'fixable',
   FIXABLE_AND_HAS_SUGGESTIONS = 'fixableAndHasSuggestions', // Consolidated notice for space-saving.
   HAS_SUGGESTIONS = 'hasSuggestions',
+  OPTIONS = 'options',
   REQUIRES_TYPE_CHECKING = 'requiresTypeChecking',
   TYPE = 'type',
 }
@@ -77,6 +77,7 @@ export enum COLUMN_TYPE {
   FIXABLE_AND_HAS_SUGGESTIONS = 'fixableAndHasSuggestions', // Consolidated column for space-saving.
   HAS_SUGGESTIONS = 'hasSuggestions',
   NAME = 'name',
+  OPTIONS = 'options',
   REQUIRES_TYPE_CHECKING = 'requiresTypeChecking',
   TYPE = 'type',
 }

test/lib/__snapshots__/generator-test.ts.snap

@@ -560,6 +560,57 @@ exports[`generator #generate rule with no meta object generates the documentatio
 "
 `;
 
+exports[`generator #generate rule with options, options column/notice enabled displays the column and notice 1`] = `
+"## Rules
+<!-- begin auto-generated rules list -->
+
+⚙️ Has configuration options.
+
+| Name                           | ⚙️ |
+| :----------------------------- | :- |
+| [no-bar](docs/rules/no-bar.md) | ⚙️ |
+| [no-baz](docs/rules/no-baz.md) |    |
+| [no-biz](docs/rules/no-biz.md) |    |
+| [no-foo](docs/rules/no-foo.md) | ⚙️ |
+
+<!-- end auto-generated rules list -->
+"
+`;
+
+exports[`generator #generate rule with options, options column/notice enabled displays the column and notice 2`] = `
+"# test/no-foo
+
+⚙️ This rule is configurable.
+
+<!-- end auto-generated rule header -->
+## Options
+"
+`;
+
+exports[`generator #generate rule with options, options column/notice enabled displays the column and notice 3`] = `
+"# test/no-bar
+
+⚙️ This rule is configurable.
+
+<!-- end auto-generated rule header -->
+## Options
+"
+`;
+
+exports[`generator #generate rule with options, options column/notice enabled displays the column and notice 4`] = `
+"# test/no-biz
+
+<!-- end auto-generated rule header -->
+"
+`;
+
+exports[`generator #generate rule with options, options column/notice enabled displays the column and notice 5`] = `
+"# test/no-baz
+
+<!-- end auto-generated rule header -->
+"
+`;
+
 exports[`generator #generate rule with type, type column enabled displays the type 1`] = `
 "## Rules
 <!-- begin auto-generated rules list -->

test/lib/generator-test.ts

@@ -4077,6 +4077,57 @@ describe('generator', function () {
       });
     });
 
+    describe('rule with options, options column/notice enabled', function () {
+      beforeEach(function () {
+        mockFs({
+          'package.json': JSON.stringify({
+            name: 'eslint-plugin-test',
+            main: 'index.js',
+            type: 'module',
+          }),
+
+          'index.js': `
+            export default {
+              rules: {
+                'no-foo': { meta: { schema: [{foo:true}] }, create(context) {} },
+                'no-bar': { meta: { schema: {foo:true} }, create(context) {} },
+                'no-biz': { meta: { schema: [] }, create(context) {} },
+                'no-baz': { meta: {  }, create(context) {} },
+              },
+            };`,
+
+          'README.md': '## Rules\n',
+
+          'docs/rules/no-foo.md': '## Options\n',
+          'docs/rules/no-bar.md': '## Options\n',
+          'docs/rules/no-biz.md': '',
+          'docs/rules/no-baz.md': '',
+
+          // Needed for some of the test infrastructure to work.
+          node_modules: mockFs.load(
+            resolve(__dirname, '..', '..', 'node_modules')
+          ),
+        });
+      });
+
+      afterEach(function () {
+        mockFs.restore();
+        jest.resetModules();
+      });
+
+      it('displays the column and notice', async function () {
+        await generate('.', {
+          ruleListColumns: 'name,options',
+          ruleDocNotices: 'options',
+        });
+        expect(readFileSync('README.md', 'utf8')).toMatchSnapshot();
+        expect(readFileSync('docs/rules/no-foo.md', 'utf8')).toMatchSnapshot();
+        expect(readFileSync('docs/rules/no-bar.md', 'utf8')).toMatchSnapshot();
+        expect(readFileSync('docs/rules/no-biz.md', 'utf8')).toMatchSnapshot();
+        expect(readFileSync('docs/rules/no-baz.md', 'utf8')).toMatchSnapshot();
+      });
+    });
+
     describe('rule with long-enough description to require name column wrapping avoidance', function () {
       beforeEach(function () {
         mockFs({