Reorganize files and functions

lib/cli.ts

@@ -1,28 +1,16 @@
 import { Command, Argument, Option } from 'commander';
-import { readFileSync } from 'node:fs';
 import { RULE_DOC_TITLE_FORMATS } from './rule-doc-title-format.js';
-import { OPTION_DEFAULTS, OPTION_TYPE, GenerateOptions } from './options.js';
+import { OPTION_DEFAULTS } from './options.js';
 import { cosmiconfig } from 'cosmiconfig';
 import Ajv from 'ajv';
 import merge from 'deepmerge';
-import { COLUMN_TYPE, NOTICE_TYPE } from './types.js';
-import type { PackageJson } from 'type-fest';
-
-function getCurrentPackageVersion(): string {
-  // When running as compiled code, use path relative to compiled version of this file in the dist folder.
-  // When running as TypeScript (in a test), use path relative to this file.
-  const pathToPackageJson = import.meta.url.endsWith('.ts')
-    ? '../package.json'
-    : /* istanbul ignore next -- can't test the compiled version in test */
-      '../../package.json';
-  const packageJson: PackageJson = JSON.parse(
-    readFileSync(new URL(pathToPackageJson, import.meta.url), 'utf8')
-  );
-  if (!packageJson.version) {
-    throw new Error('Could not find package.json `version`.');
-  }
-  return packageJson.version;
-}
+import {
+  COLUMN_TYPE,
+  NOTICE_TYPE,
+  GenerateOptions,
+  OPTION_TYPE,
+} from './types.js';
+import { getCurrentPackageVersion } from './package-json.js';
 
 /** Used for collecting repeated CLI options into an array. */
 function collect(value: string, previous: string[]) {
@@ -37,7 +25,7 @@ function parseBoolean(value: string | undefined): boolean {
  * Load and validate the config file.
  * Cosmiconfig supports many possible filenames/formats.
  */
-async function loadConfigFileOptions() {
+async function loadConfigFileOptions(): Promise<GenerateOptions> {
   const explorer = cosmiconfig('eslint-doc-generator');
   const explorerResults = await explorer.search();
   if (explorerResults && !explorerResults.isEmpty) {

lib/generator.ts

@@ -8,18 +8,19 @@ import {
   getPathWithExactFileNameCasing,
 } from './package-json.js';
 import { updateRulesList } from './rule-list.js';
-import { generateRuleHeaderLines } from './rule-notices.js';
+import { generateRuleHeaderLines } from './rule-doc-notices.js';
 import {
   parseRuleDocNoticesOption,
   parseRuleListColumnsOption,
   parseConfigEmojiOptions,
 } from './option-parsers.js';
-import { END_RULE_HEADER_MARKER } from './markers.js';
+import { END_RULE_HEADER_MARKER } from './comment-markers.js';
 import { findSectionHeader, replaceOrCreateHeader } from './markdown.js';
-import { resolveConfigsToRules } from './config-resolution.js';
-import { OPTION_DEFAULTS, OPTION_TYPE, GenerateOptions } from './options.js';
+import { resolveConfigsToRules } from './plugin-config-resolution.js';
+import { OPTION_DEFAULTS } from './options.js';
 import { diff } from 'jest-diff';
-import type { RuleDetails } from './types.js';
+import type { RuleDetails, GenerateOptions } from './types.js';
+import { OPTION_TYPE } from './types.js';
 
 /**
  * Ensure a rule doc contains (or doesn't contain) some particular content.

lib/options.ts

@@ -1,5 +1,5 @@
 import { RuleDocTitleFormat } from './rule-doc-title-format.js';
-import { COLUMN_TYPE, NOTICE_TYPE } from './types.js';
+import { COLUMN_TYPE, NOTICE_TYPE,OPTION_TYPE } from './types.js';
 
 export const COLUMN_TYPE_DEFAULT_PRESENCE_AND_ORDERING: {
   [key in COLUMN_TYPE]: boolean;
@@ -35,25 +35,6 @@ export const NOTICE_TYPE_DEFAULT_PRESENCE_AND_ORDERING: {
   [NOTICE_TYPE.TYPE]: false,
 };
 
-export enum OPTION_TYPE {
-  CHECK = 'check',
-  CONFIG_EMOJI = 'configEmoji',
-  IGNORE_CONFIG = 'ignoreConfig',
-  IGNORE_DEPRECATED_RULES = 'ignoreDeprecatedRules',
-  INIT_RULE_DOCS = 'initRuleDocs',
-  PATH_RULE_DOC = 'pathRuleDoc',
-  PATH_RULE_LIST = 'pathRuleList',
-  RULE_DOC_NOTICES = 'ruleDocNotices',
-  RULE_DOC_SECTION_EXCLUDE = 'ruleDocSectionExclude',
-  RULE_DOC_SECTION_INCLUDE = 'ruleDocSectionInclude',
-  RULE_DOC_SECTION_OPTIONS = 'ruleDocSectionOptions',
-  RULE_DOC_TITLE_FORMAT = 'ruleDocTitleFormat',
-  RULE_LIST_COLUMNS = 'ruleListColumns',
-  SPLIT_BY = 'splitBy',
-  URL_CONFIGS = 'urlConfigs',
-  URL_RULE_DOC = 'urlRuleDoc',
-}
-
 const DEFAULT_RULE_DOC_TITLE_FORMAT: RuleDocTitleFormat =
   'desc-parens-prefix-name'; // Using this variable ensures this default has the correct type (not just a plain string).
 
@@ -87,21 +68,3 @@ export const OPTION_DEFAULTS = {
   // eslint-disable-next-line prettier/prettier -- TODO: waiting on prettier support for TypeScript 4.9: https://github.com/prettier/prettier/issues/13516.
 } satisfies Record<OPTION_TYPE, unknown>; // Satisfies is used to ensure all options are included, but without losing type information.
 
-export type GenerateOptions = {
-  check?: boolean;
-  configEmoji?: string[];
-  ignoreConfig?: string[];
-  ignoreDeprecatedRules?: boolean;
-  initRuleDocs?: boolean;
-  pathRuleDoc?: string;
-  pathRuleList?: string;
-  ruleDocNotices?: string;
-  ruleDocSectionExclude?: string[];
-  ruleDocSectionInclude?: string[];
-  ruleDocSectionOptions?: boolean;
-  ruleDocTitleFormat?: RuleDocTitleFormat;
-  ruleListColumns?: string;
-  splitBy?: string;
-  urlConfigs?: string;
-  urlRuleDoc?: string;
-};

lib/package-json.ts

@@ -105,3 +105,19 @@ export function getPathWithExactFileNameCasing(path: string) {
   }
   return undefined; // eslint-disable-line unicorn/no-useless-undefined
 }
+
+export function getCurrentPackageVersion(): string {
+  // When running as compiled code, use path relative to compiled version of this file in the dist folder.
+  // When running as TypeScript (in a test), use path relative to this file.
+  const pathToPackageJson = import.meta.url.endsWith('.ts')
+    ? '../package.json'
+    : /* istanbul ignore next -- can't test the compiled version in test */
+      '../../package.json';
+  const packageJson: PackageJson = JSON.parse(
+    readFileSync(new URL(pathToPackageJson, import.meta.url), 'utf8')
+  );
+  if (!packageJson.version) {
+    throw new Error('Could not find package.json `version`.');
+  }
+  return packageJson.version;
+}

lib/configs.ts → lib/plugin-configs.ts

@@ -103,3 +103,36 @@ export function findConfigEmoji(
 
   return emoji;
 }
+
+/**
+ * Get the emojis for the configs that set a rule to a certain severity.
+ */
+export function getEmojisForConfigsSettingRuleToSeverity(
+  ruleName: string,
+  configsToRulesWithoutIgnored: ConfigsToRules,
+  pluginPrefix: string,
+  configEmojis: ConfigEmojis,
+  severityType: SEVERITY_TYPE
+) {
+  const configsOfThisSeverity = getConfigsForRule(
+    ruleName,
+    configsToRulesWithoutIgnored,
+    pluginPrefix,
+    severityType
+  );
+
+  const emojis: string[] = [];
+  for (const configName of configsOfThisSeverity) {
+    // Find the emoji for each config or otherwise use a badge that can be defined in markdown.
+    const emoji = findConfigEmoji(configEmojis, configName, {
+      fallback: 'badge',
+    });
+    /* istanbul ignore next -- this shouldn't happen */
+    if (typeof emoji !== 'string') {
+      throw new TypeError('Emoji will always be a string thanks to fallback');
+    }
+    emojis.push(emoji);
+  }
+
+  return emojis;
+}

lib/rule-notices.ts → lib/rule-doc-notices.ts

@@ -1,4 +1,4 @@
-import { END_RULE_HEADER_MARKER } from './markers.js';
+import { END_RULE_HEADER_MARKER } from './comment-markers.js';
 import {
   EMOJI_DEPRECATED,
   EMOJI_FIXABLE,
@@ -7,7 +7,7 @@ import {
   EMOJI_CONFIG_FROM_SEVERITY,
   EMOJI_OPTIONS,
 } from './emojis.js';
-import { findConfigEmoji, getConfigsForRule } from './configs.js';
+import { findConfigEmoji, getConfigsForRule } from './plugin-configs.js';
 import {
   RuleModule,
   Plugin,
@@ -382,7 +382,7 @@ function removeTrailingPeriod(str: string) {
   return str.replace(/\.$/, '');
 }
 
-function makeTitle(
+function makeRuleDocTitle(
   name: string,
   description: string | undefined,
   pluginPrefix: string,
@@ -451,7 +451,7 @@ export function generateRuleHeaderLines(
   urlRuleDoc?: string
 ): string {
   return [
-    makeTitle(name, description, pluginPrefix, ruleDocTitleFormat),
+    makeRuleDocTitle(name, description, pluginPrefix, ruleDocTitleFormat),
     ...getRuleNoticeLines(
       name,
       plugin,

lib/rule-list-columns.ts

@@ -9,7 +9,7 @@ import {
 } from './emojis.js';
 import { RULE_TYPES } from './rule-type.js';
 import { COLUMN_TYPE, SEVERITY_TYPE } from './types.js';
-import { getConfigsThatSetARule } from './configs.js';
+import { getConfigsThatSetARule } from './plugin-configs.js';
 import { hasOptions } from './rule-options.js';
 import type { RuleDetails, ConfigsToRules, Plugin } from './types.js';
 

lib/legend.ts → lib/rule-list-legend.ts

@@ -7,7 +7,7 @@ import {
   EMOJI_TYPE,
   EMOJI_CONFIG_FROM_SEVERITY,
 } from './emojis.js';
-import { findConfigEmoji, getConfigsThatSetARule } from './configs.js';
+import { findConfigEmoji, getConfigsThatSetARule } from './plugin-configs.js';
 import {
   COLUMN_TYPE,
   ConfigEmojis,

lib/rule-list.ts

@@ -1,16 +1,19 @@
-import { BEGIN_RULE_LIST_MARKER, END_RULE_LIST_MARKER } from './markers.js';
+import {
+  BEGIN_RULE_LIST_MARKER,
+  END_RULE_LIST_MARKER,
+} from './comment-markers.js';
 import {
   EMOJI_DEPRECATED,
   EMOJI_FIXABLE,
   EMOJI_HAS_SUGGESTIONS,
   EMOJI_OPTIONS,
   EMOJI_REQUIRES_TYPE_CHECKING,
 } from './emojis.js';
-import { getConfigsForRule, findConfigEmoji } from './configs.js';
+import { getEmojisForConfigsSettingRuleToSeverity } from './plugin-configs.js';
 import { getColumns, COLUMN_HEADER } from './rule-list-columns.js';
 import { findSectionHeader } from './markdown.js';
 import { getPluginRoot } from './package-json.js';
-import { generateLegend } from './legend.js';
+import { generateLegend } from './rule-list-legend.js';
 import { relative } from 'node:path';
 import { COLUMN_TYPE, SEVERITY_TYPE } from './types.js';
 import { markdownTable } from 'markdown-table';
@@ -61,39 +64,6 @@ function getPropertyFromRule(
   return result;
 }
 
-/**
- * Get the emojis for the configs that set a rule to a certain severity.
- */
-function getEmojisForConfigsSettingRuleToSeverity(
-  ruleName: string,
-  configsToRulesWithoutIgnored: ConfigsToRules,
-  pluginPrefix: string,
-  configEmojis: ConfigEmojis,
-  severityType: SEVERITY_TYPE
-) {
-  const configsOfThisSeverity = getConfigsForRule(
-    ruleName,
-    configsToRulesWithoutIgnored,
-    pluginPrefix,
-    severityType
-  );
-
-  const emojis: string[] = [];
-  for (const configName of configsOfThisSeverity) {
-    // Find the emoji for each config or otherwise use a badge that can be defined in markdown.
-    const emoji = findConfigEmoji(configEmojis, configName, {
-      fallback: 'badge',
-    });
-    /* istanbul ignore next -- this shouldn't happen */
-    if (typeof emoji !== 'string') {
-      throw new TypeError('Emoji will always be a string thanks to fallback');
-    }
-    emojis.push(emoji);
-  }
-
-  return emojis;
-}
-
 function getConfigurationColumnValueForRule(
   rule: RuleDetails,
   configsToRules: ConfigsToRules,

lib/types.ts

@@ -1,3 +1,4 @@
+import type { RuleDocTitleFormat } from './rule-doc-title-format.js';
 import type { TSESLint, JSONSchema } from '@typescript-eslint/utils';
 
 // Standard ESLint types.
@@ -81,3 +82,42 @@ export enum COLUMN_TYPE {
   REQUIRES_TYPE_CHECKING = 'requiresTypeChecking',
   TYPE = 'type',
 }
+
+export enum OPTION_TYPE {
+  CHECK = 'check',
+  CONFIG_EMOJI = 'configEmoji',
+  IGNORE_CONFIG = 'ignoreConfig',
+  IGNORE_DEPRECATED_RULES = 'ignoreDeprecatedRules',
+  INIT_RULE_DOCS = 'initRuleDocs',
+  PATH_RULE_DOC = 'pathRuleDoc',
+  PATH_RULE_LIST = 'pathRuleList',
+  RULE_DOC_NOTICES = 'ruleDocNotices',
+  RULE_DOC_SECTION_EXCLUDE = 'ruleDocSectionExclude',
+  RULE_DOC_SECTION_INCLUDE = 'ruleDocSectionInclude',
+  RULE_DOC_SECTION_OPTIONS = 'ruleDocSectionOptions',
+  RULE_DOC_TITLE_FORMAT = 'ruleDocTitleFormat',
+  RULE_LIST_COLUMNS = 'ruleListColumns',
+  SPLIT_BY = 'splitBy',
+  URL_CONFIGS = 'urlConfigs',
+  URL_RULE_DOC = 'urlRuleDoc',
+}
+
+/** The type for the config file and internal generate() function. */
+export type GenerateOptions = {
+  check?: boolean;
+  configEmoji?: string[];
+  ignoreConfig?: string[];
+  ignoreDeprecatedRules?: boolean;
+  initRuleDocs?: boolean;
+  pathRuleDoc?: string;
+  pathRuleList?: string;
+  ruleDocNotices?: string;
+  ruleDocSectionExclude?: string[];
+  ruleDocSectionInclude?: string[];
+  ruleDocSectionOptions?: boolean;
+  ruleDocTitleFormat?: RuleDocTitleFormat;
+  ruleListColumns?: string;
+  splitBy?: string;
+  urlConfigs?: string;
+  urlRuleDoc?: string;
+};

test/lib/cli-test.ts

@@ -1,7 +1,7 @@
 import * as sinon from 'sinon';
 import { run } from '../../lib/cli.js';
 import mockFs from 'mock-fs';
-import { OPTION_TYPE } from '../../lib/options.js';
+import { OPTION_TYPE } from '../../lib/types.js';
 
 const configFileOptionsAll: { [key in OPTION_TYPE]: unknown } = {
   check: true,