mirror of
https://github.com/joelwmale/webhook-action.git
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525 lines
17 KiB
JavaScript
525 lines
17 KiB
JavaScript
/**
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* @fileoverview `ConfigArray` class.
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*
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* `ConfigArray` class expresses the full of a configuration. It has the entry
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* config file, base config files that were extended, loaded parsers, and loaded
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* plugins.
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*
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* `ConfigArray` class provides three properties and two methods.
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*
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* - `pluginEnvironments`
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* - `pluginProcessors`
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* - `pluginRules`
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* The `Map` objects that contain the members of all plugins that this
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* config array contains. Those map objects don't have mutation methods.
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* Those keys are the member ID such as `pluginId/memberName`.
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* - `isRoot()`
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* If `true` then this configuration has `root:true` property.
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* - `extractConfig(filePath)`
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* Extract the final configuration for a given file. This means merging
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* every config array element which that `criteria` property matched. The
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* `filePath` argument must be an absolute path.
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*
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* `ConfigArrayFactory` provides the loading logic of config files.
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*
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* @author Toru Nagashima <https://github.com/mysticatea>
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const { ExtractedConfig } = require("./extracted-config");
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const { IgnorePattern } = require("./ignore-pattern");
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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// Define types for VSCode IntelliSense.
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/** @typedef {import("../../shared/types").Environment} Environment */
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/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */
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/** @typedef {import("../../shared/types").RuleConf} RuleConf */
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/** @typedef {import("../../shared/types").Rule} Rule */
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/** @typedef {import("../../shared/types").Plugin} Plugin */
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/** @typedef {import("../../shared/types").Processor} Processor */
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/** @typedef {import("./config-dependency").DependentParser} DependentParser */
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/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */
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/** @typedef {import("./override-tester")["OverrideTester"]} OverrideTester */
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/**
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* @typedef {Object} ConfigArrayElement
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* @property {string} name The name of this config element.
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* @property {string} filePath The path to the source file of this config element.
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* @property {InstanceType<OverrideTester>|null} criteria The tester for the `files` and `excludedFiles` of this config element.
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* @property {Record<string, boolean>|undefined} env The environment settings.
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* @property {Record<string, GlobalConf>|undefined} globals The global variable settings.
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* @property {IgnorePattern|undefined} ignorePattern The ignore patterns.
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* @property {boolean|undefined} noInlineConfig The flag that disables directive comments.
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* @property {DependentParser|undefined} parser The parser loader.
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* @property {Object|undefined} parserOptions The parser options.
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* @property {Record<string, DependentPlugin>|undefined} plugins The plugin loaders.
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* @property {string|undefined} processor The processor name to refer plugin's processor.
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* @property {boolean|undefined} reportUnusedDisableDirectives The flag to report unused `eslint-disable` comments.
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* @property {boolean|undefined} root The flag to express root.
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* @property {Record<string, RuleConf>|undefined} rules The rule settings
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* @property {Object|undefined} settings The shared settings.
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* @property {"config" | "ignore" | "implicit-processor"} type The element type.
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*/
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/**
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* @typedef {Object} ConfigArrayInternalSlots
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* @property {Map<string, ExtractedConfig>} cache The cache to extract configs.
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* @property {ReadonlyMap<string, Environment>|null} envMap The map from environment ID to environment definition.
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* @property {ReadonlyMap<string, Processor>|null} processorMap The map from processor ID to environment definition.
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* @property {ReadonlyMap<string, Rule>|null} ruleMap The map from rule ID to rule definition.
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*/
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/** @type {WeakMap<ConfigArray, ConfigArrayInternalSlots>} */
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const internalSlotsMap = new class extends WeakMap {
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get(key) {
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let value = super.get(key);
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if (!value) {
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value = {
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cache: new Map(),
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envMap: null,
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processorMap: null,
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ruleMap: null
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};
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super.set(key, value);
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}
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return value;
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}
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}();
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/**
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* Get the indices which are matched to a given file.
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* @param {ConfigArrayElement[]} elements The elements.
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* @param {string} filePath The path to a target file.
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* @returns {number[]} The indices.
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*/
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function getMatchedIndices(elements, filePath) {
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const indices = [];
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for (let i = elements.length - 1; i >= 0; --i) {
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const element = elements[i];
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if (!element.criteria || (filePath && element.criteria.test(filePath))) {
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indices.push(i);
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}
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}
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return indices;
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}
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/**
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* Check if a value is a non-null object.
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* @param {any} x The value to check.
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* @returns {boolean} `true` if the value is a non-null object.
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*/
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function isNonNullObject(x) {
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return typeof x === "object" && x !== null;
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}
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/**
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* Merge two objects.
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*
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* Assign every property values of `y` to `x` if `x` doesn't have the property.
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* If `x`'s property value is an object, it does recursive.
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* @param {Object} target The destination to merge
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* @param {Object|undefined} source The source to merge.
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* @returns {void}
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*/
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function mergeWithoutOverwrite(target, source) {
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if (!isNonNullObject(source)) {
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return;
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}
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for (const key of Object.keys(source)) {
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if (key === "__proto__") {
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continue;
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}
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if (isNonNullObject(target[key])) {
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mergeWithoutOverwrite(target[key], source[key]);
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} else if (target[key] === void 0) {
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if (isNonNullObject(source[key])) {
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target[key] = Array.isArray(source[key]) ? [] : {};
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mergeWithoutOverwrite(target[key], source[key]);
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} else if (source[key] !== void 0) {
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target[key] = source[key];
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}
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}
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}
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}
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/**
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* The error for plugin conflicts.
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*/
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class PluginConflictError extends Error {
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/**
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* Initialize this error object.
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* @param {string} pluginId The plugin ID.
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* @param {{filePath:string, importerName:string}[]} plugins The resolved plugins.
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*/
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constructor(pluginId, plugins) {
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super(`Plugin "${pluginId}" was conflicted between ${plugins.map(p => `"${p.importerName}"`).join(" and ")}.`);
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this.messageTemplate = "plugin-conflict";
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this.messageData = { pluginId, plugins };
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}
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}
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/**
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* Merge plugins.
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* `target`'s definition is prior to `source`'s.
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* @param {Record<string, DependentPlugin>} target The destination to merge
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* @param {Record<string, DependentPlugin>|undefined} source The source to merge.
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* @returns {void}
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*/
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function mergePlugins(target, source) {
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if (!isNonNullObject(source)) {
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return;
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}
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for (const key of Object.keys(source)) {
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if (key === "__proto__") {
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continue;
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}
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const targetValue = target[key];
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const sourceValue = source[key];
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// Adopt the plugin which was found at first.
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if (targetValue === void 0) {
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if (sourceValue.error) {
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throw sourceValue.error;
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}
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target[key] = sourceValue;
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} else if (sourceValue.filePath !== targetValue.filePath) {
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throw new PluginConflictError(key, [
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{
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filePath: targetValue.filePath,
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importerName: targetValue.importerName
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},
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{
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filePath: sourceValue.filePath,
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importerName: sourceValue.importerName
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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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* Merge rule configs.
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* `target`'s definition is prior to `source`'s.
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* @param {Record<string, Array>} target The destination to merge
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* @param {Record<string, RuleConf>|undefined} source The source to merge.
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* @returns {void}
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*/
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function mergeRuleConfigs(target, source) {
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if (!isNonNullObject(source)) {
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return;
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}
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for (const key of Object.keys(source)) {
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if (key === "__proto__") {
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continue;
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}
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const targetDef = target[key];
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const sourceDef = source[key];
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// Adopt the rule config which was found at first.
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if (targetDef === void 0) {
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if (Array.isArray(sourceDef)) {
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target[key] = [...sourceDef];
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} else {
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target[key] = [sourceDef];
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}
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/*
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* If the first found rule config is severity only and the current rule
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* config has options, merge the severity and the options.
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*/
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} else if (
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targetDef.length === 1 &&
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Array.isArray(sourceDef) &&
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sourceDef.length >= 2
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) {
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targetDef.push(...sourceDef.slice(1));
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}
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}
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}
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/**
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* Create the extracted config.
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* @param {ConfigArray} instance The config elements.
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* @param {number[]} indices The indices to use.
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* @returns {ExtractedConfig} The extracted config.
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*/
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function createConfig(instance, indices) {
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const config = new ExtractedConfig();
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const ignorePatterns = [];
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// Merge elements.
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for (const index of indices) {
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const element = instance[index];
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// Adopt the parser which was found at first.
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if (!config.parser && element.parser) {
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if (element.parser.error) {
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throw element.parser.error;
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}
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config.parser = element.parser;
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}
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// Adopt the processor which was found at first.
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if (!config.processor && element.processor) {
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config.processor = element.processor;
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}
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// Adopt the noInlineConfig which was found at first.
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if (config.noInlineConfig === void 0 && element.noInlineConfig !== void 0) {
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config.noInlineConfig = element.noInlineConfig;
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config.configNameOfNoInlineConfig = element.name;
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}
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// Adopt the reportUnusedDisableDirectives which was found at first.
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if (config.reportUnusedDisableDirectives === void 0 && element.reportUnusedDisableDirectives !== void 0) {
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config.reportUnusedDisableDirectives = element.reportUnusedDisableDirectives;
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}
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// Collect ignorePatterns
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if (element.ignorePattern) {
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ignorePatterns.push(element.ignorePattern);
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}
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// Merge others.
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mergeWithoutOverwrite(config.env, element.env);
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mergeWithoutOverwrite(config.globals, element.globals);
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mergeWithoutOverwrite(config.parserOptions, element.parserOptions);
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mergeWithoutOverwrite(config.settings, element.settings);
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mergePlugins(config.plugins, element.plugins);
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mergeRuleConfigs(config.rules, element.rules);
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}
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// Create the predicate function for ignore patterns.
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if (ignorePatterns.length > 0) {
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config.ignores = IgnorePattern.createIgnore(ignorePatterns.reverse());
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}
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return config;
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}
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/**
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* Collect definitions.
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* @template T, U
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* @param {string} pluginId The plugin ID for prefix.
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* @param {Record<string,T>} defs The definitions to collect.
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* @param {Map<string, U>} map The map to output.
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* @param {function(T): U} [normalize] The normalize function for each value.
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* @returns {void}
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*/
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function collect(pluginId, defs, map, normalize) {
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if (defs) {
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const prefix = pluginId && `${pluginId}/`;
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for (const [key, value] of Object.entries(defs)) {
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map.set(
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`${prefix}${key}`,
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normalize ? normalize(value) : value
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);
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}
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}
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}
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/**
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* Normalize a rule definition.
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* @param {Function|Rule} rule The rule definition to normalize.
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* @returns {Rule} The normalized rule definition.
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*/
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function normalizePluginRule(rule) {
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return typeof rule === "function" ? { create: rule } : rule;
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}
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/**
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* Delete the mutation methods from a given map.
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* @param {Map<any, any>} map The map object to delete.
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* @returns {void}
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*/
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function deleteMutationMethods(map) {
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Object.defineProperties(map, {
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clear: { configurable: true, value: void 0 },
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delete: { configurable: true, value: void 0 },
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set: { configurable: true, value: void 0 }
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});
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}
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/**
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* Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.
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* @param {ConfigArrayElement[]} elements The config elements.
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* @param {ConfigArrayInternalSlots} slots The internal slots.
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* @returns {void}
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*/
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function initPluginMemberMaps(elements, slots) {
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const processed = new Set();
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slots.envMap = new Map();
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slots.processorMap = new Map();
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slots.ruleMap = new Map();
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for (const element of elements) {
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if (!element.plugins) {
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continue;
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}
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for (const [pluginId, value] of Object.entries(element.plugins)) {
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const plugin = value.definition;
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if (!plugin || processed.has(pluginId)) {
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continue;
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}
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processed.add(pluginId);
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collect(pluginId, plugin.environments, slots.envMap);
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collect(pluginId, plugin.processors, slots.processorMap);
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collect(pluginId, plugin.rules, slots.ruleMap, normalizePluginRule);
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}
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}
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deleteMutationMethods(slots.envMap);
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deleteMutationMethods(slots.processorMap);
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deleteMutationMethods(slots.ruleMap);
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}
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/**
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* Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.
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* @param {ConfigArray} instance The config elements.
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* @returns {ConfigArrayInternalSlots} The extracted config.
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*/
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function ensurePluginMemberMaps(instance) {
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const slots = internalSlotsMap.get(instance);
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if (!slots.ruleMap) {
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initPluginMemberMaps(instance, slots);
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}
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return slots;
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}
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//------------------------------------------------------------------------------
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// Public Interface
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//------------------------------------------------------------------------------
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/**
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* The Config Array.
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*
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* `ConfigArray` instance contains all settings, parsers, and plugins.
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* You need to call `ConfigArray#extractConfig(filePath)` method in order to
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* extract, merge and get only the config data which is related to an arbitrary
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* file.
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* @extends {Array<ConfigArrayElement>}
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*/
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class ConfigArray extends Array {
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/**
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* Get the plugin environments.
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* The returned map cannot be mutated.
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* @type {ReadonlyMap<string, Environment>} The plugin environments.
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*/
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get pluginEnvironments() {
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return ensurePluginMemberMaps(this).envMap;
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}
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/**
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* Get the plugin processors.
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* The returned map cannot be mutated.
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* @type {ReadonlyMap<string, Processor>} The plugin processors.
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*/
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get pluginProcessors() {
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return ensurePluginMemberMaps(this).processorMap;
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}
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/**
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* Get the plugin rules.
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* The returned map cannot be mutated.
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* @returns {ReadonlyMap<string, Rule>} The plugin rules.
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*/
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get pluginRules() {
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return ensurePluginMemberMaps(this).ruleMap;
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}
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/**
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* Check if this config has `root` flag.
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* @returns {boolean} `true` if this config array is root.
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*/
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isRoot() {
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for (let i = this.length - 1; i >= 0; --i) {
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const root = this[i].root;
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if (typeof root === "boolean") {
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return root;
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}
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}
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return false;
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}
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/**
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* Extract the config data which is related to a given file.
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* @param {string} filePath The absolute path to the target file.
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* @returns {ExtractedConfig} The extracted config data.
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*/
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extractConfig(filePath) {
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const { cache } = internalSlotsMap.get(this);
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const indices = getMatchedIndices(this, filePath);
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const cacheKey = indices.join(",");
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if (!cache.has(cacheKey)) {
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cache.set(cacheKey, createConfig(this, indices));
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}
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return cache.get(cacheKey);
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}
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/**
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* Check if a given path is an additional lint target.
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* @param {string} filePath The absolute path to the target file.
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* @returns {boolean} `true` if the file is an additional lint target.
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*/
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isAdditionalTargetPath(filePath) {
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for (const { criteria, type } of this) {
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if (
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type === "config" &&
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criteria &&
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!criteria.endsWithWildcard &&
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criteria.test(filePath)
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) {
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return true;
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}
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}
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return false;
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}
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}
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const exportObject = {
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ConfigArray,
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/**
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* Get the used extracted configs.
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* CLIEngine will use this method to collect used deprecated rules.
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* @param {ConfigArray} instance The config array object to get.
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* @returns {ExtractedConfig[]} The used extracted configs.
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* @private
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*/
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getUsedExtractedConfigs(instance) {
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const { cache } = internalSlotsMap.get(instance);
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return Array.from(cache.values());
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}
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};
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module.exports = exportObject;
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