1093 lines
38 KiB
JavaScript
1093 lines
38 KiB
JavaScript
|
/*
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||
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* STOP!!! DO NOT MODIFY.
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*
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* This file is part of the ongoing work to move the eslintrc-style config
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* system into the @eslint/eslintrc package. This file needs to remain
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* unchanged in order for this work to proceed.
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*
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* If you think you need to change this file, please contact @nzakas first.
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*
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* Thanks in advance for your cooperation.
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*/
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/**
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* @fileoverview The factory of `ConfigArray` objects.
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*
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* This class provides methods to create `ConfigArray` instance.
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*
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* - `create(configData, options)`
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* Create a `ConfigArray` instance from a config data. This is to handle CLI
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* options except `--config`.
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* - `loadFile(filePath, options)`
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* Create a `ConfigArray` instance from a config file. This is to handle
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* `--config` option. If the file was not found, throws the following error:
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* - If the filename was `*.js`, a `MODULE_NOT_FOUND` error.
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* - If the filename was `package.json`, an IO error or an
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* `ESLINT_CONFIG_FIELD_NOT_FOUND` error.
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* - Otherwise, an IO error such as `ENOENT`.
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* - `loadInDirectory(directoryPath, options)`
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* Create a `ConfigArray` instance from a config file which is on a given
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* directory. This tries to load `.eslintrc.*` or `package.json`. If not
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* found, returns an empty `ConfigArray`.
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* - `loadESLintIgnore(filePath)`
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* Create a `ConfigArray` instance from a config file that is `.eslintignore`
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* format. This is to handle `--ignore-path` option.
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* - `loadDefaultESLintIgnore()`
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* Create a `ConfigArray` instance from `.eslintignore` or `package.json` in
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* the current working directory.
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*
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* `ConfigArrayFactory` class has the responsibility that loads configuration
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* files, including loading `extends`, `parser`, and `plugins`. The created
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* `ConfigArray` instance has the loaded `extends`, `parser`, and `plugins`.
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*
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* But this class doesn't handle cascading. `CascadingConfigArrayFactory` class
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* handles cascading and hierarchy.
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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 fs = require("fs");
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const path = require("path");
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const importFresh = require("import-fresh");
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const stripComments = require("strip-json-comments");
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const { validateConfigSchema } = require("../shared/config-validator");
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const naming = require("@eslint/eslintrc/lib/shared/naming");
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const ModuleResolver = require("../shared/relative-module-resolver");
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const {
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ConfigArray,
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ConfigDependency,
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IgnorePattern,
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OverrideTester
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} = require("./config-array");
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const debug = require("debug")("eslint:config-array-factory");
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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const eslintRecommendedPath = path.resolve(__dirname, "../../conf/eslint-recommended.js");
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const eslintAllPath = path.resolve(__dirname, "../../conf/eslint-all.js");
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const configFilenames = [
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".eslintrc.js",
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".eslintrc.cjs",
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".eslintrc.yaml",
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".eslintrc.yml",
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".eslintrc.json",
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".eslintrc",
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"package.json"
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];
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// Define types for VSCode IntelliSense.
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/** @typedef {import("../shared/types").ConfigData} ConfigData */
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/** @typedef {import("../shared/types").OverrideConfigData} OverrideConfigData */
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/** @typedef {import("../shared/types").Parser} Parser */
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/** @typedef {import("../shared/types").Plugin} Plugin */
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/** @typedef {import("./config-array/config-dependency").DependentParser} DependentParser */
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/** @typedef {import("./config-array/config-dependency").DependentPlugin} DependentPlugin */
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/** @typedef {ConfigArray[0]} ConfigArrayElement */
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/**
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* @typedef {Object} ConfigArrayFactoryOptions
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* @property {Map<string,Plugin>} [additionalPluginPool] The map for additional plugins.
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* @property {string} [cwd] The path to the current working directory.
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* @property {string} [resolvePluginsRelativeTo] A path to the directory that plugins should be resolved from. Defaults to `cwd`.
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*/
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/**
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* @typedef {Object} ConfigArrayFactoryInternalSlots
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* @property {Map<string,Plugin>} additionalPluginPool The map for additional plugins.
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* @property {string} cwd The path to the current working directory.
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* @property {string | undefined} resolvePluginsRelativeTo An absolute path the the directory that plugins should be resolved from.
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*/
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/**
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* @typedef {Object} ConfigArrayFactoryLoadingContext
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* @property {string} filePath The path to the current configuration.
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* @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
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* @property {string} name The name of the current configuration.
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* @property {string} pluginBasePath The base path to resolve plugins.
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* @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors.
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*/
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/**
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* @typedef {Object} ConfigArrayFactoryLoadingContext
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* @property {string} filePath The path to the current configuration.
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* @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
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* @property {string} name The name of the current configuration.
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* @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors.
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*/
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/** @type {WeakMap<ConfigArrayFactory, ConfigArrayFactoryInternalSlots>} */
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const internalSlotsMap = new WeakMap();
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/**
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* Check if a given string is a file path.
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* @param {string} nameOrPath A module name or file path.
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* @returns {boolean} `true` if the `nameOrPath` is a file path.
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*/
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function isFilePath(nameOrPath) {
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return (
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/^\.{1,2}[/\\]/u.test(nameOrPath) ||
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path.isAbsolute(nameOrPath)
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);
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}
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/**
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* Convenience wrapper for synchronously reading file contents.
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* @param {string} filePath The filename to read.
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* @returns {string} The file contents, with the BOM removed.
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* @private
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*/
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function readFile(filePath) {
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return fs.readFileSync(filePath, "utf8").replace(/^\ufeff/u, "");
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}
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/**
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* Loads a YAML configuration from a file.
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* @param {string} filePath The filename to load.
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* @returns {ConfigData} The configuration object from the file.
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* @throws {Error} If the file cannot be read.
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* @private
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*/
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function loadYAMLConfigFile(filePath) {
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debug(`Loading YAML config file: ${filePath}`);
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// lazy load YAML to improve performance when not used
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const yaml = require("js-yaml");
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try {
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// empty YAML file can be null, so always use
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return yaml.safeLoad(readFile(filePath)) || {};
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||
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} catch (e) {
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debug(`Error reading YAML file: ${filePath}`);
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e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
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throw e;
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}
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}
|
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||
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/**
|
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* Loads a JSON configuration from a file.
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* @param {string} filePath The filename to load.
|
||
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* @returns {ConfigData} The configuration object from the file.
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||
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* @throws {Error} If the file cannot be read.
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* @private
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*/
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function loadJSONConfigFile(filePath) {
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debug(`Loading JSON config file: ${filePath}`);
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try {
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return JSON.parse(stripComments(readFile(filePath)));
|
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} catch (e) {
|
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debug(`Error reading JSON file: ${filePath}`);
|
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e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
|
||
|
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e.messageTemplate = "failed-to-read-json";
|
||
|
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e.messageData = {
|
||
|
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path: filePath,
|
||
|
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message: e.message
|
||
|
|
};
|
||
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throw e;
|
||
|
|
}
|
||
|
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}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads a legacy (.eslintrc) configuration from a file.
|
||
|
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* @param {string} filePath The filename to load.
|
||
|
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* @returns {ConfigData} The configuration object from the file.
|
||
|
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* @throws {Error} If the file cannot be read.
|
||
|
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* @private
|
||
|
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*/
|
||
|
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function loadLegacyConfigFile(filePath) {
|
||
|
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debug(`Loading legacy config file: ${filePath}`);
|
||
|
|
|
||
|
|
// lazy load YAML to improve performance when not used
|
||
|
|
const yaml = require("js-yaml");
|
||
|
|
|
||
|
|
try {
|
||
|
|
return yaml.safeLoad(stripComments(readFile(filePath))) || /* istanbul ignore next */ {};
|
||
|
|
} catch (e) {
|
||
|
|
debug("Error reading YAML file: %s\n%o", filePath, e);
|
||
|
|
e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads a JavaScript configuration from a file.
|
||
|
|
* @param {string} filePath The filename to load.
|
||
|
|
* @returns {ConfigData} The configuration object from the file.
|
||
|
|
* @throws {Error} If the file cannot be read.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function loadJSConfigFile(filePath) {
|
||
|
|
debug(`Loading JS config file: ${filePath}`);
|
||
|
|
try {
|
||
|
|
return importFresh(filePath);
|
||
|
|
} catch (e) {
|
||
|
|
debug(`Error reading JavaScript file: ${filePath}`);
|
||
|
|
e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads a configuration from a package.json file.
|
||
|
|
* @param {string} filePath The filename to load.
|
||
|
|
* @returns {ConfigData} The configuration object from the file.
|
||
|
|
* @throws {Error} If the file cannot be read.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function loadPackageJSONConfigFile(filePath) {
|
||
|
|
debug(`Loading package.json config file: ${filePath}`);
|
||
|
|
try {
|
||
|
|
const packageData = loadJSONConfigFile(filePath);
|
||
|
|
|
||
|
|
if (!Object.hasOwnProperty.call(packageData, "eslintConfig")) {
|
||
|
|
throw Object.assign(
|
||
|
|
new Error("package.json file doesn't have 'eslintConfig' field."),
|
||
|
|
{ code: "ESLINT_CONFIG_FIELD_NOT_FOUND" }
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return packageData.eslintConfig;
|
||
|
|
} catch (e) {
|
||
|
|
debug(`Error reading package.json file: ${filePath}`);
|
||
|
|
e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads a `.eslintignore` from a file.
|
||
|
|
* @param {string} filePath The filename to load.
|
||
|
|
* @returns {string[]} The ignore patterns from the file.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function loadESLintIgnoreFile(filePath) {
|
||
|
|
debug(`Loading .eslintignore file: ${filePath}`);
|
||
|
|
|
||
|
|
try {
|
||
|
|
return readFile(filePath)
|
||
|
|
.split(/\r?\n/gu)
|
||
|
|
.filter(line => line.trim() !== "" && !line.startsWith("#"));
|
||
|
|
} catch (e) {
|
||
|
|
debug(`Error reading .eslintignore file: ${filePath}`);
|
||
|
|
e.message = `Cannot read .eslintignore file: ${filePath}\nError: ${e.message}`;
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates an error to notify about a missing config to extend from.
|
||
|
|
* @param {string} configName The name of the missing config.
|
||
|
|
* @param {string} importerName The name of the config that imported the missing config
|
||
|
|
* @param {string} messageTemplate The text template to source error strings from.
|
||
|
|
* @returns {Error} The error object to throw
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function configInvalidError(configName, importerName, messageTemplate) {
|
||
|
|
return Object.assign(
|
||
|
|
new Error(`Failed to load config "${configName}" to extend from.`),
|
||
|
|
{
|
||
|
|
messageTemplate,
|
||
|
|
messageData: { configName, importerName }
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads a configuration file regardless of the source. Inspects the file path
|
||
|
|
* to determine the correctly way to load the config file.
|
||
|
|
* @param {string} filePath The path to the configuration.
|
||
|
|
* @returns {ConfigData|null} The configuration information.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function loadConfigFile(filePath) {
|
||
|
|
switch (path.extname(filePath)) {
|
||
|
|
case ".js":
|
||
|
|
case ".cjs":
|
||
|
|
return loadJSConfigFile(filePath);
|
||
|
|
|
||
|
|
case ".json":
|
||
|
|
if (path.basename(filePath) === "package.json") {
|
||
|
|
return loadPackageJSONConfigFile(filePath);
|
||
|
|
}
|
||
|
|
return loadJSONConfigFile(filePath);
|
||
|
|
|
||
|
|
case ".yaml":
|
||
|
|
case ".yml":
|
||
|
|
return loadYAMLConfigFile(filePath);
|
||
|
|
|
||
|
|
default:
|
||
|
|
return loadLegacyConfigFile(filePath);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write debug log.
|
||
|
|
* @param {string} request The requested module name.
|
||
|
|
* @param {string} relativeTo The file path to resolve the request relative to.
|
||
|
|
* @param {string} filePath The resolved file path.
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
function writeDebugLogForLoading(request, relativeTo, filePath) {
|
||
|
|
/* istanbul ignore next */
|
||
|
|
if (debug.enabled) {
|
||
|
|
let nameAndVersion = null;
|
||
|
|
|
||
|
|
try {
|
||
|
|
const packageJsonPath = ModuleResolver.resolve(
|
||
|
|
`${request}/package.json`,
|
||
|
|
relativeTo
|
||
|
|
);
|
||
|
|
const { version = "unknown" } = require(packageJsonPath);
|
||
|
|
|
||
|
|
nameAndVersion = `${request}@${version}`;
|
||
|
|
} catch (error) {
|
||
|
|
debug("package.json was not found:", error.message);
|
||
|
|
nameAndVersion = request;
|
||
|
|
}
|
||
|
|
|
||
|
|
debug("Loaded: %s (%s)", nameAndVersion, filePath);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new context with default values.
|
||
|
|
* @param {ConfigArrayFactoryInternalSlots} slots The internal slots.
|
||
|
|
* @param {"config" | "ignore" | "implicit-processor" | undefined} providedType The type of the current configuration. Default is `"config"`.
|
||
|
|
* @param {string | undefined} providedName The name of the current configuration. Default is the relative path from `cwd` to `filePath`.
|
||
|
|
* @param {string | undefined} providedFilePath The path to the current configuration. Default is empty string.
|
||
|
|
* @param {string | undefined} providedMatchBasePath The type of the current configuration. Default is the directory of `filePath` or `cwd`.
|
||
|
|
* @returns {ConfigArrayFactoryLoadingContext} The created context.
|
||
|
|
*/
|
||
|
|
function createContext(
|
||
|
|
{ cwd, resolvePluginsRelativeTo },
|
||
|
|
providedType,
|
||
|
|
providedName,
|
||
|
|
providedFilePath,
|
||
|
|
providedMatchBasePath
|
||
|
|
) {
|
||
|
|
const filePath = providedFilePath
|
||
|
|
? path.resolve(cwd, providedFilePath)
|
||
|
|
: "";
|
||
|
|
const matchBasePath =
|
||
|
|
(providedMatchBasePath && path.resolve(cwd, providedMatchBasePath)) ||
|
||
|
|
(filePath && path.dirname(filePath)) ||
|
||
|
|
cwd;
|
||
|
|
const name =
|
||
|
|
providedName ||
|
||
|
|
(filePath && path.relative(cwd, filePath)) ||
|
||
|
|
"";
|
||
|
|
const pluginBasePath =
|
||
|
|
resolvePluginsRelativeTo ||
|
||
|
|
(filePath && path.dirname(filePath)) ||
|
||
|
|
cwd;
|
||
|
|
const type = providedType || "config";
|
||
|
|
|
||
|
|
return { filePath, matchBasePath, name, pluginBasePath, type };
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Normalize a given plugin.
|
||
|
|
* - Ensure the object to have four properties: configs, environments, processors, and rules.
|
||
|
|
* - Ensure the object to not have other properties.
|
||
|
|
* @param {Plugin} plugin The plugin to normalize.
|
||
|
|
* @returns {Plugin} The normalized plugin.
|
||
|
|
*/
|
||
|
|
function normalizePlugin(plugin) {
|
||
|
|
return {
|
||
|
|
configs: plugin.configs || {},
|
||
|
|
environments: plugin.environments || {},
|
||
|
|
processors: plugin.processors || {},
|
||
|
|
rules: plugin.rules || {}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
// Public Interface
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The factory of `ConfigArray` objects.
|
||
|
|
*/
|
||
|
|
class ConfigArrayFactory {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialize this instance.
|
||
|
|
* @param {ConfigArrayFactoryOptions} [options] The map for additional plugins.
|
||
|
|
*/
|
||
|
|
constructor({
|
||
|
|
additionalPluginPool = new Map(),
|
||
|
|
cwd = process.cwd(),
|
||
|
|
resolvePluginsRelativeTo
|
||
|
|
} = {}) {
|
||
|
|
internalSlotsMap.set(this, {
|
||
|
|
additionalPluginPool,
|
||
|
|
cwd,
|
||
|
|
resolvePluginsRelativeTo:
|
||
|
|
resolvePluginsRelativeTo &&
|
||
|
|
path.resolve(cwd, resolvePluginsRelativeTo)
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create `ConfigArray` instance from a config data.
|
||
|
|
* @param {ConfigData|null} configData The config data to create.
|
||
|
|
* @param {Object} [options] The options.
|
||
|
|
* @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
|
||
|
|
* @param {string} [options.filePath] The path to this config data.
|
||
|
|
* @param {string} [options.name] The config name.
|
||
|
|
* @returns {ConfigArray} Loaded config.
|
||
|
|
*/
|
||
|
|
create(configData, { basePath, filePath, name } = {}) {
|
||
|
|
if (!configData) {
|
||
|
|
return new ConfigArray();
|
||
|
|
}
|
||
|
|
|
||
|
|
const slots = internalSlotsMap.get(this);
|
||
|
|
const ctx = createContext(slots, "config", name, filePath, basePath);
|
||
|
|
const elements = this._normalizeConfigData(configData, ctx);
|
||
|
|
|
||
|
|
return new ConfigArray(...elements);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load a config file.
|
||
|
|
* @param {string} filePath The path to a config file.
|
||
|
|
* @param {Object} [options] The options.
|
||
|
|
* @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
|
||
|
|
* @param {string} [options.name] The config name.
|
||
|
|
* @returns {ConfigArray} Loaded config.
|
||
|
|
*/
|
||
|
|
loadFile(filePath, { basePath, name } = {}) {
|
||
|
|
const slots = internalSlotsMap.get(this);
|
||
|
|
const ctx = createContext(slots, "config", name, filePath, basePath);
|
||
|
|
|
||
|
|
return new ConfigArray(...this._loadConfigData(ctx));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load the config file on a given directory if exists.
|
||
|
|
* @param {string} directoryPath The path to a directory.
|
||
|
|
* @param {Object} [options] The options.
|
||
|
|
* @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
|
||
|
|
* @param {string} [options.name] The config name.
|
||
|
|
* @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
|
||
|
|
*/
|
||
|
|
loadInDirectory(directoryPath, { basePath, name } = {}) {
|
||
|
|
const slots = internalSlotsMap.get(this);
|
||
|
|
|
||
|
|
for (const filename of configFilenames) {
|
||
|
|
const ctx = createContext(
|
||
|
|
slots,
|
||
|
|
"config",
|
||
|
|
name,
|
||
|
|
path.join(directoryPath, filename),
|
||
|
|
basePath
|
||
|
|
);
|
||
|
|
|
||
|
|
if (fs.existsSync(ctx.filePath)) {
|
||
|
|
let configData;
|
||
|
|
|
||
|
|
try {
|
||
|
|
configData = loadConfigFile(ctx.filePath);
|
||
|
|
} catch (error) {
|
||
|
|
if (!error || error.code !== "ESLINT_CONFIG_FIELD_NOT_FOUND") {
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (configData) {
|
||
|
|
debug(`Config file found: ${ctx.filePath}`);
|
||
|
|
return new ConfigArray(
|
||
|
|
...this._normalizeConfigData(configData, ctx)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
debug(`Config file not found on ${directoryPath}`);
|
||
|
|
return new ConfigArray();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if a config file on a given directory exists or not.
|
||
|
|
* @param {string} directoryPath The path to a directory.
|
||
|
|
* @returns {string | null} The path to the found config file. If not found then null.
|
||
|
|
*/
|
||
|
|
static getPathToConfigFileInDirectory(directoryPath) {
|
||
|
|
for (const filename of configFilenames) {
|
||
|
|
const filePath = path.join(directoryPath, filename);
|
||
|
|
|
||
|
|
if (fs.existsSync(filePath)) {
|
||
|
|
if (filename === "package.json") {
|
||
|
|
try {
|
||
|
|
loadPackageJSONConfigFile(filePath);
|
||
|
|
return filePath;
|
||
|
|
} catch { /* ignore */ }
|
||
|
|
} else {
|
||
|
|
return filePath;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load `.eslintignore` file.
|
||
|
|
* @param {string} filePath The path to a `.eslintignore` file to load.
|
||
|
|
* @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
|
||
|
|
*/
|
||
|
|
loadESLintIgnore(filePath) {
|
||
|
|
const slots = internalSlotsMap.get(this);
|
||
|
|
const ctx = createContext(
|
||
|
|
slots,
|
||
|
|
"ignore",
|
||
|
|
void 0,
|
||
|
|
filePath,
|
||
|
|
slots.cwd
|
||
|
|
);
|
||
|
|
const ignorePatterns = loadESLintIgnoreFile(ctx.filePath);
|
||
|
|
|
||
|
|
return new ConfigArray(
|
||
|
|
...this._normalizeESLintIgnoreData(ignorePatterns, ctx)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load `.eslintignore` file in the current working directory.
|
||
|
|
* @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
|
||
|
|
*/
|
||
|
|
loadDefaultESLintIgnore() {
|
||
|
|
const slots = internalSlotsMap.get(this);
|
||
|
|
const eslintIgnorePath = path.resolve(slots.cwd, ".eslintignore");
|
||
|
|
const packageJsonPath = path.resolve(slots.cwd, "package.json");
|
||
|
|
|
||
|
|
if (fs.existsSync(eslintIgnorePath)) {
|
||
|
|
return this.loadESLintIgnore(eslintIgnorePath);
|
||
|
|
}
|
||
|
|
if (fs.existsSync(packageJsonPath)) {
|
||
|
|
const data = loadJSONConfigFile(packageJsonPath);
|
||
|
|
|
||
|
|
if (Object.hasOwnProperty.call(data, "eslintIgnore")) {
|
||
|
|
if (!Array.isArray(data.eslintIgnore)) {
|
||
|
|
throw new Error("Package.json eslintIgnore property requires an array of paths");
|
||
|
|
}
|
||
|
|
const ctx = createContext(
|
||
|
|
slots,
|
||
|
|
"ignore",
|
||
|
|
"eslintIgnore in package.json",
|
||
|
|
packageJsonPath,
|
||
|
|
slots.cwd
|
||
|
|
);
|
||
|
|
|
||
|
|
return new ConfigArray(
|
||
|
|
...this._normalizeESLintIgnoreData(data.eslintIgnore, ctx)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return new ConfigArray();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load a given config file.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} Loaded config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadConfigData(ctx) {
|
||
|
|
return this._normalizeConfigData(loadConfigFile(ctx.filePath), ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Normalize a given `.eslintignore` data to config array elements.
|
||
|
|
* @param {string[]} ignorePatterns The patterns to ignore files.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
*_normalizeESLintIgnoreData(ignorePatterns, ctx) {
|
||
|
|
const elements = this._normalizeObjectConfigData(
|
||
|
|
{ ignorePatterns },
|
||
|
|
ctx
|
||
|
|
);
|
||
|
|
|
||
|
|
// Set `ignorePattern.loose` flag for backward compatibility.
|
||
|
|
for (const element of elements) {
|
||
|
|
if (element.ignorePattern) {
|
||
|
|
element.ignorePattern.loose = true;
|
||
|
|
}
|
||
|
|
yield element;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Normalize a given config to an array.
|
||
|
|
* @param {ConfigData} configData The config data to normalize.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_normalizeConfigData(configData, ctx) {
|
||
|
|
validateConfigSchema(configData, ctx.name || ctx.filePath);
|
||
|
|
return this._normalizeObjectConfigData(configData, ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Normalize a given config to an array.
|
||
|
|
* @param {ConfigData|OverrideConfigData} configData The config data to normalize.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
*_normalizeObjectConfigData(configData, ctx) {
|
||
|
|
const { files, excludedFiles, ...configBody } = configData;
|
||
|
|
const criteria = OverrideTester.create(
|
||
|
|
files,
|
||
|
|
excludedFiles,
|
||
|
|
ctx.matchBasePath
|
||
|
|
);
|
||
|
|
const elements = this._normalizeObjectConfigDataBody(configBody, ctx);
|
||
|
|
|
||
|
|
// Apply the criteria to every element.
|
||
|
|
for (const element of elements) {
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Merge the criteria.
|
||
|
|
* This is for the `overrides` entries that came from the
|
||
|
|
* configurations of `overrides[].extends`.
|
||
|
|
*/
|
||
|
|
element.criteria = OverrideTester.and(criteria, element.criteria);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Remove `root` property to ignore `root` settings which came from
|
||
|
|
* `extends` in `overrides`.
|
||
|
|
*/
|
||
|
|
if (element.criteria) {
|
||
|
|
element.root = void 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
yield element;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Normalize a given config to an array.
|
||
|
|
* @param {ConfigData} configData The config data to normalize.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
*_normalizeObjectConfigDataBody(
|
||
|
|
{
|
||
|
|
env,
|
||
|
|
extends: extend,
|
||
|
|
globals,
|
||
|
|
ignorePatterns,
|
||
|
|
noInlineConfig,
|
||
|
|
parser: parserName,
|
||
|
|
parserOptions,
|
||
|
|
plugins: pluginList,
|
||
|
|
processor,
|
||
|
|
reportUnusedDisableDirectives,
|
||
|
|
root,
|
||
|
|
rules,
|
||
|
|
settings,
|
||
|
|
overrides: overrideList = []
|
||
|
|
},
|
||
|
|
ctx
|
||
|
|
) {
|
||
|
|
const extendList = Array.isArray(extend) ? extend : [extend];
|
||
|
|
const ignorePattern = ignorePatterns && new IgnorePattern(
|
||
|
|
Array.isArray(ignorePatterns) ? ignorePatterns : [ignorePatterns],
|
||
|
|
ctx.matchBasePath
|
||
|
|
);
|
||
|
|
|
||
|
|
// Flatten `extends`.
|
||
|
|
for (const extendName of extendList.filter(Boolean)) {
|
||
|
|
yield* this._loadExtends(extendName, ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Load parser & plugins.
|
||
|
|
const parser = parserName && this._loadParser(parserName, ctx);
|
||
|
|
const plugins = pluginList && this._loadPlugins(pluginList, ctx);
|
||
|
|
|
||
|
|
// Yield pseudo config data for file extension processors.
|
||
|
|
if (plugins) {
|
||
|
|
yield* this._takeFileExtensionProcessors(plugins, ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Yield the config data except `extends` and `overrides`.
|
||
|
|
yield {
|
||
|
|
|
||
|
|
// Debug information.
|
||
|
|
type: ctx.type,
|
||
|
|
name: ctx.name,
|
||
|
|
filePath: ctx.filePath,
|
||
|
|
|
||
|
|
// Config data.
|
||
|
|
criteria: null,
|
||
|
|
env,
|
||
|
|
globals,
|
||
|
|
ignorePattern,
|
||
|
|
noInlineConfig,
|
||
|
|
parser,
|
||
|
|
parserOptions,
|
||
|
|
plugins,
|
||
|
|
processor,
|
||
|
|
reportUnusedDisableDirectives,
|
||
|
|
root,
|
||
|
|
rules,
|
||
|
|
settings
|
||
|
|
};
|
||
|
|
|
||
|
|
// Flatten `overries`.
|
||
|
|
for (let i = 0; i < overrideList.length; ++i) {
|
||
|
|
yield* this._normalizeObjectConfigData(
|
||
|
|
overrideList[i],
|
||
|
|
{ ...ctx, name: `${ctx.name}#overrides[${i}]` }
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load configs of an element in `extends`.
|
||
|
|
* @param {string} extendName The name of a base config.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadExtends(extendName, ctx) {
|
||
|
|
debug("Loading {extends:%j} relative to %s", extendName, ctx.filePath);
|
||
|
|
try {
|
||
|
|
if (extendName.startsWith("eslint:")) {
|
||
|
|
return this._loadExtendedBuiltInConfig(extendName, ctx);
|
||
|
|
}
|
||
|
|
if (extendName.startsWith("plugin:")) {
|
||
|
|
return this._loadExtendedPluginConfig(extendName, ctx);
|
||
|
|
}
|
||
|
|
return this._loadExtendedShareableConfig(extendName, ctx);
|
||
|
|
} catch (error) {
|
||
|
|
error.message += `\nReferenced from: ${ctx.filePath || ctx.name}`;
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load configs of an element in `extends`.
|
||
|
|
* @param {string} extendName The name of a base config.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadExtendedBuiltInConfig(extendName, ctx) {
|
||
|
|
if (extendName === "eslint:recommended") {
|
||
|
|
return this._loadConfigData({
|
||
|
|
...ctx,
|
||
|
|
filePath: eslintRecommendedPath,
|
||
|
|
name: `${ctx.name} » ${extendName}`
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (extendName === "eslint:all") {
|
||
|
|
return this._loadConfigData({
|
||
|
|
...ctx,
|
||
|
|
filePath: eslintAllPath,
|
||
|
|
name: `${ctx.name} » ${extendName}`
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
throw configInvalidError(extendName, ctx.name, "extend-config-missing");
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load configs of an element in `extends`.
|
||
|
|
* @param {string} extendName The name of a base config.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadExtendedPluginConfig(extendName, ctx) {
|
||
|
|
const slashIndex = extendName.lastIndexOf("/");
|
||
|
|
|
||
|
|
if (slashIndex === -1) {
|
||
|
|
throw configInvalidError(extendName, ctx.filePath, "plugin-invalid");
|
||
|
|
}
|
||
|
|
|
||
|
|
const pluginName = extendName.slice("plugin:".length, slashIndex);
|
||
|
|
const configName = extendName.slice(slashIndex + 1);
|
||
|
|
|
||
|
|
if (isFilePath(pluginName)) {
|
||
|
|
throw new Error("'extends' cannot use a file path for plugins.");
|
||
|
|
}
|
||
|
|
|
||
|
|
const plugin = this._loadPlugin(pluginName, ctx);
|
||
|
|
const configData =
|
||
|
|
plugin.definition &&
|
||
|
|
plugin.definition.configs[configName];
|
||
|
|
|
||
|
|
if (configData) {
|
||
|
|
return this._normalizeConfigData(configData, {
|
||
|
|
...ctx,
|
||
|
|
filePath: plugin.filePath || ctx.filePath,
|
||
|
|
name: `${ctx.name} » plugin:${plugin.id}/${configName}`
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
throw plugin.error || configInvalidError(extendName, ctx.filePath, "extend-config-missing");
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load configs of an element in `extends`.
|
||
|
|
* @param {string} extendName The name of a base config.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The normalized config.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadExtendedShareableConfig(extendName, ctx) {
|
||
|
|
const { cwd } = internalSlotsMap.get(this);
|
||
|
|
const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js");
|
||
|
|
let request;
|
||
|
|
|
||
|
|
if (isFilePath(extendName)) {
|
||
|
|
request = extendName;
|
||
|
|
} else if (extendName.startsWith(".")) {
|
||
|
|
request = `./${extendName}`; // For backward compatibility. A ton of tests depended on this behavior.
|
||
|
|
} else {
|
||
|
|
request = naming.normalizePackageName(
|
||
|
|
extendName,
|
||
|
|
"eslint-config"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
let filePath;
|
||
|
|
|
||
|
|
try {
|
||
|
|
filePath = ModuleResolver.resolve(request, relativeTo);
|
||
|
|
} catch (error) {
|
||
|
|
/* istanbul ignore else */
|
||
|
|
if (error && error.code === "MODULE_NOT_FOUND") {
|
||
|
|
throw configInvalidError(extendName, ctx.filePath, "extend-config-missing");
|
||
|
|
}
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
|
||
|
|
writeDebugLogForLoading(request, relativeTo, filePath);
|
||
|
|
return this._loadConfigData({
|
||
|
|
...ctx,
|
||
|
|
filePath,
|
||
|
|
name: `${ctx.name} » ${request}`
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load given plugins.
|
||
|
|
* @param {string[]} names The plugin names to load.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {Record<string,DependentPlugin>} The loaded parser.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadPlugins(names, ctx) {
|
||
|
|
return names.reduce((map, name) => {
|
||
|
|
if (isFilePath(name)) {
|
||
|
|
throw new Error("Plugins array cannot includes file paths.");
|
||
|
|
}
|
||
|
|
const plugin = this._loadPlugin(name, ctx);
|
||
|
|
|
||
|
|
map[plugin.id] = plugin;
|
||
|
|
|
||
|
|
return map;
|
||
|
|
}, {});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load a given parser.
|
||
|
|
* @param {string} nameOrPath The package name or the path to a parser file.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {DependentParser} The loaded parser.
|
||
|
|
*/
|
||
|
|
_loadParser(nameOrPath, ctx) {
|
||
|
|
debug("Loading parser %j from %s", nameOrPath, ctx.filePath);
|
||
|
|
|
||
|
|
const { cwd } = internalSlotsMap.get(this);
|
||
|
|
const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js");
|
||
|
|
|
||
|
|
try {
|
||
|
|
const filePath = ModuleResolver.resolve(nameOrPath, relativeTo);
|
||
|
|
|
||
|
|
writeDebugLogForLoading(nameOrPath, relativeTo, filePath);
|
||
|
|
|
||
|
|
return new ConfigDependency({
|
||
|
|
definition: require(filePath),
|
||
|
|
filePath,
|
||
|
|
id: nameOrPath,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
} catch (error) {
|
||
|
|
|
||
|
|
// If the parser name is "espree", load the espree of ESLint.
|
||
|
|
if (nameOrPath === "espree") {
|
||
|
|
debug("Fallback espree.");
|
||
|
|
return new ConfigDependency({
|
||
|
|
definition: require("espree"),
|
||
|
|
filePath: require.resolve("espree"),
|
||
|
|
id: nameOrPath,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
debug("Failed to load parser '%s' declared in '%s'.", nameOrPath, ctx.name);
|
||
|
|
error.message = `Failed to load parser '${nameOrPath}' declared in '${ctx.name}': ${error.message}`;
|
||
|
|
|
||
|
|
return new ConfigDependency({
|
||
|
|
error,
|
||
|
|
id: nameOrPath,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load a given plugin.
|
||
|
|
* @param {string} name The plugin name to load.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {DependentPlugin} The loaded plugin.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadPlugin(name, ctx) {
|
||
|
|
debug("Loading plugin %j from %s", name, ctx.filePath);
|
||
|
|
|
||
|
|
const { additionalPluginPool } = internalSlotsMap.get(this);
|
||
|
|
const request = naming.normalizePackageName(name, "eslint-plugin");
|
||
|
|
const id = naming.getShorthandName(request, "eslint-plugin");
|
||
|
|
const relativeTo = path.join(ctx.pluginBasePath, "__placeholder__.js");
|
||
|
|
|
||
|
|
if (name.match(/\s+/u)) {
|
||
|
|
const error = Object.assign(
|
||
|
|
new Error(`Whitespace found in plugin name '${name}'`),
|
||
|
|
{
|
||
|
|
messageTemplate: "whitespace-found",
|
||
|
|
messageData: { pluginName: request }
|
||
|
|
}
|
||
|
|
);
|
||
|
|
|
||
|
|
return new ConfigDependency({
|
||
|
|
error,
|
||
|
|
id,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for additional pool.
|
||
|
|
const plugin =
|
||
|
|
additionalPluginPool.get(request) ||
|
||
|
|
additionalPluginPool.get(id);
|
||
|
|
|
||
|
|
if (plugin) {
|
||
|
|
return new ConfigDependency({
|
||
|
|
definition: normalizePlugin(plugin),
|
||
|
|
filePath: "", // It's unknown where the plugin came from.
|
||
|
|
id,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
let filePath;
|
||
|
|
let error;
|
||
|
|
|
||
|
|
try {
|
||
|
|
filePath = ModuleResolver.resolve(request, relativeTo);
|
||
|
|
} catch (resolveError) {
|
||
|
|
error = resolveError;
|
||
|
|
/* istanbul ignore else */
|
||
|
|
if (error && error.code === "MODULE_NOT_FOUND") {
|
||
|
|
error.messageTemplate = "plugin-missing";
|
||
|
|
error.messageData = {
|
||
|
|
pluginName: request,
|
||
|
|
resolvePluginsRelativeTo: ctx.pluginBasePath,
|
||
|
|
importerName: ctx.name
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (filePath) {
|
||
|
|
try {
|
||
|
|
writeDebugLogForLoading(request, relativeTo, filePath);
|
||
|
|
|
||
|
|
const startTime = Date.now();
|
||
|
|
const pluginDefinition = require(filePath);
|
||
|
|
|
||
|
|
debug(`Plugin ${filePath} loaded in: ${Date.now() - startTime}ms`);
|
||
|
|
|
||
|
|
return new ConfigDependency({
|
||
|
|
definition: normalizePlugin(pluginDefinition),
|
||
|
|
filePath,
|
||
|
|
id,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
} catch (loadError) {
|
||
|
|
error = loadError;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
debug("Failed to load plugin '%s' declared in '%s'.", name, ctx.name);
|
||
|
|
error.message = `Failed to load plugin '${name}' declared in '${ctx.name}': ${error.message}`;
|
||
|
|
return new ConfigDependency({
|
||
|
|
error,
|
||
|
|
id,
|
||
|
|
importerName: ctx.name,
|
||
|
|
importerPath: ctx.filePath
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Take file expression processors as config array elements.
|
||
|
|
* @param {Record<string,DependentPlugin>} plugins The plugin definitions.
|
||
|
|
* @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
|
||
|
|
* @returns {IterableIterator<ConfigArrayElement>} The config array elements of file expression processors.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
*_takeFileExtensionProcessors(plugins, ctx) {
|
||
|
|
for (const pluginId of Object.keys(plugins)) {
|
||
|
|
const processors =
|
||
|
|
plugins[pluginId] &&
|
||
|
|
plugins[pluginId].definition &&
|
||
|
|
plugins[pluginId].definition.processors;
|
||
|
|
|
||
|
|
if (!processors) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (const processorId of Object.keys(processors)) {
|
||
|
|
if (processorId.startsWith(".")) {
|
||
|
|
yield* this._normalizeObjectConfigData(
|
||
|
|
{
|
||
|
|
files: [`*${processorId}`],
|
||
|
|
processor: `${pluginId}/${processorId}`
|
||
|
|
},
|
||
|
|
{
|
||
|
|
...ctx,
|
||
|
|
type: "implicit-processor",
|
||
|
|
name: `${ctx.name}#processors["${pluginId}/${processorId}"]`
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = { ConfigArrayFactory, createContext };
|