Add components

slider/node_modules/eslint/lib/shared/translate-cli-options.js

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+/**
+ * @fileoverview Translates CLI options into ESLint constructor options.
+ * @author Nicholas C. Zakas
+ * @author Francesco Trotta
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { normalizeSeverityToString } = require("./severity");
+const { getShorthandName, normalizePackageName } = require("./naming");
+const { ModuleImporter } = require("@humanwhocodes/module-importer");
+
+//------------------------------------------------------------------------------
+// Types
+//------------------------------------------------------------------------------
+
+/** @typedef {import("../types").ESLint.Options} ESLintOptions */
+/** @typedef {import("../types").ESLint.LegacyOptions} LegacyESLintOptions */
+/** @typedef {import("../types").Linter.LintMessage} LintMessage */
+/** @typedef {import("../options").ParsedCLIOptions} ParsedCLIOptions */
+/** @typedef {import("../types").ESLint.Plugin} Plugin */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Loads plugins with the specified names.
+ * @param {{ "import": (name: string) => Promise<any> }} importer An object with an `import` method called once for each plugin.
+ * @param {string[]} pluginNames The names of the plugins to be loaded, with or without the "eslint-plugin-" prefix.
+ * @returns {Promise<Record<string, Plugin>>} A mapping of plugin short names to implementations.
+ */
+async function loadPlugins(importer, pluginNames) {
+	const plugins = {};
+
+	await Promise.all(
+		pluginNames.map(async pluginName => {
+			const longName = normalizePackageName(pluginName, "eslint-plugin");
+			const module = await importer.import(longName);
+
+			if (!("default" in module)) {
+				throw new Error(
+					`"${longName}" cannot be used with the \`--plugin\` option because its default module does not provide a \`default\` export`,
+				);
+			}
+
+			const shortName = getShorthandName(pluginName, "eslint-plugin");
+
+			plugins[shortName] = module.default;
+		}),
+	);
+
+	return plugins;
+}
+
+/**
+ * Predicate function for whether or not to apply fixes in quiet mode.
+ * If a message is a warning, do not apply a fix.
+ * @param {LintMessage} message The lint result.
+ * @returns {boolean} True if the lint message is an error (and thus should be
+ * autofixed), false otherwise.
+ */
+function quietFixPredicate(message) {
+	return message.severity === 2;
+}
+
+/**
+ * Predicate function for whether or not to run a rule in quiet mode.
+ * If a rule is set to warning, do not run it.
+ * @param {{ ruleId: string; severity: number; }} rule The rule id and severity.
+ * @returns {boolean} True if the lint rule should run, false otherwise.
+ */
+function quietRuleFilter(rule) {
+	return rule.severity === 2;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Translates the CLI options into the options expected by the ESLint constructor.
+ * @param {ParsedCLIOptions} cliOptions The CLI options to translate.
+ * @param {"flat"|"eslintrc"} [configType="eslintrc"] The format of the config to generate.
+ * @returns {Promise<ESLintOptions | LegacyESLintOptions>} The options object for the ESLint constructor.
+ */
+async function translateOptions(
+	{
+		cache,
+		cacheFile,
+		cacheLocation,
+		cacheStrategy,
+		concurrency,
+		config,
+		configLookup,
+		env,
+		errorOnUnmatchedPattern,
+		eslintrc,
+		ext,
+		fix,
+		fixDryRun,
+		fixType,
+		flag,
+		global,
+		ignore,
+		ignorePath,
+		ignorePattern,
+		inlineConfig,
+		parser,
+		parserOptions,
+		plugin,
+		quiet,
+		reportUnusedDisableDirectives,
+		reportUnusedDisableDirectivesSeverity,
+		reportUnusedInlineConfigs,
+		resolvePluginsRelativeTo,
+		rule,
+		rulesdir,
+		stats,
+		warnIgnored,
+		passOnNoPatterns,
+		maxWarnings,
+	},
+	configType,
+) {
+	let overrideConfig, overrideConfigFile;
+	const importer = new ModuleImporter();
+
+	if (configType === "flat") {
+		overrideConfigFile =
+			typeof config === "string" ? config : !configLookup;
+		if (overrideConfigFile === false) {
+			overrideConfigFile = void 0;
+		}
+
+		const languageOptions = {};
+
+		if (global) {
+			languageOptions.globals = global.reduce((obj, name) => {
+				if (name.endsWith(":true")) {
+					obj[name.slice(0, -5)] = "writable";
+				} else {
+					obj[name] = "readonly";
+				}
+				return obj;
+			}, {});
+		}
+
+		if (parserOptions) {
+			languageOptions.parserOptions = parserOptions;
+		}
+
+		if (parser) {
+			languageOptions.parser = await importer.import(parser);
+		}
+
+		overrideConfig = [
+			{
+				...(Object.keys(languageOptions).length > 0
+					? { languageOptions }
+					: {}),
+				rules: rule ? rule : {},
+			},
+		];
+
+		if (
+			reportUnusedDisableDirectives ||
+			reportUnusedDisableDirectivesSeverity !== void 0
+		) {
+			overrideConfig[0].linterOptions = {
+				reportUnusedDisableDirectives: reportUnusedDisableDirectives
+					? "error"
+					: normalizeSeverityToString(
+							reportUnusedDisableDirectivesSeverity,
+						),
+			};
+		}
+
+		if (reportUnusedInlineConfigs !== void 0) {
+			overrideConfig[0].linterOptions = {
+				...overrideConfig[0].linterOptions,
+				reportUnusedInlineConfigs: normalizeSeverityToString(
+					reportUnusedInlineConfigs,
+				),
+			};
+		}
+
+		if (plugin) {
+			overrideConfig[0].plugins = await loadPlugins(importer, plugin);
+		}
+
+		if (ext) {
+			overrideConfig.push({
+				files: ext.map(
+					extension =>
+						`**/*${extension.startsWith(".") ? "" : "."}${extension}`,
+				),
+			});
+		}
+	} else {
+		overrideConfigFile = config;
+
+		overrideConfig = {
+			env:
+				env &&
+				env.reduce((obj, name) => {
+					obj[name] = true;
+					return obj;
+				}, {}),
+			globals:
+				global &&
+				global.reduce((obj, name) => {
+					if (name.endsWith(":true")) {
+						obj[name.slice(0, -5)] = "writable";
+					} else {
+						obj[name] = "readonly";
+					}
+					return obj;
+				}, {}),
+			ignorePatterns: ignorePattern,
+			parser,
+			parserOptions,
+			plugins: plugin,
+			rules: rule,
+		};
+	}
+
+	const options = {
+		allowInlineConfig: inlineConfig,
+		cache,
+		cacheLocation: cacheLocation || cacheFile,
+		cacheStrategy,
+		errorOnUnmatchedPattern,
+		fix: (fix || fixDryRun) && (quiet ? quietFixPredicate : true),
+		fixTypes: fixType,
+		ignore,
+		overrideConfig,
+		overrideConfigFile,
+		passOnNoPatterns,
+	};
+
+	if (configType === "flat") {
+		options.concurrency = concurrency;
+		options.flags = flag;
+		options.ignorePatterns = ignorePattern;
+		options.stats = stats;
+		options.warnIgnored = warnIgnored;
+
+		/*
+		 * For performance reasons rules not marked as 'error' are filtered out in quiet mode. As maxWarnings
+		 * requires rules set to 'warn' to be run, we only filter out 'warn' rules if maxWarnings is not specified.
+		 */
+		options.ruleFilter =
+			quiet && maxWarnings === -1 ? quietRuleFilter : () => true;
+	} else {
+		options.resolvePluginsRelativeTo = resolvePluginsRelativeTo;
+		options.rulePaths = rulesdir;
+		options.useEslintrc = eslintrc;
+		options.extensions = ext;
+		options.ignorePath = ignorePath;
+		if (
+			reportUnusedDisableDirectives ||
+			reportUnusedDisableDirectivesSeverity !== void 0
+		) {
+			options.reportUnusedDisableDirectives =
+				reportUnusedDisableDirectives
+					? "error"
+					: normalizeSeverityToString(
+							reportUnusedDisableDirectivesSeverity,
+						);
+		}
+	}
+
+	return options;
+}
+
+module.exports = translateOptions;