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node_modules/stylelint/lib/utils/getFormatter.cjs

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+// NOTICE: This file is generated by Rollup. To modify it,
+// please instead edit the ESM counterpart and rebuild with Rollup (npm run build).
+'use strict';
+
+const constants = require('../constants.cjs');
+const dynamicImport = require('./dynamicImport.cjs');
+const fs = require('node:fs');
+const index = require('../formatters/index.cjs');
+const getConfigForFile = require('../getConfigForFile.cjs');
+const getFormatterOptionsText = require('./getFormatterOptionsText.cjs');
+const path = require('node:path');
+
+/** @import {Formatter, InternalApi} from 'stylelint' */
+
+/**
+ * @param {InternalApi} stylelint
+ * @returns {Promise<Formatter>}
+ */
+async function getFormatter(stylelint) {
+	const cwd = stylelint._options.cwd;
+	const configPath = stylelint._options.configFile || cwd;
+	let formatter = stylelint._options.formatter;
+
+	if (!formatter) {
+		let configForFile;
+
+		try {
+			configForFile = await getConfigForFile(stylelint, configPath);
+		} catch (err) {
+			if (err instanceof Error && 'code' in err && err.code === constants.EXIT_CODE_INVALID_CONFIG) {
+				configForFile = undefined;
+			} else {
+				throw err;
+			}
+		}
+
+		formatter = configForFile?.config.formatter;
+	}
+
+	if (typeof formatter === 'string') {
+		let formatterFunction = index[formatter];
+
+		if (formatterFunction === undefined) {
+			if (fs.existsSync(formatter)) {
+				formatterFunction = await dynamicImport(path.resolve(formatter)).then((m) => m.default);
+			} else {
+				const formattersText = getFormatterOptionsText(', ', '"');
+
+				throw new Error(`You must use a valid formatter option: ${formattersText} or a function`);
+			}
+		}
+
+		return formatterFunction;
+	}
+
+	// Assume a function or a promise of a function.
+	if (typeof formatter === 'function' || formatter) {
+		return Promise.resolve(formatter);
+	}
+
+	formatter ??= stylelint._options._defaultFormatter ?? 'json';
+
+	return index[formatter];
+}
+
+module.exports = getFormatter;