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node_modules/@sindresorhus/transliterate/index.js

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+import escapeStringRegexp from 'escape-string-regexp';
+import builtinReplacements from './replacements.js';
+
+const doCustomReplacements = (string, replacements) => {
+	for (const [key, value] of replacements) {
+		// TODO: Use `String#replaceAll()` when targeting Node.js 16.
+		string = string.replace(new RegExp(escapeStringRegexp(key), 'g'), value);
+	}
+
+	return string;
+};
+
+export default function transliterate(string, options) {
+	if (typeof string !== 'string') {
+		throw new TypeError(`Expected a string, got \`${typeof string}\``);
+	}
+
+	options = {
+		customReplacements: [],
+		...options
+	};
+
+	const customReplacements = new Map([
+		...builtinReplacements,
+		...options.customReplacements
+	]);
+
+	string = string.normalize();
+	string = doCustomReplacements(string, customReplacements);
+	string = string.normalize('NFD').replace(/\p{Diacritic}/gu, '').normalize();
+
+	return string;
+}