@antv/layout/lib/node_modules/lodash/_hasUnicode.js

graph layout algorithm

/** Used to compose unicode character classes. */

var _hasUnicode;
var hasRequired_hasUnicode;

function require_hasUnicode () {
	if (hasRequired_hasUnicode) return _hasUnicode;
	hasRequired_hasUnicode = 1;
	var rsAstralRange = '\\ud800-\\udfff',
	    rsComboMarksRange = '\\u0300-\\u036f',
	    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
	    rsComboSymbolsRange = '\\u20d0-\\u20ff',
	    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
	    rsVarRange = '\\ufe0e\\ufe0f';

	/** Used to compose unicode capture groups. */
	var rsZWJ = '\\u200d';

	/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
	var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

	/**
	 * Checks if `string` contains Unicode symbols.
	 *
	 * @private
	 * @param {string} string The string to inspect.
	 * @returns {boolean} Returns `true` if a symbol is found, else `false`.
	 */
	function hasUnicode(string) {
	  return reHasUnicode.test(string);
	}

	_hasUnicode = hasUnicode;
	return _hasUnicode;
}

export { require_hasUnicode as __require };
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