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/var/www/uibuilder.cmshelp.dk/httpdocs/node_modules/is-generator-function/index.js

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'use strict';

var callBound = require('call-bound');
var safeRegexTest = require('safe-regex-test');
var isFnRegex = safeRegexTest(/^\s*(?:function)?\*/);
var hasToStringTag = require('has-tostringtag/shams')();
var getProto = require('get-proto');

var toStr = callBound('Object.prototype.toString');
var fnToStr = callBound('Function.prototype.toString');

/** @type {import('.')} */
module.exports = function isGeneratorFunction(fn) {
	if (typeof fn !== 'function') {
		return false;
	}
	if (isFnRegex(fnToStr(fn))) {
		return true;
	}
	if (!hasToStringTag) {
		var str = toStr(fn);
		return str === '[object GeneratorFunction]';
	}
	if (!getProto) {
		return false;
	}
	if (typeof GeneratorFunction === 'undefined') {
		var generatorFunc = getGeneratorFunc();
		GeneratorFunction = generatorFunc
			// eslint-disable-next-line no-extra-parens
			? /** @type {GeneratorFunctionConstructor} */ (getProto(generatorFunc))
			: false;
	}
	return getProto(fn) === GeneratorFunction;
};

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index.d.ts	106 B	lrw-r--r--	2025-03-28 11:04:35	Edit Download recursive recursive
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