			'use strict';
			const mimicFn = require('mimic-fn');

			const calledFunctions = new WeakMap();

			const onetime = (function_, options = {}) => {
			if (typeof function_ !== 'function') {
			throw new TypeError('Expected a function');
			}

			let returnValue;
			let callCount = 0;
			const functionName = function_.displayName \|\| function_.name \|\| '<anonymous>';

			const onetime = function (...arguments_) {
			calledFunctions.set(onetime, ++callCount);

			if (callCount === 1) {
			returnValue = function_.apply(this, arguments_);
			function_ = null;
			} else if (options.throw === true) {
			throw new Error(`Function \`${functionName}\` can only be called once`);
			}

			return returnValue;
			};

			mimicFn(onetime, function_);
			calledFunctions.set(onetime, callCount);

			return onetime;
			};

			module.exports = onetime;
			// TODO: Remove this for the next major release
			module.exports.default = onetime;

			module.exports.callCount = function_ => {
			if (!calledFunctions.has(function_)) {
			throw new Error(`The given function \`${function_.name}\` is not wrapped by the \`onetime\` package`);
			}

			return calledFunctions.get(function_);
			};

rOACCT/node_modules/onetime/index.js
078f80032ad6drf-api-tracking

index.js
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