Files F121614980

index.js
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Created: Sat, Jul 12, 11:45

index.js
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	'use strict';

	const processFn = (fn, options) => function (...args) {
	const P = options.promiseModule;

	return new P((resolve, reject) => {
	if (options.multiArgs) {
	args.push((...result) => {
	if (options.errorFirst) {
	if (result[0]) {
	reject(result);
	} else {
	result.shift();
	resolve(result);
	}
	} else {
	resolve(result);
	}
	});
	} else if (options.errorFirst) {
	args.push((error, result) => {
	if (error) {
	reject(error);
	} else {
	resolve(result);
	}
	});
	} else {
	args.push(resolve);
	}

	fn.apply(this, args);
	});
	};

	module.exports = (input, options) => {
	options = Object.assign({
	exclude: [/.+(Sync\|Stream)$/],
	errorFirst: true,
	promiseModule: Promise
	}, options);

	const objType = typeof input;
	if (!(input !== null && (objType === 'object' \|\| objType === 'function'))) {
	throw new TypeError(`Expected \`input\` to be a \`Function\` or \`Object\`, got \`${input === null ? 'null' : objType}\``);
	}

	const filter = key => {
	const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);
	return options.include ? options.include.some(match) : !options.exclude.some(match);
	};

	let ret;
	if (objType === 'function') {
	ret = function (...args) {
	return options.excludeMain ? input(...args) : processFn(input, options).apply(this, args);
	};
	} else {
	ret = Object.create(Object.getPrototypeOf(input));
	}

	for (const key in input) { // eslint-disable-line guard-for-in
	const property = input[key];
	ret[key] = typeof property === 'function' && filter(key) ? processFn(property, options) : property;
	}

	return ret;
	};

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