basant307/AI_Governance_Project

1'use strict';2 3const processFn = (fn, opts) => function () {4	const P = opts.promiseModule;5	const args = new Array(arguments.length);6 7	for (let i = 0; i < arguments.length; i++) {8		args[i] = arguments[i];9	}10 11	return new P((resolve, reject) => {12		if (opts.errorFirst) {13			args.push(function (err, result) {14				if (opts.multiArgs) {15					const results = new Array(arguments.length - 1);16 17					for (let i = 1; i < arguments.length; i++) {18						results[i - 1] = arguments[i];19					}20 21					if (err) {22						results.unshift(err);23						reject(results);24					} else {25						resolve(results);26					}27				} else if (err) {28					reject(err);29				} else {30					resolve(result);31				}32			});33		} else {34			args.push(function (result) {35				if (opts.multiArgs) {36					const results = new Array(arguments.length - 1);37 38					for (let i = 0; i < arguments.length; i++) {39						results[i] = arguments[i];40					}41 42					resolve(results);43				} else {44					resolve(result);45				}46			});47		}48 49		fn.apply(this, args);50	});51};52 53module.exports = (obj, opts) => {54	opts = Object.assign({55		exclude: [/.+(Sync|Stream)$/],56		errorFirst: true,57		promiseModule: Promise58	}, opts);59 60	const filter = key => {61		const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);62		return opts.include ? opts.include.some(match) : !opts.exclude.some(match);63	};64 65	let ret;66	if (typeof obj === 'function') {67		ret = function () {68			if (opts.excludeMain) {69				return obj.apply(this, arguments);70			}71 72			return processFn(obj, opts).apply(this, arguments);73		};74	} else {75		ret = Object.create(Object.getPrototypeOf(obj));76	}77 78	for (const key in obj) { // eslint-disable-line guard-for-in79		const x = obj[key];80		ret[key] = typeof x === 'function' && filter(key) ? processFn(x, opts) : x;81	}82 83	return ret;84};85