Require Node.js 14 and move to ESM

Author: sindresorhus

.github/funding.yml

@@ -10,13 +10,12 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 18
+          - 16
           - 14
-          - 12
-          - 10
-          - 8
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

.github/workflows/main.yml

@@ -1,23 +1,22 @@
-'use strict';
-const isObservable = require('is-observable');
-const symbolObservable = require('symbol-observable').default;
+import isObservable from 'is-observable';
+import symbolObservable from 'symbol-observable';
 
-module.exports = async value => {
+export default async function observableToPromise(value) {
 	if (!isObservable(value)) {
 		throw new TypeError(`Expected an \`Observable\`, got \`${typeof value}\``);
 	}
 
 	const values = [];
 
 	return new Promise((resolve, reject) => {
-		value[symbolObservable]().subscribe({
-			next: value => {
+		value[symbolObservable.default]().subscribe({
+			next(value) {
 				values.push(value);
 			},
 			error: reject,
-			complete: () => {
+			complete() {
 				resolve(values);
-			}
+			},
 		});
 	});
-};
+}

index.js

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) Sindre Sorhus <[email protected]> (sindresorhus.com)
+Copyright (c) Sindre Sorhus <[email protected]> (https://sindresorhus.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

license

@@ -4,13 +4,16 @@
 	"description": "Convert an Observable to a Promise",
 	"license": "MIT",
 	"repository": "sindresorhus/observable-to-promise",
+	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "[email protected]",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=8"
+		"node": ">=14.16"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -27,16 +30,16 @@
 		"subscribe"
 	],
 	"dependencies": {
-		"is-observable": "^2.0.0",
-		"symbol-observable": "^1.0.4"
+		"is-observable": "^3.0.0",
+		"symbol-observable": "^4.0.0"
 	},
 	"devDependencies": {
-		"ava": "^1.4.1",
-		"most": "^1.2.2",
-		"p-is-promise": "^2.1.0",
-		"rxjs": "^6.5.2",
-		"xo": "^0.24.0",
-		"xstream": "^11.11.0",
-		"zen-observable": "^0.8.14"
+		"ava": "^4.3.0",
+		"most": "^1.9.0",
+		"p-is-promise": "^4.0.0",
+		"rxjs": "^7.5.5",
+		"xo": "^0.49.0",
+		"xstream": "^11.14.0",
+		"zen-observable": "^0.8.15"
 	}
 }

package.json

@@ -2,28 +2,23 @@
 
 > Convert an [Observable](https://github.com/tc39/proposal-observable) to a Promise
 
-
 ## Install
 
-```
-$ npm install observable-to-promise
+```sh
+npm install observable-to-promise
 ```
 
-
 ## Usage
 
 ```js
-const observableToPromise = require('observable-to-promise');
+import observableToPromise from 'observable-to-promise';
 
-(async () => {
-	const promise = observableToPromise(Observable.of(1, 2));
+const promise = observableToPromise(Observable.of(1, 2));
 
-	console.log(await promise);
-	//=> [1, 2]
-})();
+console.log(await promise);
+//=> [1, 2]
 ```
 
-
 ## Related
 
 - [is-observable](https://github.com/sindresorhus/is-observable) - Check if a value is an Observable

readme.md

@@ -4,7 +4,7 @@ import ZenObservable from 'zen-observable';
 import xs from 'xstream';
 import {from as rxFrom} from 'rxjs';
 import * as most from 'most';
-import toPromise from '.';
+import toPromise from './index.js';
 
 // Run tests for a given observable library
 function testWithALib([libraryName, fromArray, failed]) {
@@ -25,13 +25,15 @@ function testWithALib([libraryName, fromArray, failed]) {
 
 // Run tests for the list of libraries
 function testWithLibs(libraries) {
-	libraries.forEach(testWithALib);
+	for (const library of libraries) {
+		testWithALib(library);
+	}
 }
 
 // Run tests not using any observables
 function commonTests() {
 	test('throw an error when an non-observable is given', async t => {
-		await t.throwsAsync(toPromise(2), TypeError);
+		await t.throwsAsync(toPromise(2), {instanceOf: TypeError});
 	});
 }
 
@@ -47,8 +49,8 @@ const rejected = async () => {
 const zenFrom = array => ZenObservable.from(array);
 const zenFailed = () => new ZenObservable(observer => observer.error(reason));
 
-const xsFrom = array => xs.from(array);
-const xsFailed = () => xs.fromPromise(rejected());
+const xsFrom = array => xs.default.from(array);
+const xsFailed = () => xs.default.fromPromise(rejected());
 
 const rxFailed = () => rxFrom(rejected());
 
@@ -60,5 +62,5 @@ testWithLibs([
 	['zen-observable', zenFrom, zenFailed],
 	['xstream', xsFrom, xsFailed],
 	['RxJS 5', rxFrom, rxFailed],
-	['most', mostFrom, mostFailed]
+	['most', mostFrom, mostFailed],
 ]);