Throwing human-readable error for unsupported node.js versions (#145)

fixes #143

package-lock.json

@@ -1,12 +1,12 @@
 {
     "name": "@fluencelabs/fluence",
-    "version": "0.0.1-fix-sig.0",
+    "version": "0.0.0",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@fluencelabs/fluence",
-            "version": "0.0.1-fix-sig.0",
+            "version": "0.0.0",
             "license": "Apache-2.0",
             "dependencies": {
                 "@chainsafe/libp2p-noise": "^4.1.1",
@@ -15,7 +15,6 @@
                 "@fluencelabs/avm-runner-interface": "^0.2.0",
                 "@fluencelabs/marine-js": "0.1.0",
                 "async": "3.2.0",
-                "browser-or-node": "^2.0.0",
                 "bs58": "4.0.1",
                 "buffer": "^6.0.3",
                 "cids": "0.8.1",
@@ -29,6 +28,7 @@
                 "multiaddr": "^10.0.1",
                 "multiformats": "^9.6.4",
                 "peer-id": "=0.15.4",
+                "platform": "^1.3.6",
                 "rxjs": "^7.3.0",
                 "ts-pattern": "^3.3.3",
                 "uuid": "8.3.0"
@@ -40,6 +40,7 @@
                 "@fluencelabs/aqua": "^0.7.0-285",
                 "@fluencelabs/aqua-lib": "^0.4.3",
                 "@types/jest": "^26.0.22",
+                "@types/platform": "^1.3.4",
                 "jest": "^26.6.3",
                 "js-base64": "^3.7.2",
                 "ts-jest": "^26.5.4",
@@ -1398,6 +1399,12 @@
             "integrity": "sha512-Gj7cI7z+98M282Tqmp2K5EIsoouUEzbBJhQQzDE3jSIRk6r9gsz0oUokqIUR4u1R3dMHo0pDHM7sNOHyhulypw==",
             "dev": true
         },
+        "node_modules/@types/platform": {
+            "version": "1.3.4",
+            "resolved": "https://registry.npmjs.org/@types/platform/-/platform-1.3.4.tgz",
+            "integrity": "sha512-U0o4K+GNiK0PNxoDwd8xRnvLVe4kzei6opn3/FCjAriqaP+rfrDdSl1kP/hLL6Y3/Y3hhGnBwD4dCkkAqs1W/Q==",
+            "dev": true
+        },
         "node_modules/@types/prettier": {
             "version": "2.3.2",
             "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.3.2.tgz",
@@ -7594,6 +7601,11 @@
                 "node": ">=8"
             }
         },
+        "node_modules/platform": {
+            "version": "1.3.6",
+            "resolved": "https://registry.npmjs.org/platform/-/platform-1.3.6.tgz",
+            "integrity": "sha512-fnWVljUchTro6RiCFvCXBbNhJc2NijN7oIQxbwsyL0buWJPG85v81ehlHI9fXrJsMNgTofEoWIQeClKpgxFLrg=="
+        },
         "node_modules/posix-character-classes": {
             "version": "0.1.1",
             "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",
@@ -10848,6 +10860,12 @@
             "integrity": "sha512-Gj7cI7z+98M282Tqmp2K5EIsoouUEzbBJhQQzDE3jSIRk6r9gsz0oUokqIUR4u1R3dMHo0pDHM7sNOHyhulypw==",
             "dev": true
         },
+        "@types/platform": {
+            "version": "1.3.4",
+            "resolved": "https://registry.npmjs.org/@types/platform/-/platform-1.3.4.tgz",
+            "integrity": "sha512-U0o4K+GNiK0PNxoDwd8xRnvLVe4kzei6opn3/FCjAriqaP+rfrDdSl1kP/hLL6Y3/Y3hhGnBwD4dCkkAqs1W/Q==",
+            "dev": true
+        },
         "@types/prettier": {
             "version": "2.3.2",
             "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.3.2.tgz",
@@ -15868,6 +15886,11 @@
                 "find-up": "^4.0.0"
             }
         },
+        "platform": {
+            "version": "1.3.6",
+            "resolved": "https://registry.npmjs.org/platform/-/platform-1.3.6.tgz",
+            "integrity": "sha512-fnWVljUchTro6RiCFvCXBbNhJc2NijN7oIQxbwsyL0buWJPG85v81ehlHI9fXrJsMNgTofEoWIQeClKpgxFLrg=="
+        },
         "posix-character-classes": {
             "version": "0.1.1",
             "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",

package.json

@@ -28,7 +28,6 @@
         "@fluencelabs/avm-runner-interface": "^0.2.0",
         "@fluencelabs/marine-js": "0.1.0",
         "async": "3.2.0",
-        "browser-or-node": "^2.0.0",
         "bs58": "4.0.1",
         "buffer": "^6.0.3",
         "cids": "0.8.1",
@@ -42,6 +41,7 @@
         "multiaddr": "^10.0.1",
         "multiformats": "^9.6.4",
         "peer-id": "=0.15.4",
+        "platform": "^1.3.6",
         "rxjs": "^7.3.0",
         "ts-pattern": "^3.3.3",
         "uuid": "8.3.0"
@@ -50,6 +50,7 @@
         "@fluencelabs/aqua": "^0.7.0-285",
         "@fluencelabs/aqua-lib": "^0.4.3",
         "@types/jest": "^26.0.22",
+        "@types/platform": "^1.3.4",
         "jest": "^26.6.3",
         "js-base64": "^3.7.2",
         "ts-jest": "^26.5.4",

src/internal/FluencePeer.ts

@@ -20,7 +20,7 @@ import { PeerIdB58 } from './commonTypes';
 import { FluenceConnection } from './FluenceConnection';
 import { Particle, ParticleExecutionStage, ParticleQueueItem } from './Particle';
 import { KeyPair } from './KeyPair';
-import { dataToString, jsonify } from './utils';
+import { throwIfNotSupported, dataToString, jsonify } from './utils';
 import { concatMap, filter, pipe, Subject, tap } from 'rxjs';
 import log from 'loglevel';
 import { builtInServices } from './builtins/common';
@@ -171,6 +171,8 @@ export class FluencePeer {
      * @param config - object specifying peer configuration
      */
     async start(config?: PeerConfig): Promise<void> {
+        throwIfNotSupported();
+
         if (config?.KeyPair) {
             this._keyPair = config!.KeyPair;
         } else {

src/internal/utils.ts

@@ -19,6 +19,7 @@ import { CallServiceData, CallServiceResult, CallServiceResultType, ResultCodes
 import { FluencePeer } from './FluencePeer';
 import { Particle, ParticleExecutionStage } from './Particle';
 import Buffer from './Buffer';
+import platform from 'platform';
 
 export const MakeServiceCall = (fn: (args: any[]) => CallServiceResultType) => {
     return (req: CallServiceData): CallServiceResult => {
@@ -144,3 +145,13 @@ export function dataToString(data: Uint8Array) {
 export function jsonify(obj) {
     return JSON.stringify(obj, null, 4);
 }
+
+export function throwIfNotSupported() {
+    if (platform.name === 'Node.js') {
+        const version = platform.version.split('.').map(Number);
+        const major = version[0];
+        if (major < 16) {
+            throw new Error('FluenceJS requires node.js version >= "16.x"; Detected ' + platform.description + ' Please update node.js to version 16 or higher.\nYou can use https://nvm.sh utility to update node.js version: "nvm install 17 && nvm use 17 && nvm alias default 17"');
+        }
+    }
+}