workaround for node-fetch

- microsoft/vscode#130367 (comment)
- use 'nodenext' in beta version:https://devblogs.microsoft.com/typescript/announcing-typescript-4-5-beta/

.vscode/settings.json

@@ -11,5 +11,6 @@
     "editor.formatOnSave": true,
     "markdownlint.config": {
         "MD033": false
-    }
+    },
+    "typescript.tsdk": "node_modules/typescript/lib"
 }

package.json

@@ -382,7 +382,7 @@
     "process": "^0.11.10",
     "rimraf": "^3.0.2",
     "ts-loader": "^9.2.6",
-    "typescript": "^4.4.4",
+    "typescript": "^4.6.0-dev.20211205",
     "vscode-test": "^1.4.1",
     "vscode-uri": "^3.0.2",
     "webpack": "^5.60.0",
@@ -400,4 +400,4 @@
     "email": "[email protected]"
   },
   "license": "MIT"
-}
+}

src/test/suite/download.test.ts

@@ -0,0 +1,16 @@
+import assert = require("assert");
+import { downloadFromMultiSources } from "../../utils/downloadFile";
+
+suite("test download", async function () {
+    test("test download with fetch", async function () {
+        const list = [
+            'https://cdn.jsdelivr.net/gh/MicrosoftDocs/cpp-docs@master/docs/assembler/masm/assume.md',
+            'https://raw.githubusercontent.com/MicrosoftDocs/cpp-docs/master/docs/assembler/masm/assume.md',
+            'https://gitee.com/dosasm/cpp-docs/raw/master/docs/assembler/masm/assume.md'
+        ];
+        for (const url of list) {
+            const str = await downloadFromMultiSources([url]);
+            assert.ok(str, url);
+        }
+    });
+});

src/utils/downloadFile.ts

@@ -2,7 +2,7 @@
  * API for downloading information from web
  */
 import { logger } from "./logger";
-import fetch from 'node-fetch';
+import { fetch } from "./fetch";
 
 export async function downloadFromMultiSources(urls: string[]): Promise<string | undefined> {
     for (const url of urls) {

src/utils/fetch.ts

@@ -0,0 +1,11 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export const fetch =
+    process.platform
+        ? (...args: any[]) => import(
+        /* webpackIgnore: true */'node-fetch').then((module) => {
+            console.log(module);
+            return (module.default as any)(...args);
+        }
+        )
+        : window.fetch;

tsconfig.json

@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "module": "commonjs",
+    "module": "node12",
     "target": "es2017",
     "outDir": "dist",
     "lib": [

webpack.config.js

@@ -8,6 +8,7 @@
 'use strict';
 
 const path = require('path');
+const webpack = require('webpack');
 /** @typedef {import('webpack').Configuration} WebpackConfig **/
 
 /** @type WebpackConfig */
@@ -51,8 +52,6 @@ const config = {
     }
 };
 
-const webpack = require('webpack');
-
 /** @type WebpackConfig */
 const webExtensionConfig = {
     mode: 'none', // this leaves the source code as close as possible to the original (when packaging we set this to 'production')
@@ -70,7 +69,6 @@ const webExtensionConfig = {
         mainFields: ['browser', 'module', 'main'], // look for `browser` entry point in imported node modules
         extensions: ['.ts', '.js'], // support ts-files and js-files
         alias: {
-            // 'node-fetch': './browser-fetch'
             // provides alternate implementation for node module and source files
         },
         fallback: {

yarn.lock

@@ -3284,10 +3284,10 @@ type-is@^1.6.16:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typescript@^4.4.4:
-  version "4.5.2"
-  resolved "https://registry.npmmirror.com/typescript/download/typescript-4.5.2.tgz#8ac1fba9f52256fdb06fb89e4122fa6a346c2998"
-  integrity sha512-5BlMof9H1yGt0P8/WF+wPNw6GfctgGjXp5hkblpyT+8rkASSmkUKMXrxR0Xg8ThVCi/JnHQiKXeBaEwCeQwMFw==
+typescript@^4.6.0-dev.20211205:
+  version "4.6.0-dev.20211205"
+  resolved "https://registry.npmmirror.com/typescript/download/typescript-4.6.0-dev.20211205.tgz#38a5a152e432442faa1f9593220e3b8abaf1726a"
+  integrity sha512-OThM062cY8geGPmZFgih9QNtslG04mUgJYFNlGAkqZKBGOOS84gEdV5omwIi09q7viDSabIlyFd45YiIhUjaLA==
 
 unbox-primitive@^1.0.1:
   version "1.0.1"