leveldown ：没有找到 platform=linux arch=x64 runtime=electron abi=82 uv=1 libc=glibc node=12.16.3 electron=10.2.0 webpack=true 的原生构建

问题描述

在 Electron-Typescript 应用中，我遇到了这个问题：

(node:26402) UnhandledPromiseRejectionWarning: Error: No native build was 
found for platform=linux arch=x64 runtime=electron abi=82 uv=1 libc=glibc 
node=12.16.3 electron=10.2.0 webpack=true
    loaded from: /home/marco/webMatters/electronMatters/IpfsPlaying
/.webpack/main

    at Function.module.exports../node_modules/node-gyp-
build/index.js.load.path (/home/marco/webMatters/electronMatters/IpfsPlaying
/.webpack/main/index.js:193915:9)
    at load (/home/marco/webMatters/electronMatters/IpfsPlaying/.webpack
/main/index.js:193877:30)
    at Object../node_modules/leveldown/binding.js (/home/marco/webMatters
/electronMatters/IpfsPlaying/.webpack/main/index.js:130044:101)
    at __webpack_require__ (/home/marco/webMatters/electronMatters/IpfsPlaying
/.webpack/main/index.js:21:30)
    at Object../node_modules/leveldown/leveldown.js (/home/marco/webMatters
/electronMatters/IpfsPlaying/.webpack/main/index.js:130158:17)
at __webpack_require__ (/home/marco/webMatters/electronMatters/IpfsPlaying
/.webpack/main/index.js:21:30)
    at Object../node_modules/level/level.js (/home/marco/webMatters
/electronMatters/IpfsPlaying/.webpack/main/index.js:130032:111)
    at __webpack_require__ (/home/marco/webMatters/electronMatters/IpfsPlaying
/.webpack/main/index.js:21:30)
    at new LevelDatastore (/home/marco/webMatters/electronMatters/IpfsPlaying
/.webpack/main/index.js:62350:23)
    at Object.createBackend [as create] (/home/marco/webMatters
/electronMatters/IpfsPlaying/.webpack/main/index.js:111452:10)
(node:26402) UnhandledPromiseRejectionWarning: Unhandled promise rejection.      
This error originated either by throwing inside of an async function without a 
catch block,or by rejecting a promise which was not handled with .catch(). 
To terminate the node process on unhandled promise rejection,use the CLI flag
 `--unhandled-rejections=strict` (see https://nodejs.org
/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:26402) [DEP0018] DeprecationWarning: Unhandled promise rejections are 
deprecated. In the future,promise rejections that are not handled will 
terminate the Node.js process with a non-zero exit code.

在 main.ts 中：

import Ipfs from 'ipfs';
import IpfsHttpClient from 'ipfs-http-client';

const ops = async () => {
  const node = await Ipfs.create({ repo: String(Math.random() + Date.Now()) });
  console.log('Ipfs node is ready');
}

寻找包leveldown，我发现它被ipfs使用了：

(base) marco@pc01:~/webMatters/electronMatters/IpfsPlaying$ npm ls leveldown
IpfsPlaying@2.0.2 /home/marco/webMatters/electronMatters/IpfsPlaying
└─┬ ipfs@0.54.1
  └─┬ ipfs-repo@8.0.0
    └─┬ datastore-level@4.0.0
      └─┬ level@6.0.1
        └── leveldown@5.6.0 

我搜索了一下，发现别人也有同样的问题，是这样解决的：https://github.com/electron/electron/issues/20075#issuecomment-645750731

我已经把

  externals: {
    "pouchdb": "require('pouchdb')"
  }

在 webpack.main.js 中：

module.exports = {
  /**
   * This is the main entry point for your application,it's the first file
   * that runs in the main process.
   */
  entry: ['./src/main.ts'],// Put your normal webpack config below here
  module: {
    rules: require('./webpack.rules'),},resolve: {
    extensions: ['.js','.ts','.jsx','.tsx','.css','.json'],alias: require('./webpack.aliases'),// https://github.com/electron/electron/issues/9920
  target: 'electron-main',externals: {
    "pouchdb": "require('pouchdb')"
  }
};

在 webpack.plugin.js 中：

// eslint-disable-next-line @typescript-eslint/no-var-requires
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');

const webpack = require('webpack');

module.exports = [
  new ForkTsCheckerWebpackPlugin(),new webpack.ExternalsPlugin('commonjs',[
    'electron'
  ]),new webpack.ExternalsPlugin("commonjs",[
    'leveldown'
  ])
];

但没有解决问题。

这是 package.json：

{
  "name": "IpfsPlaying","version": "2.0.2","description": "IpfsPlaying","main": ".webpack/main","scripts": {
    "start": "cross-env NODE_ENV=development electron-forge start","package": "electron-forge package","make": "electron-forge make","publish": "electron-forge publish","lint": "eslint --ext .ts ."
  },"repository": {
    "type": "git","url": "https://github.com/raphael10-collab/IpfsPlaying"
  },"license": "MIT","config": {
    "forge": "./tools/forge/forge.config.js"
  },"devDependencies": {
    "@electron-forge/cli": "^6.0.0-beta.54","@electron-forge/maker-deb": "6.0.0-beta.53","@electron-forge/maker-rpm": "6.0.0-beta.53","@electron-forge/maker-squirrel": "^6.0.0-beta.54","@electron-forge/maker-zip": "6.0.0-beta.53","@electron-forge/plugin-webpack": "6.0.0-beta.53","@types/react": "^16.9.49","@types/react-dom": "^16.9.8","@types/webpack-env": "^1.15.2","@typescript-eslint/eslint-plugin": "^4.1.1","@typescript-eslint/parser": "^4.1.1","copy-webpack-plugin": "6","cross-env": "^7.0.2","electron": "^10.1.2","eslint": "^7.9.0","eslint-import-resolver-alias": "^1.1.2","eslint-plugin-import": "^2.20.0","eslint-plugin-react": "^7.20.6","fork-ts-checker-webpack-plugin": "^5.2.0","less": "^3.12.2","node-loader": "^1.0.1","react-hot-loader": "^4.12.21","ts-loader": "^8.0.3","typescript": "^4.0.2","webpack": "4"
  },"dependencies": {
    "@hot-loader/react-dom": "^16.13.0","electron-squirrel-startup": "^1.0.0","ipfs": "^0.54.1","ipfs-http-client": "^49.0.1","ipfs-utils": "^6.0.0","react": "^16.13.1","react-dom": "^16.13.1","react-viewer": "^3.2.2","react-window": "^1.8.6"
  }
}

• 节点：v14.5.0
• 操作系统：Ubuntu 18.04.4 桌面

如何解决？

解决方法

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