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TypeError: Cannot read property 'prototype' of undefined #295

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Hertox82 opened this issue Dec 15, 2017 · 3 comments
Open

TypeError: Cannot read property 'prototype' of undefined #295

Hertox82 opened this issue Dec 15, 2017 · 3 comments

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@Hertox82
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Hi,

this is my enviroment:

  • Node : v6.11.3
  • macOS: 10.13.1

this is my package.json:

{
"devDependencies": {
    "@types/archiver": "^2.0.1",
    "@types/npm": "^2.0.29",
    "archiver": "^2.1.0",
    "ts-loader": "^3.2.0",
    "typescript": "^2.6.2",
    "webpack": "^3.10.0"
  }
}

this my tsconfig.json:

{
 "compilerOptions": {
      "target": "es5",
      "module": "commonjs",
      "outDir": "dist",
      "moduleResolution": "node",
      "emitDecoratorMetadata": true,
      "experimentalDecorators": true,
      "sourceMap": true,
      "declaration": true,
      "baseUrl": "src",
      "typeRoots": [
          "node_modules/@types"
      ],
      "lib":[
          "es2017",
          "dom"
      ]
    },
}

and finally this is my code:

import * as path from 'path'; 
import * as fs from 'fs';
import * as archiver from 'archiver';
const folderPath = path.resolve(__dirname+'/../tozip/');

const output = fs.createWriteStream('my-tarball.tar');
const arch = archiver('tar');
arch.pipe(output);
arch.directory(folderPath,folderPath);
arch.finalize();

after build, and run node... this is my output:

ReadStream.prototype = Object.create(fs$ReadStream.prototype)
                                                    ^
TypeError: Cannot read property 'prototype' of undefined

Anyone have any idea for this behavior?

thank you
@Hertox82
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OK, i'm solved this issue adding this into my webpack.config.js file:

module.exports = {
   /* other options*/
    target: 'node',
    node: {
        fs: 'empty'
    }
/* ... */
}

@justinlevi
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I'm running into the same issue. Is there a way to handle this without overriding the webpack.config.js?

@ctalkington
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so this is a webpack issue with node fs then?

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3 participants
@ctalkington @justinlevi @Hertox82