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Getting Expected an assignment or function call and instead saw an expression no-unused-expressions, when import a file in React

1

I have a file data.js that only contains an array of objects and nothing else, just like the following

["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"]

The data.js file is located in same directory where my Main component is located. And I am importing it like the following:

import Data from "./data";

But I always get the following error:

./src/components/data.js Line 1: Expected an assignment or function
call and instead saw an expression no-unused-expressions

I think the problem is in the data.js file itself. because it is not a function nor a class. But I am not allowed to do any changes in the file.

javascript reactjs

share|improve this question

asked Mar 6 at 20:58

SamSam

153

add a comment | 

1

I have a file data.js that only contains an array of objects and nothing else, just like the following

["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"]

The data.js file is located in same directory where my Main component is located. And I am importing it like the following:

import Data from "./data";

But I always get the following error:

./src/components/data.js Line 1: Expected an assignment or function
call and instead saw an expression no-unused-expressions

I think the problem is in the data.js file itself. because it is not a function nor a class. But I am not allowed to do any changes in the file.

javascript reactjs

share|improve this question

asked Mar 6 at 20:58

SamSam

153

add a comment | 

I have a file data.js that only contains an array of objects and nothing else, just like the following

["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"]

The data.js file is located in same directory where my Main component is located. And I am importing it like the following:

import Data from "./data";

But I always get the following error:

./src/components/data.js Line 1: Expected an assignment or function
call and instead saw an expression no-unused-expressions

I think the problem is in the data.js file itself. because it is not a function nor a class. But I am not allowed to do any changes in the file.

javascript reactjs

share|improve this question

asked Mar 6 at 20:58

SamSam

153

["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"]

import Data from "./data";

share|improve this question

asked Mar 6 at 20:58

SamSam

153

share|improve this question

asked Mar 6 at 20:58

SamSam

153

asked Mar 6 at 20:58

SamSam

153

asked Mar 6 at 20:58

SamSam

153

1 Answer
1

active

oldest

votes

0

Your data.js is not actually exporting anything at the moment, so the linter thinks that you've declared an array in that file which subsequently doesn't get used anywhere. Try exporting the array instead, so that it can be imported without linting problems:

export default ["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"];

If you don't want the file to contain Javascript syntax, then don't use the .js file extension, and parse the JSON after importing to transform into an array:

import Data from "./data";
const arr = JSON.parse(Data);

https://codesandbox.io/s/4x3756pqk0

share|improve this answer

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you so much, it works now.
  
  – Sam
  Mar 6 at 21:17
  

  
  
  
  

add a comment | 

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0

Your data.js is not actually exporting anything at the moment, so the linter thinks that you've declared an array in that file which subsequently doesn't get used anywhere. Try exporting the array instead, so that it can be imported without linting problems:

export default ["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"];

If you don't want the file to contain Javascript syntax, then don't use the .js file extension, and parse the JSON after importing to transform into an array:

import Data from "./data";
const arr = JSON.parse(Data);

https://codesandbox.io/s/4x3756pqk0

share|improve this answer

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you so much, it works now.
  
  – Sam
  Mar 6 at 21:17
  

  
  
  
  

add a comment | 

0

Your data.js is not actually exporting anything at the moment, so the linter thinks that you've declared an array in that file which subsequently doesn't get used anywhere. Try exporting the array instead, so that it can be imported without linting problems:

export default ["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"];

If you don't want the file to contain Javascript syntax, then don't use the .js file extension, and parse the JSON after importing to transform into an array:

import Data from "./data";
const arr = JSON.parse(Data);

https://codesandbox.io/s/4x3756pqk0

share|improve this answer

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you so much, it works now.
  
  – Sam
  Mar 6 at 21:17
  

  
  
  
  

add a comment | 

Your data.js is not actually exporting anything at the moment, so the linter thinks that you've declared an array in that file which subsequently doesn't get used anywhere. Try exporting the array instead, so that it can be imported without linting problems:

export default ["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"];

If you don't want the file to contain Javascript syntax, then don't use the .js file extension, and parse the JSON after importing to transform into an array:

import Data from "./data";
const arr = JSON.parse(Data);

https://codesandbox.io/s/4x3756pqk0

share|improve this answer

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484

export default ["id":"1122","name":"foo","price":"2.000", "id":"1133","name":"bar","price":"7.000"];

import Data from "./data";
const arr = JSON.parse(Data);

share|improve this answer

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484

answered Mar 6 at 21:04

CertainPerformanceCertainPerformance

93.5k165484