Linting to detect unused exported variables












0















I'm trying to figure out how to detect when a exported variable (const, function, ...) is not used and therefore could be deleted. I have a React App with ESLint configured.



In the following example, MAGIC_NUMBER is exported and used in file2.js but doMagic is never imported or used in any other file.



file1.js



export const MAGIC_NUMBER = 7;


file2.js



import { MAGIC_NUMBER } from "./file1.js"

export function doMagic() {
return MAGIC_NUMBER + 1;
}


I would like to know if there is any way to detect that doMagic is unused.



Right now, I'm using ESLint with the the default rule :



"no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }]


It detects unused variables inside the same file, but not across multiple files.



Thank you very much!










share|improve this question



























    0















    I'm trying to figure out how to detect when a exported variable (const, function, ...) is not used and therefore could be deleted. I have a React App with ESLint configured.



    In the following example, MAGIC_NUMBER is exported and used in file2.js but doMagic is never imported or used in any other file.



    file1.js



    export const MAGIC_NUMBER = 7;


    file2.js



    import { MAGIC_NUMBER } from "./file1.js"

    export function doMagic() {
    return MAGIC_NUMBER + 1;
    }


    I would like to know if there is any way to detect that doMagic is unused.



    Right now, I'm using ESLint with the the default rule :



    "no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }]


    It detects unused variables inside the same file, but not across multiple files.



    Thank you very much!










    share|improve this question

























      0












      0








      0








      I'm trying to figure out how to detect when a exported variable (const, function, ...) is not used and therefore could be deleted. I have a React App with ESLint configured.



      In the following example, MAGIC_NUMBER is exported and used in file2.js but doMagic is never imported or used in any other file.



      file1.js



      export const MAGIC_NUMBER = 7;


      file2.js



      import { MAGIC_NUMBER } from "./file1.js"

      export function doMagic() {
      return MAGIC_NUMBER + 1;
      }


      I would like to know if there is any way to detect that doMagic is unused.



      Right now, I'm using ESLint with the the default rule :



      "no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }]


      It detects unused variables inside the same file, but not across multiple files.



      Thank you very much!










      share|improve this question














      I'm trying to figure out how to detect when a exported variable (const, function, ...) is not used and therefore could be deleted. I have a React App with ESLint configured.



      In the following example, MAGIC_NUMBER is exported and used in file2.js but doMagic is never imported or used in any other file.



      file1.js



      export const MAGIC_NUMBER = 7;


      file2.js



      import { MAGIC_NUMBER } from "./file1.js"

      export function doMagic() {
      return MAGIC_NUMBER + 1;
      }


      I would like to know if there is any way to detect that doMagic is unused.



      Right now, I'm using ESLint with the the default rule :



      "no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }]


      It detects unused variables inside the same file, but not across multiple files.



      Thank you very much!







      eslint eslintrc






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 20 '18 at 16:49









      EverydayLearnerEverydayLearner

      678




      678
























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