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I just updated Visual Studio 2017 from RC to final. I didn’t get the following error but recently I get this error. In building the project, I get the following error and it prevents the web project to start:

Severity    Code    Description Project File    Line    Suppression State
Error   eqeqeq  (ESLint) Expected '===' and instead saw '=='.   VistaBest.Shop.Web  C:\***\Request.js   21

How can I disable JavaScript building error in Visual Studio 2017?

I just updated Visual Studio 2017 from RC to final. I didn’t get the following error but recently I get this error. In building the project, I get the following error and it prevents the web project to start:

Severity    Code    Description Project File    Line    Suppression State
Error   eqeqeq  (ESLint) Expected '===' and instead saw '=='.   VistaBest.Shop.Web  C:\***\Request.js   21

How can I disable JavaScript building error in Visual Studio 2017?

• javascript
• visual-studio
• visual-studio-2017
• eslint

Share Improve this question Follow edited Apr 7, 2019 at 17:48 Sebastian Simon 19.5k88 gold badges6060 silver badges8484 bronze badges asked Mar 10, 2017 at 17:55 Mohammad DayyanMohammad Dayyan 22.4k4444 gold badges170170 silver badges241241 bronze badges 7

• 28 It's not my code problem, I want to use '==' instead of '===' in my JavaScript code – Mohammad Dayyan Commented Mar 10, 2017 at 17:58
• 9 JavaScript error not should prevent building MVC project in Visual Studio – Mohammad Dayyan Commented Mar 10, 2017 at 17:59
• Either share your code, or disable the javascript error message - read this: stackoverflow.com/questions/2125455/… – Koby Douek Commented Mar 10, 2017 at 18:01
• 14 @Koby Douek: It's not my code problem, I don't want to build error for JavaScript file in Visual Studio – Mohammad Dayyan Commented Mar 10, 2017 at 18:59
• 3 I would particularly be interested in disabling this specific error. == is as valid a comparison operator as '==='. For me it doesn't prevent me from building, it just clutters up the error list when I have another error in my server code. – xr280xr Commented Sep 27, 2017 at 21:09

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7 Answers 7

Sorted by: Reset to default 297

I think, find the solution:

1. Open Tools > Options
2. Navigate to Text Editor > JavaScript/TypeScript > EsLint (in VS2017 15.8 it is Linting not EsLint)
3. Set Enable ESLint to False

Visual Studio >= 15.8.5

In Visual Studio 2017 (v 15.8.0):

Option 1: Options > JS Errors

1. Open Tools > Options
2. Navigate to Text Editor > JavaScript/TypeScript > Code Validation
3. Set Enable JavaScript errors to false
4. or, set Enable JavaScript errors to true and Show errors as warnings to true

I needed to restart Visual Studio for this to take effect.

Option 2: Options > Linting

There is another option below which will let you edit your global linting settings:

Option 3: .eslint file

You can also create a file named .eslintrc in the root of your project.

Option 4: ESLint commands in-file

See @user9153924's answer

---

Resources

• ESLint file syntax
• ESLint Rules

I tried Mohammad`s solution but it didn't work. I managed to work doing the following:

1. Righ click on your web .csproj file
2. On the first <PropertyGroup> add the following entry: <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>

Add /*eslint eqeqeq: ["error", "smart"]*/ to the first line of your Javascript code to remove the errors. https://eslint.org/docs/rules/eqeqeq

Following Mohammad's solution will turn off ESLint for syntax checking. This works in VS2015 and should work in later versions.

For Visual Studio 2019.

1. Open Tools > Options
2. Navigate to Text Editor > JavaScript/TypeScript
3. => Linting > General.

Then unchecked ESLint check box. Please The bellow Image for reference.

I've just had to change the "eqeqeq" rule behaviour to include "smart":

Edit the .eslintrc file found in your user root folder mentioned in other answers already.

The change is made to the rules section by adding the smart rule

    "rules": {

    "eqeqeq": [2, "smart"],

Copied from the web article: This option enforces the use of === and !== except for these cases:

1. Comparing two literal values
2. Evaluating the value of typeof
3. Comparing against null

I found the specifics at: https://eslint.org/docs/2.0.0/rules/eqeqeq

I tried Mohammad's solution but with no luck, I followed Rafeel answer and instead of adding his suggested code sample I removed below code from web .csproj and finally I was able to build and run my project. There were two places where you should remove that in the same file. Still, I don't have any clue how the removed code will affect my solution.

<Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\TypeScript\Microsoft.TypeScript.Default.props" Condition="Exists('$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\TypeScript\Microsoft.TypeScript.Default.props')" />

Hope this will also help someone to save the day..!!!

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