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jshint

Static analysis tool for JavaScript

2.13.6
latest
100

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100

Vulnerability

100

Quality

81

Maintenance

100

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Version published
Weekly downloads
657K
-14.71%
Maintainers
3
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Created
Issues
457

What is jshint?

JSHint is a static code analysis tool used in software development for checking if JavaScript source code complies with coding rules. It helps developers identify potential errors and enforce coding standards.

What are jshint's main functionalities?

Basic Linting

This feature allows you to perform basic linting on a piece of JavaScript code. The code sample demonstrates how to use JSHint to check a simple JavaScript snippet for errors.

const jshint = require('jshint').JSHINT;
const code = 'var a = 1;';
const options = { esversion: 6 };
jshint(code, options);
console.log(jshint.errors);

Custom Configuration

JSHint allows you to customize the linting process with various options. This example shows how to enable the 'undef' option to check for the use of undefined variables.

const jshint = require('jshint').JSHINT;
const code = 'var a = 1;';
const options = { esversion: 6, undef: true };
jshint(code, options);
console.log(jshint.errors);

Using JSHint with Configuration File

You can use a configuration file (e.g., .jshintrc) to define your linting rules. This example demonstrates how to read a JavaScript file and a JSHint configuration file, then lint the code using the specified rules.

const fs = require('fs');
const jshint = require('jshint').JSHINT;
const code = fs.readFileSync('path/to/your/file.js', 'utf8');
const config = JSON.parse(fs.readFileSync('.jshintrc', 'utf8'));
jshint(code, config);
console.log(jshint.errors);

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Package last updated on 11 Nov 2022

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