Jslint-cli NPM

JSLint command-line interface

This package provides a command-line interface for JSLint.

The command jslint runs JSLint on each file given on the command line and outputs the list of warnings produced, if any. The format of the warnings is compatible with JSHint. Consequently, existing problem matchers for JSHint will work without changes.

This package differs from existing offerings in that

its major version number is equal to the JSLint »edition«
it is automatically updated when a new edition of JSLint is released
it contains unaltered JSLint source code
the code is itself JSLint-clean
it prints property directives automatically when they are incomplete
the output is compatible to JSHint
it can be used as a module inside another application (both a CommonJS module and an ECMAScript 6 module are provided)
it uses Douglas Crockford's parseq for parallelism
there is no support for a configuration file

Versioning

The major version number of this package indicates the JSLint »edition« it contains. Multiple updates to JSLint on a single day are represented by increasing minor version numbers. The patch version indicates updates to this package itself.

Synopsis

jslint [-hpv][-g <global>][-o <option>[=<value>]] [files...]

Run JSLint on the given files and print the warnings, if any.

Options

Exit status

jslint returns 0 if no warnings were reported, 1 if there was at least one warning or 2 for other errors. In the event of incorrect usage, the exit status is EX_USAGE (64).

Example

$ jslint src/js/main.js
/src/jslint-cli/src/js/main.js: line 75, col 1, This function needs a "use strict" pragma.
/src/jslint-cli/src/js/main.js: line 101, col 1, Expected 'while' to be in a function.
/src/jslint-cli/src/js/main.js: 2 warnings.

API usage

This module can also be used from Node.js code. It is installed using

$ npm install jslint-cli

The module exports a single function which expects an array of command-line arguments as described above. See this module if you'd like to use JSLint itself as a Node.js module.

const jslintCli = require("jslint-cli");

jslintCli([
    "-o",
    "browser",
    "package.json",
    "some/file.js"
]);

Updating

A shell script is provided for building new packages when this project or the upstream @jkuebart/jslint is updated. It can be run using

npm run editions

This creates branches and tags based on the »edition« of the upstream project. Packages still need to be generated and published manually.

The local branches and tags can be viewed using

npm run show-branches
npm run show-tags

This can be used to automate some tasks, for example:

npm run show-branches --silent |
while read b
do
    git push --set-upstream origin "${b#refs/heads/}:${b#refs/heads/}"
done

npm run show-tags --silent |
while read t
do
    git checkout "${t#refs/tags/}"
    npm install
    npm publish --access public
done

To easily remove automatically created local branches and tags, use

npm run reset

There is also a shell script that determines whether the upstream project has been updated.

npm run show-branches --silent |
npm run uptodate --silent

cli code-quality javascript jslint lint static-analysis

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