index.js

#!/usr/bin/env node

const meta = require('./package.json');

// Dependencies
const debug = require('gulp-debug');
const gulp = require('gulp');
const jsonLint = require('@prantlf/gulp-jsonlint');
const process = require('process');
const program = require('commander');
const tsLint = require('gulp-tslint');
const xmlValidator = require('gulp-xml-validator');

program
  .version(meta.version)
  .description('Lints common file-types used in VSCode extensions')
  .arguments('[directory]')
  .usage('[directory]')
  .parse(process.argv);

// Gulp options
const options = {
  allowEmpty: true,
  cwd: program.args && program.args.length ? program.args[0] : process.cwd()
};

const src = {
  json: [
    'package.json',
    'snippets/**/*.json',
    'tsconfig.json',
    'tslint.json',
    '!bower_components/**/*',
    '!node_modules/**/*'
  ],
  ts: [
    'src/**/*.ts',
    '!bower_components/**/*',
    '!node_modules/**/*'
  ],
  xml: [
    '**/*.svg',
    '**/*.tmLanguage',
    '**/*.tmTheme',
    '!bower_components/**/*',
    '!node_modules/**/*'
  ],
};

// Lint JSON
gulp.src(src.json, options)
  .pipe(debug({title: 'Lint JSON:'}))
  .pipe(jsonLint({
    ignoreComments: true,
  }))
  .pipe(jsonLint.failOnError());

// Lint TypeScript
gulp.src(src.ts, options)
  .pipe(debug({title: 'Lint TypeScript:'}))
  .pipe(tsLint({
    formatter: 'prose'
  }))
  .pipe(tsLint.report());

// Validate XML
gulp.src(src.xml, options)
  .pipe(debug({title: 'Lint XML:'}))
  .pipe(xmlValidator());