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index.js
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index.js
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#!/usr/bin/env node
'use strict';
const recursive = require('recursive-readdir-sync');
const parseCssUrls = require('css-url-parser');
const fs = require('fs');
const path = require('path');
const isurl = require('is-url');
const {program} = require('commander');
/**
* Check a folder.
* @return {number}
*/
function checkFolder() {
let errors = 0;
const files = recursive(options.folder);
files.forEach(function(file) {
const ext = path.extname(file);
if (ext === '.css') {
const filePath = path.dirname(file) + path.sep;
const filecontent = fs.readFileSync(file, {encoding: 'utf-8'});
const cssUrls = parseCssUrls(filecontent);
cssUrls.forEach(function(cssUrl) {
if (!isurl(cssUrl)) {
const cssReal = cssUrl.replace(/(\?|#).*$/, '');
let fullPath = filePath + cssReal;
if (cssReal.charAt(0) === '/') {
fullPath = options.folder + cssReal;
}
if (!fs.existsSync(fullPath)) {
console.log('Error found in: ' + file);
console.log('Full path not found: ' + fullPath);
console.log('Path in CSS file: ' + cssUrl);
if (cssUrl !== cssReal) {
console.log('Original path in CSS file: ' + cssReal);
}
console.log();
errors++;
} else {
if (options.verbose) {
console.log('OK: ' + fullPath);
}
}
}
});
}
});
console.log('Number of errors: ' + errors);
return errors;
}
program
.version(require('./package.json').version)
.description('Checks if all images in CSS files exists')
.option('-f, --folder <folder>', 'Folder with CSS files to check')
.option('-v, --verbose', 'Add more output')
.parse(process.argv);
const options = program.opts();
if (options.folder) {
if (fs.existsSync(options.folder)) {
const stats = fs.statSync(options.folder);
if (stats.isDirectory()) {
const err = checkFolder();
if (err > 0) {
process.exitCode = 1;
} else {
process.exitCode = 0;
}
} else {
console.log('Oops! Folder is not a real folder: ' + options.folder);
process.exitCode = 4;
}
} else {
console.log('Oops! Folder does not exists: ' + options.folder);
process.exitCode = 3;
}
} else {
console.log('Oops! Please specify a folder');
process.exitCode = 2;
}