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@MadRabbit

MadRabbit/unused.js

Created Jan 23, 2018
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What would you like to do?
Finds unused react components in a project
const { execSync } = require('child_process');
const directory = 'src';
const findOut = execSync('find -L src').toString();
const filenames = findOut.trim().split('\n')
.filter(name => name.endsWith('.js'))
.map(name => name.replace('.js', '').replace('src/', '').replace(/\/index$/, ''));
console.log('Found', filenames.length, 'files in', directory);
const missing = [];
for (const name of filenames) {
try {
execSync(`grep -Ril "'${name}'" ${directory}`);
} catch (e) {
try {
const localName = `/${name.split('/').pop()}`;
execSync(`grep -Ril "${localName}';" ${directory}`);
} catch (e) {
missing.push(name);
console.log('Cant find anything that uses', `'${name}'`);
}
}
}
console.log('total missing: ', missing.length);
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