pokemon-showdown-client/test/check-filenames

#!/usr/bin/env node

const fs = require('fs');
const path = require('path');
const Dex = require('../data/pokemon-showdown/.sim-dist/dex').Dex;

const dir = path.resolve(process.argv[2]);
const ext = process.argv[3];

process.chdir(`${__dirname}/..`);

const files = fs.readdirSync(dir);

for (file of files) {
    if (file === '.DS_Store') {
        // silently remove cruft
        fs.unlinkSync(`${dir}/${file}`);
        continue;
    }
    if (!file.endsWith(ext)) {
        console.log(`${file}: bad extension`);
        continue;
    }
    const speciesid = file.slice(0, -ext.length);
    const pokemon = Dex.getTemplate(speciesid);
    if (!pokemon.exists) {
        console.log(`${file}: not a pokemon`);
    } else if (pokemon.spriteid !== speciesid) {
        console.log(`${file}: spriteid should be ${pokemon.spriteid}`);
    }
}