sanityCheck.js

#!/usr/bin/env node

const fs = require('fs');
const path = require('path');

// perform a JS escape on the given object or string
function escaped(o) {
  return JSON.stringify(o.toString())
}

let baseDir = '.';
let ignore = ['all.json', 'package.json', 'package-lock.json']

fs.readdir(baseDir, function(err, items) {
  for (let item of items) {
    if (!ignore.includes(item) && item.endsWith('.json')) {
      let pathname = path.join(baseDir, item)
      fs.readFile(pathname, function(err, data) {
        console.log()
        try {
          let parsed = JSON.parse(data.toString());
          if (!parsed.id.match(/^[a-z0-9-]*$/)) {
            console.error(pathname + ': id contains non-alphanumeric characters');
          } else {
            console.log(pathname + ': OK')
            for (var key in parsed) {
              console.log('\t' + key + '\t' + parsed[key]);
            }
          }
        } catch (error) {
          console.error(pathname + ': ' + escaped(error))
        }
      })
    }
  }

  fs.readFile(path.join(baseDir, 'all.json'), function(err, data) {
    let parsed = JSON.parse(data.toString());
    for (let id of parsed) {
      if (!items.includes(id + '.json')) {
        console.error('all.json mentions ' + escaped(id) + ' but there is no JSON file with that name')
      }
    }
  });

});