Convert Plot.ly schema to Java POJOs

plotly_schema_to_java.js

const schema = JSON.parse(require('fs').readFileSync('dist/plot-schema.json'));

generate("layout", schema.layout.layoutAttributes);
generate("scatter", schema.traces.scatter.attributes);
generate("annotations", schema.layout.layoutAttributes.annotations);
generate("shapes", schema.layout.layoutAttributes.shapes);

function generate(key, value, indent = 0) {
  if (key[0] === '_') {
    return;

  } else if (value.valType === 'enumerated') {
    if (value.description)
      console.log(' '.repeat(indent) + `/** ${value.description} */`);
    console.log(' '.repeat(indent) + `${capitalize(key)} ${key};`);
    console.log(' '.repeat(indent) + `enum ${capitalize(key)} {`);
    const values = value.values.filter(v => typeof v !== 'number').map(v => [
      ' '.repeat(indent + 2) + `@com.google.gson.annotations.SerializedName("${v}")`,
      ' '.repeat(indent + 2) + new String(v).replace(/[ -]/g, '_').replace(/^$/, '_').toUpperCase(),
    ].join('\n')
    ).join(',\n');
    console.log(values);
    console.log(' '.repeat(indent) + `}`);

  } else if (value.valType) {
    const types = {
      angle: 'Number',
      any: 'Object',
      color: 'java.awt.Color',
      colorlist: 'java.awt.Color[]',
      data_array: 'Object[]',
      flaglist: 'Object',
      info_array: 'Object[]',
    };
    const valType = types[value.valType] || capitalize(value.valType);
    if (value.description)
      console.log(' '.repeat(indent) + `/** ${value.description} */`);
    console.log(' '.repeat(indent) + `${valType} ${key};`);

  } else if (typeof value === 'object') {
    if (value.description)
      console.log(' '.repeat(indent) + `/** ${value.description} */`);
    console.log(' '.repeat(indent) + `${capitalize(key)} ${key};`);
    console.log(' '.repeat(indent) + `static class ${capitalize(key)} {`);
    Object.keys(value).forEach(k => generate(k, value[k], indent + 2));
    console.log(' '.repeat(indent) + `}`);
  }
}

function capitalize(s) {
  return s.replace(/(?:^|\s)\S/g, a => a.toUpperCase());
};