Webpack loader for converting Smartling JSON files into simple key-value JSON mapping.

smartling-json-loader.js

module.exports = function loader(source) {
  if (this.cacheable) this.cacheable();

  let value = typeof source === 'string' ? JSON.parse(source) : source;

  // Filter out smartling metadata.
  const metadata = value.smartling;
  if (metadata !== undefined) {
    const path = metadata.translate_paths.path.split('/')[1];
    delete value.smartling;
    Object.keys(value).forEach((key) => {
      value[key] = value[key][path];
    });
  }

  value = JSON.stringify(value)
    .replace(/\u2028/g, '\\u2028')
    .replace(/\u2029/g, '\\u2029');

  return `module.exports = ${value}`;
};

webpack.config.js

// under module.rules, include this rule.
{
  test: /\.json$/,
  use: ['./smartling-json-loader.js'],
  type: 'javascript/auto',
},