@discoveryjs/discovery/lib/core/encodings/utils.js

Frontend framework for rapid data (JSON) analysis, shareable serverless reports and dashboards

export function validateEncodingConfig(config) {
  if (!config || typeof config !== "object") {
    return "value is not an object";
  }
  const { name, test, decode } = config;
  if (typeof name !== "string") {
    return "missed name";
  }
  if (typeof test !== "function") {
    return "missed test function";
  }
  if (typeof decode !== "function") {
    return "missed decode function";
  }
  return false;
}
export function normalizeEncodingConfig(config) {
  const error = validateEncodingConfig(config);
  if (error) {
    throw new Error(`Bad encoding config${config?.name ? ` "${config.name}"` : ""}: ${error}`);
  }
  const { name, test, streaming, decode } = config;
  return Object.freeze(
    streaming ? {
      name: name || "unknown",
      test,
      streaming: true,
      decode
    } : {
      name: name || "unknown",
      test,
      streaming: false,
      decode
    }
  );
}
export function normalizeEncodings(encodings) {
  if (!encodings) {
    return [];
  }
  if (!Array.isArray(encodings)) {
    throw new Error("Encodings must be an array");
  }
  return encodings.map(normalizeEncodingConfig);
}