Function normalizeServerConfig

scripts/lsp-definition-utils.mjs:134–245

(serverName, serverConfig, pluginLabel)

}

function normalizeServerConfig(serverName, serverConfig, pluginLabel) {
  const context = `${pluginLabel}.${serverName}`;
  const errors = [];

  if (!isPlainObject(serverConfig)) {
    return {
      normalized: null,
      errors: [`${context} must be an object`],
    };
  }

  for (const field of Object.keys(serverConfig)) {
    if (LEGACY_LSP_FIELD_SET.has(field)) {
      errors.push(`${context} uses legacy field "${field}"`);
    }

    if (!ALLOWED_LSP_FIELD_SET.has(field)) {
      errors.push(`${context} uses unsupported field "${field}"`);
    }
  }

  const normalized = {};
  for (const key of ALLOWED_LSP_FIELDS) {
    if (!Object.hasOwn(serverConfig, key)) {
      continue;
    }

    const value = serverConfig[key];
    if (key === "command" || key === "transport" || key === "workspaceFolder") {
      if (typeof value !== "string") {
        errors.push(`${context}.${key} must be a string`);
        continue;
      }
      normalized[key] = value;
      continue;
    }

    if (key === "args") {
      const normalizedValue = normalizeStringArray(value, `${context}.${key}`, errors);
      if (normalizedValue) {
        normalized[key] = normalizedValue;
      }
      continue;
    }

    if (key === "extensionToLanguage") {
      const normalizedValue = normalizeExtensionToLanguage(
        value,
        `${context}.${key}`,
        errors,
      );
      if (normalizedValue) {
        normalized[key] = normalizedValue;
      }
      continue;
    }

    if (key === "env") {