pebblebed/src/utility/deserializeJsonProperties.ts

Simplified interactions with Google Datastore for NodeJS

import { SchemaDefinition } from "..";
import { errorNoThrow, throwError } from "../Messaging";

export default function deserializeJsonProperties(
  respArray: any[],
  schema: SchemaDefinition,
) {
  const reviveProperties: string[] = [];

  for (const property in schema) {
    if (schema.hasOwnProperty(property)) {
      if (schema[property].type === "serializedJson") {
        reviveProperties.push(property);
      }
    }
  }

  if (reviveProperties.length > 0) {
    for (const entity of respArray) {
      for (const property of reviveProperties) {
        if (entity[property] != null) {
          try {
            if (schema[property].reviver != null) {
              entity[property] = JSON.parse(entity[property], schema[property].reviver);
            } else {
              entity[property] = JSON.parse(entity[property]);
            }
          } catch (e) {
            if (typeof entity[property] === "string") {
              errorNoThrow(`Trying to deserialize entity property [${property}] with a JSON string type has failed. The string could me malformed JSON and cannot convert.\n${e.message}`);
              console.error(e);
            } else {
              errorNoThrow(`Trying to deserialize entity property [${property}] with a JSON string type has failed. It appears to not be a string at all: typeof = ${typeof entity[property]}`);
              console.error(e);
            }
          }
        }
      }
    }
  }
}