react-native-firebase-for-netmera/dist/modules/firestore/utils/index.js

.

import FieldPath from '../FieldPath';
import { isObject, isString } from '../../../utils';

const buildFieldPathData = (segments, value) => {
  if (segments.length === 1) {
    return {
      [segments[0]]: value
    };
  }

  return {
    [segments[0]]: buildFieldPathData(segments.slice(1), value)
  };
}; // eslint-disable-next-line import/prefer-default-export


export const mergeFieldPathData = (data, segments, value) => {
  if (segments.length === 1) {
    return { ...data,
      [segments[0]]: value
    };
  }

  if (data[segments[0]]) {
    return { ...data,
      [segments[0]]: mergeFieldPathData(data[segments[0]], segments.slice(1), value)
    };
  }

  return { ...data,
    [segments[0]]: buildFieldPathData(segments.slice(1), value)
  };
};
export const parseUpdateArgs = (args, methodName) => {
  let data = {};

  if (args.length === 1) {
    if (!isObject(args[0])) {
      throw new Error(`${methodName} failed: If using a single update argument, it must be an object.`);
    }

    [data] = args;
  } else if (args.length % 2 === 1) {
    throw new Error(`${methodName} failed: The update arguments must be either a single object argument, or equal numbers of key/value pairs.`);
  } else {
    for (let i = 0; i < args.length; i += 2) {
      const key = args[i];
      const value = args[i + 1];

      if (isString(key)) {
        data[key] = value;
      } else if (key instanceof FieldPath) {
        data = mergeFieldPathData(data, key._segments, value);
      } else {
        throw new Error(`${methodName} failed: Argument at index ${i} must be a string or FieldPath`);
      }
    }
  }

  return data;
};