@react-native-async-storage/async-storage/lib/commonjs/helpers.js

Asynchronous, persistent, key-value storage system for React Native.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.checkValidArgs = checkValidArgs;
exports.checkValidInput = checkValidInput;
exports.convertError = convertError;
exports.convertErrors = convertErrors;
function checkValidArgs(keyValuePairs, callback) {
  if (!Array.isArray(keyValuePairs) || keyValuePairs.length === 0 || !Array.isArray(keyValuePairs[0])) {
    throw new Error("[AsyncStorage] Expected array of key-value pairs as first argument to multiSet");
  }
  if (callback && typeof callback !== "function") {
    if (Array.isArray(callback)) {
      throw new Error("[AsyncStorage] Expected function as second argument to multiSet. Did you forget to wrap key-value pairs in an array for the first argument?");
    }
    throw new Error("[AsyncStorage] Expected function as second argument to multiSet");
  }
}
function checkValidInput(...input) {
  const [key, value] = input;
  if (typeof key !== "string") {
    // eslint-disable-next-line no-console
    console.warn(`[AsyncStorage] Using ${typeof key} type for key is not supported. This can lead to unexpected behavior/errors. Use string instead.\nKey passed: ${key}\n`);
  }
  if (input.length > 1 && typeof value !== "string") {
    if (value == null) {
      throw new Error(`[AsyncStorage] Passing null/undefined as value is not supported. If you want to remove value, Use .removeItem method instead.\nPassed value: ${value}\nPassed key: ${key}\n`);
    } else {
      // eslint-disable-next-line no-console
      console.warn(`[AsyncStorage] The value for key "${key}" is not a string. This can lead to unexpected behavior/errors. Consider stringifying it.\nPassed value: ${value}\nPassed key: ${key}\n`);
    }
  }
}
function convertError(error) {
  if (!error) {
    return null;
  }
  const out = new Error(error.message);
  out["key"] = error.key;
  return out;
}
function convertErrors(errs) {
  const errors = ensureArray(errs);
  return errors ? errors.map(e => convertError(e)) : null;
}
function ensureArray(e) {
  if (Array.isArray(e)) {
    return e.length === 0 ? null : e;
  } else if (e) {
    return [e];
  } else {
    return null;
  }
}
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