idmp/plugins/browser-storage/dist/index.node.cjs

A lightweight TypeScript library for deduplicating and caching async function calls with automatic retries, designed for idempotent network requests in React and Node.js.

/*! idmp v0.0.0 | (c) github/haozi | MIT */
"use strict";
var __async = (__this, __arguments, generator) => {
  return new Promise((resolve, reject) => {
    var fulfilled = (value) => {
      try {
        step(generator.next(value));
      } catch (e) {
        reject(e);
      }
    };
    var rejected = (value) => {
      try {
        step(generator.throw(value));
      } catch (e) {
        reject(e);
      }
    };
    var step = (x) => x.done ? resolve(x.value) : Promise.resolve(x.value).then(fulfilled, rejected);
    step((generator = generator.apply(__this, __arguments)).next());
  });
};
Object.defineProperties(exports, { __esModule: { value: true }, [Symbol.toStringTag]: { value: "Module" } });
/*! idmp v3.4.4 | (c) github/haozi | MIT */
const DEFAULT_MAX_AGE = 3e3;
const _7days = 6048e5;
const noop = () => {
};
const getRange = (maxAge) => {
  if (maxAge < 0) return 0;
  if (maxAge > _7days) return _7days;
  return maxAge;
};
const getOptions = (options) => {
  const {
    maxRetry = 30,
    maxAge: paramMaxAge = DEFAULT_MAX_AGE,
    minRetryDelay = 50,
    maxRetryDelay = 5e3,
    onBeforeRetry = noop,
    signal
  } = options || {};
  const maxAge = getRange(paramMaxAge);
  return {
    maxRetry,
    maxAge,
    minRetryDelay,
    maxRetryDelay,
    onBeforeRetry,
    f: paramMaxAge === 1 / 0,
    // Infinity
    signal
  };
};
const UNDEFINED = void 0;
const PREFIX = "@idmp/v1/";
const getCacheKey = (globalKey) => `${PREFIX}${globalKey}`;
const initStorage = (storageType) => {
  let storage;
  try {
    storage = window[storageType];
  } catch (e) {
  }
  const remove = (key) => {
    if (!key) return;
    try {
      const cacheKey = getCacheKey(key);
      storage.removeItem(cacheKey);
    } catch (e) {
    }
  };
  const get = (key) => {
    if (!key) return;
    const cacheKey = getCacheKey(key);
    let localData;
    try {
      localData = JSON.parse(storage.getItem(cacheKey) || "");
      if (localData === UNDEFINED) return;
      const { t, a: maxAge, d: data } = localData;
      if (Date.now() - t > maxAge) {
        remove(cacheKey);
        return;
      }
      return data;
    } catch (e) {
    }
  };
  const set = (key, data, maxAge) => {
    if (!key) return;
    const cacheKey = getCacheKey(key);
    try {
      storage.setItem(
        cacheKey,
        JSON.stringify({
          t: Date.now(),
          // timestamp
          a: maxAge,
          // age (ttl)
          d: data
          // data
        })
      );
    } catch (e) {
    }
  };
  const clear = () => {
    try {
      for (let i = storage.length - 1; i >= 0; i--) {
        const key = storage.key(i);
        if (key && key.startsWith(PREFIX)) {
          remove(key);
        }
      }
    } catch (e) {
    }
  };
  return {
    get,
    set,
    remove,
    clear
  };
};
const storageIdmpWrap = (_idmp, storageType = "sessionStorage") => {
  const storage = initStorage(storageType);
  const newIdmp = (globalKey, promiseFunc, options) => {
    const finalOptions = getOptions(options);
    return _idmp(
      globalKey,
      () => __async(null, null, function* () {
        const localData = storage.get(globalKey);
        if (localData !== UNDEFINED) {
          if (process.env.NODE_ENV !== "production") {
            console.log(
              `[idmp-plugin browser-storage debug] ${globalKey} from ${storageType}["${getCacheKey(globalKey)}"]`
            );
          }
          return localData;
        }
        const memoryData = yield promiseFunc();
        if (memoryData !== UNDEFINED) {
          storage.set(globalKey, memoryData, finalOptions.maxAge);
        }
        return memoryData;
      }),
      options
    );
  };
  newIdmp.flush = (globalKey) => {
    _idmp.flush(globalKey);
    storage.remove(globalKey);
  };
  newIdmp.flushAll = () => {
    _idmp.flushAll();
    storage.clear();
  };
  return newIdmp;
};
exports.default = storageIdmpWrap;
exports.getCacheKey = getCacheKey;