taro-hooks/es/createUseInfoHook/index.js

为 Taro 而设计的 Hooks Library

import { useRef } from '@taro-hooks/core';
import { logError, log } from '@taro-hooks/shared';
import { typeOf, isProd } from '../utils/tool';
/**
 * a general generate info api hook, make direaction return, use undefined make fail
 * @param {TCallback<T>} fn
 * @returns {T}
 */
export function createUseInfoHook(fn, defaultReturn) {
  return function () {
    var safeExcute = function safeExcute() {
      try {
        if (!isProd) {
          var _fn;
          // dev mode will sync function will return a promise result
          // @ts-ignore
          var result = (_fn = fn()) == null ? void 0 : _fn.then == null ? void 0 : _fn.then(function (e) {
            return e;
          }, log);
          return typeOf(result, 'Promise') && 'then' in result ? defaultReturn :
          // @ts-ignore
          result || fn();
        }
        // @ts-ignore
        return fn();
      } catch (e) {
        logError("[createUseInfoHook]: " + e.message + ". " + String(fn));
        return defaultReturn;
      }
    };
    return useRef(safeExcute()).current;
  };
}