flo-utils/lib/usePartialHook.js

some utils

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

/**
 * 偏函数
 * 钩子函数处理
 * 参数合并
 */

/**
const mockA = (a, b) => a - b;
const foo = usePartialHook(mockA, [10], true);

foo(2); // -8
 * @param {*} fn
 * @param {*} [presetArgs=[]] // 预设参数
 * @param {boolean} [isReverse=false]
 * @returns
 */
function usePartialHooks(fn) {
  var presetArgs = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
  var isReverse = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  return function () {
    for (var _len = arguments.length, laterArgs = new Array(_len), _key = 0; _key < _len; _key++) {
      laterArgs[_key] = arguments[_key];
    }

    var args = isReverse ? [].concat(laterArgs, _toConsumableArray(presetArgs)) : [].concat(_toConsumableArray(presetArgs), laterArgs);
    return fn.apply(void 0, _toConsumableArray(args));
  };
}

var _default = usePartialHooks;
exports.default = _default;