useCount.js 2.4 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  3. var _typeof3 = require("@babel/runtime/helpers/typeof");
  4. Object.defineProperty(exports, "__esModule", {
  5. value: true
  6. });
  7. exports.default = useCount;
  8. exports.inCountRange = inCountRange;
  9. var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
  10. var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
  11. var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
  12. var React = _interopRequireWildcard(require("react"));
  13. var _excluded = ["show"];
  14. function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
  15. function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof3(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
  16. /**
  17. * Cut `value` by the `count.max` prop.
  18. */
  19. function inCountRange(value, countConfig) {
  20. if (!countConfig.max) {
  21. return true;
  22. }
  23. var count = countConfig.strategy(value);
  24. return count <= countConfig.max;
  25. }
  26. function useCount(count, showCount) {
  27. return React.useMemo(function () {
  28. var mergedConfig = {};
  29. if (showCount) {
  30. mergedConfig.show = (0, _typeof2.default)(showCount) === 'object' && showCount.formatter ? showCount.formatter : !!showCount;
  31. }
  32. mergedConfig = (0, _objectSpread2.default)((0, _objectSpread2.default)({}, mergedConfig), count);
  33. var _ref = mergedConfig,
  34. show = _ref.show,
  35. rest = (0, _objectWithoutProperties2.default)(_ref, _excluded);
  36. return (0, _objectSpread2.default)((0, _objectSpread2.default)({}, rest), {}, {
  37. show: !!show,
  38. showFormatter: typeof show === 'function' ? show : undefined,
  39. strategy: rest.strategy || function (value) {
  40. return value.length;
  41. }
  42. });
  43. }, [count, showCount]);
  44. }