useIndicator.js 4.2 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  3. var _typeof = require("@babel/runtime/helpers/typeof");
  4. Object.defineProperty(exports, "__esModule", {
  5. value: true
  6. });
  7. exports.default = void 0;
  8. var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
  9. var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
  10. var _react = _interopRequireWildcard(require("react"));
  11. 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); }
  12. function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(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; }
  13. var useIndicator = function useIndicator(options) {
  14. var activeTabOffset = options.activeTabOffset,
  15. horizontal = options.horizontal,
  16. rtl = options.rtl,
  17. _options$indicator = options.indicator,
  18. indicator = _options$indicator === void 0 ? {} : _options$indicator;
  19. var size = indicator.size,
  20. _indicator$align = indicator.align,
  21. align = _indicator$align === void 0 ? 'center' : _indicator$align;
  22. var _useState = (0, _react.useState)(),
  23. _useState2 = (0, _slicedToArray2.default)(_useState, 2),
  24. inkStyle = _useState2[0],
  25. setInkStyle = _useState2[1];
  26. var inkBarRafRef = (0, _react.useRef)();
  27. var getLength = _react.default.useCallback(function (origin) {
  28. if (typeof size === 'function') {
  29. return size(origin);
  30. }
  31. if (typeof size === 'number') {
  32. return size;
  33. }
  34. return origin;
  35. }, [size]);
  36. // Delay set ink style to avoid remove tab blink
  37. function cleanInkBarRaf() {
  38. _raf.default.cancel(inkBarRafRef.current);
  39. }
  40. (0, _react.useEffect)(function () {
  41. var newInkStyle = {};
  42. if (activeTabOffset) {
  43. if (horizontal) {
  44. newInkStyle.width = getLength(activeTabOffset.width);
  45. var key = rtl ? 'right' : 'left';
  46. if (align === 'start') {
  47. newInkStyle[key] = activeTabOffset[key];
  48. }
  49. if (align === 'center') {
  50. newInkStyle[key] = activeTabOffset[key] + activeTabOffset.width / 2;
  51. newInkStyle.transform = rtl ? 'translateX(50%)' : 'translateX(-50%)';
  52. }
  53. if (align === 'end') {
  54. newInkStyle[key] = activeTabOffset[key] + activeTabOffset.width;
  55. newInkStyle.transform = 'translateX(-100%)';
  56. }
  57. } else {
  58. newInkStyle.height = getLength(activeTabOffset.height);
  59. if (align === 'start') {
  60. newInkStyle.top = activeTabOffset.top;
  61. }
  62. if (align === 'center') {
  63. newInkStyle.top = activeTabOffset.top + activeTabOffset.height / 2;
  64. newInkStyle.transform = 'translateY(-50%)';
  65. }
  66. if (align === 'end') {
  67. newInkStyle.top = activeTabOffset.top + activeTabOffset.height;
  68. newInkStyle.transform = 'translateY(-100%)';
  69. }
  70. }
  71. }
  72. cleanInkBarRaf();
  73. inkBarRafRef.current = (0, _raf.default)(function () {
  74. // Avoid jitter caused by tiny numerical differences
  75. // fix https://github.com/ant-design/ant-design/issues/53378
  76. var isEqual = inkStyle && newInkStyle && Object.keys(newInkStyle).every(function (key) {
  77. var newValue = newInkStyle[key];
  78. var oldValue = inkStyle[key];
  79. return typeof newValue === 'number' && typeof oldValue === 'number' ? Math.round(newValue) === Math.round(oldValue) : newValue === oldValue;
  80. });
  81. if (!isEqual) {
  82. setInkStyle(newInkStyle);
  83. }
  84. });
  85. return cleanInkBarRaf;
  86. }, [JSON.stringify(activeTabOffset), horizontal, rtl, align, getLength]);
  87. return {
  88. style: inkStyle
  89. };
  90. };
  91. var _default = exports.default = useIndicator;