NameMap.js 2.9 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
  3. Object.defineProperty(exports, "__esModule", {
  4. value: true
  5. });
  6. exports.default = void 0;
  7. var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
  8. var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
  9. var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
  10. var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
  11. var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
  12. var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
  13. var SPLIT = '__@field_split__';
  14. /**
  15. * Convert name path into string to fast the fetch speed of Map.
  16. */
  17. function normalize(namePath) {
  18. return namePath.map(function (cell) {
  19. return "".concat((0, _typeof2.default)(cell), ":").concat(cell);
  20. })
  21. // Magic split
  22. .join(SPLIT);
  23. }
  24. /**
  25. * NameMap like a `Map` but accepts `string[]` as key.
  26. */
  27. var NameMap = /*#__PURE__*/function () {
  28. function NameMap() {
  29. (0, _classCallCheck2.default)(this, NameMap);
  30. (0, _defineProperty2.default)(this, "kvs", new Map());
  31. }
  32. (0, _createClass2.default)(NameMap, [{
  33. key: "set",
  34. value: function set(key, value) {
  35. this.kvs.set(normalize(key), value);
  36. }
  37. }, {
  38. key: "get",
  39. value: function get(key) {
  40. return this.kvs.get(normalize(key));
  41. }
  42. }, {
  43. key: "update",
  44. value: function update(key, updater) {
  45. var origin = this.get(key);
  46. var next = updater(origin);
  47. if (!next) {
  48. this.delete(key);
  49. } else {
  50. this.set(key, next);
  51. }
  52. }
  53. }, {
  54. key: "delete",
  55. value: function _delete(key) {
  56. this.kvs.delete(normalize(key));
  57. }
  58. // Since we only use this in test, let simply realize this
  59. }, {
  60. key: "map",
  61. value: function map(callback) {
  62. return (0, _toConsumableArray2.default)(this.kvs.entries()).map(function (_ref) {
  63. var _ref2 = (0, _slicedToArray2.default)(_ref, 2),
  64. key = _ref2[0],
  65. value = _ref2[1];
  66. var cells = key.split(SPLIT);
  67. return callback({
  68. key: cells.map(function (cell) {
  69. var _cell$match = cell.match(/^([^:]*):(.*)$/),
  70. _cell$match2 = (0, _slicedToArray2.default)(_cell$match, 3),
  71. type = _cell$match2[1],
  72. unit = _cell$match2[2];
  73. return type === 'number' ? Number(unit) : unit;
  74. }),
  75. value: value
  76. });
  77. });
  78. }
  79. }, {
  80. key: "toJSON",
  81. value: function toJSON() {
  82. var json = {};
  83. this.map(function (_ref3) {
  84. var key = _ref3.key,
  85. value = _ref3.value;
  86. json[key.join('.')] = value;
  87. return null;
  88. });
  89. return json;
  90. }
  91. }]);
  92. return NameMap;
  93. }();
  94. var _default = exports.default = NameMap;