drip-table/lib/components/react-components/highlight/index.js

A tiny and powerful enterprise-class solution for building tables.

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

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

var _react = _interopRequireDefault(require("react"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure 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 _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; }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

/**
 * 高亮文本
 *
 * @export
 * @class Highlight
 * @extends {React.Component<HighlightProps, {}>}
 */
var Highlight = /*#__PURE__*/function (_React$PureComponent) {
  _inherits(Highlight, _React$PureComponent);

  var _super = _createSuper(Highlight);

  function Highlight() {
    _classCallCheck(this, Highlight);

    return _super.apply(this, arguments);
  }

  _createClass(Highlight, [{
    key: "contents",
    get: function get() {
      var contents = [];
      var _this$props = this.props,
          content = _this$props.content,
          keywords = _this$props.keywords;
      keywords = keywords.filter(Boolean).sort(function (s1, s2) {
        return s2.length - s1.length;
      });

      if (keywords.length > 0) {
        while (content) {
          var _this$searchString = this.searchString(content, keywords),
              _this$searchString2 = _slicedToArray(_this$searchString, 2),
              keyword = _this$searchString2[0],
              index = _this$searchString2[1];

          if (keyword) {
            if (index > 0) {
              contents.push({
                highlight: false,
                text: content.slice(0, Math.max(0, index))
              });
            }

            contents.push({
              highlight: true,
              text: keyword
            });
            content = content.slice(index + keyword.length);
          } else {
            contents.push({
              highlight: false,
              text: content
            });
            content = '';
          }
        }
      }

      return contents;
    }
    /**
     * 搜索匹配字符串
     *
     * @private
     * @param {string} content 内容文本
     * @param {string[]} keywords 关键字列表（按长度降序排列）
     * @returns {[string, number]} 匹配到的关键字, 匹配到的位置
     *
     * @memberOf Highlight
     */

  }, {
    key: "searchString",
    value: function searchString(content, keywords) {
      var keyword = '';
      var foundIndex = -1;

      var _iterator = _createForOfIteratorHelper(keywords),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var kw = _step.value;
          var index = content.indexOf(kw);

          if (index >= 0 && (index < foundIndex || foundIndex === -1)) {
            keyword = kw;
            foundIndex = index;
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }

      return [keyword, foundIndex];
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props2 = this.props,
          _this$props2$color = _this$props2.color,
          color = _this$props2$color === void 0 ? 'red' : _this$props2$color,
          _this$props2$tagName = _this$props2.tagName,
          tagName = _this$props2$tagName === void 0 ? 'span' : _this$props2$tagName,
          tagAttrs = _this$props2.tagAttrs;
      var children = this.contents.map(function (content, i) {
        return content.highlight ? /*#__PURE__*/_react.default.createElement("span", {
          key: i,
          style: {
            color: color
          }
        }, content.text) : /*#__PURE__*/_react.default.createElement("span", {
          key: i
        }, content.text);
      });
      return /*#__PURE__*/_react.default.createElement(tagName, tagAttrs, children);
    }
  }]);

  return Highlight;
}(_react.default.PureComponent);

exports.default = Highlight;