react-bootstrap-typeahead/lib/components/Highlighter.js

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _inheritsLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/inheritsLoose"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _propTypes = _interopRequireDefault(require("prop-types"));

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

var _utils = require("../utils");

var propTypes = {
  children: _propTypes["default"].string.isRequired,
  highlightClassName: _propTypes["default"].string,
  search: _propTypes["default"].string.isRequired
};
var defaultProps = {
  highlightClassName: 'rbt-highlight-text'
};

/**
 * Stripped-down version of https://github.com/helior/react-highlighter
 *
 * Results are already filtered by the time the component is used internally so
 * we can safely ignore case and diacritical marks for the purposes of matching.
 */
var Highlighter = /*#__PURE__*/function (_React$PureComponent) {
  (0, _inheritsLoose2["default"])(Highlighter, _React$PureComponent);

  function Highlighter() {
    return _React$PureComponent.apply(this, arguments) || this;
  }

  var _proto = Highlighter.prototype;

  _proto.render = function render() {
    var _this$props = this.props,
        children = _this$props.children,
        highlightClassName = _this$props.highlightClassName,
        search = _this$props.search;

    if (!search || !children) {
      return children;
    }

    var matchCount = 0;
    var remaining = children;
    var highlighterChildren = [];

    while (remaining) {
      var bounds = (0, _utils.getMatchBounds)(remaining, search); // No match anywhere in the remaining string, stop.

      if (!bounds) {
        highlighterChildren.push(remaining);
        break;
      } // Capture the string that leads up to a match.


      var nonMatch = remaining.slice(0, bounds.start);

      if (nonMatch) {
        highlighterChildren.push(nonMatch);
      } // Capture the matching string.


      var match = remaining.slice(bounds.start, bounds.end);
      highlighterChildren.push( /*#__PURE__*/_react["default"].createElement("mark", {
        className: highlightClassName,
        key: matchCount
      }, match));
      matchCount += 1; // And if there's anything left over, continue the loop.

      remaining = remaining.slice(bounds.end);
    }

    return highlighterChildren;
  };

  return Highlighter;
}(_react["default"].PureComponent);

(0, _defineProperty2["default"])(Highlighter, "propTypes", propTypes);
(0, _defineProperty2["default"])(Highlighter, "defaultProps", defaultProps);
var _default = Highlighter;
exports["default"] = _default;