@elastic/eui
Version:
Elastic UI Component Library
92 lines (89 loc) • 4.29 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.HighlightAll = void 0;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _escapeRegExp = _interopRequireDefault(require("lodash/escapeRegExp"));
var _react2 = require("@emotion/react");
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); }
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 && {}.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; }
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
/**
* Internal subcomponent with logic for highlighting all occurrences
* of a search value within a subject
*
* Uses regex rather than indexOf/while loops for easier dev maintainability
*/
var HighlightAll = exports.HighlightAll = function HighlightAll(_ref) {
var searchSubject = _ref.searchSubject,
_searchValue = _ref.searchValue,
isStrict = _ref.isStrict,
_ref$highlightCompone = _ref.highlightComponent,
HighlightComponent = _ref$highlightCompone === void 0 ? 'mark' : _ref$highlightCompone;
var searchValue = (0, _react.useMemo)(function () {
return Array.isArray(_searchValue) ? _searchValue.map(_escapeRegExp.default).join('|') : (0, _escapeRegExp.default)(_searchValue);
}, [_searchValue]);
var chunks = (0, _react.useMemo)(function () {
var regex = new RegExp(searchValue, isStrict ? 'g' : 'gi');
var matches = (0, _toConsumableArray2.default)(searchSubject.matchAll(regex)).map(function (match) {
return {
start: match.index || 0,
end: (match.index || 0) + match[0].length
};
});
return fillInChunks(matches, searchSubject.length);
}, [searchValue, searchSubject, isStrict]);
return (0, _react2.jsx)(_react.default.Fragment, null, chunks.map(function (chunk) {
var end = chunk.end,
highlight = chunk.highlight,
start = chunk.start;
var value = searchSubject.substring(start, end);
return highlight ? (0, _react2.jsx)(HighlightComponent, {
key: start
}, value) : value;
}));
};
/**
* Chunk utility
*/
HighlightAll.propTypes = {
searchValue: _propTypes.default.oneOfType([_propTypes.default.string.isRequired, _propTypes.default.arrayOf(_propTypes.default.string.isRequired).isRequired]).isRequired,
searchSubject: _propTypes.default.string.isRequired,
isStrict: _propTypes.default.bool.isRequired,
highlightComponent: _propTypes.default.any
};
var fillInChunks = function fillInChunks(chunksToHighlight, totalLength) {
var allChunks = [];
var append = function append(start, end, highlight) {
if (end - start > 0) {
allChunks.push({
start: start,
end: end,
highlight: highlight
});
}
};
if (chunksToHighlight.length === 0) {
append(0, totalLength, false);
} else {
var lastIndex = 0;
chunksToHighlight.forEach(function (chunk) {
append(lastIndex, chunk.start, false);
append(chunk.start, chunk.end, true);
lastIndex = chunk.end;
});
append(lastIndex, totalLength, false);
}
return allChunks;
};