all files / common/ highlight-search.js

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define(["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    function highlightSearch(element, query, ignoreCase, type) {
        var isHtmlElement = /<[^>]*>/g.test(element.innerText);
        if (isHtmlElement) {
            element.innerText = element.innerText.replace(/[\u00A0-\u9999<>&]/g, function (match) { return "&#" + match.charCodeAt(0) + ";"; });
        }
        if (query === '') {
            return;
        }
        else {
            var ignoreRegex = ignoreCase ? 'gim' : 'gm';
            query = /^[a-zA-Z0-9- ]*$/.test(query) ? query : query.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
            var replaceQuery = type === 'StartsWith' ? '^(' + query + ')' : type === 'EndsWith' ?
                '(' + query + ')$' : '(' + query + ')';
            findTextNode(element, new RegExp(replaceQuery, ignoreRegex));
        }
    }
    exports.highlightSearch = highlightSearch;
    function findTextNode(element, pattern) {
        for (var index = 0; element.childNodes && (index < element.childNodes.length); index++) {
            if (element.childNodes[index].nodeType === 3 && element.childNodes[index].textContent.trim() !== '') {
                var value = element.childNodes[index].nodeValue.trim().replace(pattern, '<span class="e-highlight">$1</span>');
                element.childNodes[index].nodeValue = '';
                element.innerHTML = element.innerHTML.trim() + value;
                break;
            }
            else {
                findTextNode(element.childNodes[index], pattern);
            }
        }
    }
    function revertHighlightSearch(content) {
        var contentElement = content.querySelectorAll('.e-highlight');
        for (var i = contentElement.length - 1; i >= 0; i--) {
            var parent_1 = contentElement[i].parentNode;
            var text = document.createTextNode(contentElement[i].textContent);
            parent_1.replaceChild(text, contentElement[i]);
        }
    }
    exports.revertHighlightSearch = revertHighlightSearch;
});