all files / common/utils/ html-parser.js

96.82% Statements 304/314
92.82% Branches 194/209
93.55% Functions 29/31
97.03% Lines 294/303
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458                       76× 820×   67× 67× 112× 112× 112× 22×   90× 88× 88× 88× 17× 17× 17× 27× 27×     27×         27× 27×         71×   65×   63×   60× 12× 12×       12×   48×   46× 15× 15×   31× 18× 18× 17×   18×   88× 10× 10×           90×   67× 108× 108×         67× 104×   67×   117× 117×     116× 116× 116× 337× 197× 197× 197× 197×   197×   140× 140×   135×       131×   126× 126× 30× 30× 30×     96×     116× 246×   116× 202×             198×   116× 116×   135× 135× 135× 135×   135× 135× 19×   135× 135×   135× 135×   135× 135×   135× 135×   135×   135×   135× 135×   135×   18× 18×     18× 18× 18× 18× 18× 18×   18× 24×   18× 28× 28× 52× 28×   28× 18× 28×     18×   18× 18×   17× 17× 30×     17× 17× 24× 24× 48× 48× 48×     48×   24×   17×           17×   126×   124× 124× 124× 124× 288× 35× 35× 50×   35×     34×       124× 181× 181×   180× 180× 180× 180× 50×     34×   50×     35×         35×   50× 50×     130× 130× 130×     124× 124×   203× 203×   237×   235× 235× 235× 235× 235× 35× 47× 47× 47×     11× 11×                           235×   235×     135× 135×       107×                                 125× 125×      
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
define(["require", "exports", "@syncfusion/ej2-base", "./security", "./isformatted", "../../block-manager/services/index", "../../models/enums", "./clipboard-utils", "./table-utils"], function (require, exports, ej2_base_1, security_1, isformatted_1, index_1, enums_1, clipboard_utils_1, table_utils_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var hasBlockElements = function (element) {
        var blockTags = ['H1', 'H2', 'H3', 'H4', 'BLOCKQUOTE', 'UL', 'OL', 'PRE', 'HR', 'IMG', 'TABLE'];
        return blockTags.some(function (tag) { return element.querySelector(tag) !== null; });
    };
    function convertHtmlElementToBlocks(container, keepFormat) {
        var blocks = [];
        var processNode = function (node, indentLevel) {
            if (indentLevel === void 0) { indentLevel = 0; }
            var isBlockProcessed = false;
            if (node.nodeType === Node.TEXT_NODE && node.textContent.trim() === '') {
                return isBlockProcessed;
            }
            if (node.nodeType === Node.ELEMENT_NODE) {
                var element = node;
                var tag = element.tagName;
                if (tag === 'UL' || tag === 'OL') {
                    var isOrdered = tag === 'OL';
                    var children = Array.from(element.children);
                    for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
                        var li = children_1[_i];
                        Iif (li.tagName !== 'LI') {
                            continue;
                        }
                        blocks.push(index_1.BlockFactory.createBlockFromPartial({
                            blockType: isOrdered ? enums_1.BlockType.NumberedList : enums_1.BlockType.BulletList,
                            content: convertInlineElementsToContentModels(li, keepFormat),
                            indent: indentLevel
                        }));
                        isBlockProcessed = true;
                        Array.from(li.children).forEach(function (child) {
                            if (child.tagName === 'UL' || child.tagName === 'OL') {
                                processNode(child, indentLevel + 1);
                            }
                        });
                    }
                }
                else if (tag.match(/^H[1-4]$/)) {
                    var level = parseInt(tag.substring(1), 10);
                    blocks.push(index_1.BlockFactory.createHeadingBlock({ content: convertInlineElementsToContentModels(element, keepFormat) }, { level: level }));
                    isBlockProcessed = true;
                }
                else if (tag === 'BLOCKQUOTE') {
                    blocks.push(index_1.BlockFactory.createQuoteBlock({ content: convertInlineElementsToContentModels(element, keepFormat) }));
                    isBlockProcessed = true;
                }
                else if (tag === 'HR') {
                    blocks.push(index_1.BlockFactory.createDividerBlock());
                    isBlockProcessed = true;
                }
                else if (tag === 'IMG') {
                    var img = element;
                    blocks.push(index_1.BlockFactory.createImageBlock({}, {
                        src: img.src,
                        altText: img.alt
                    }));
                    isBlockProcessed = true;
                }
                else if (tag === 'PRE' && element.querySelector('code')) {
                    blocks.push(index_1.BlockFactory.createCodeBlock({ content: [index_1.BlockFactory.createTextContent({ content: element.textContent })] }));
                    isBlockProcessed = true;
                }
                else if ((tag === 'P') && !hasBlockElements(element)) {
                    blocks.push(index_1.BlockFactory.createParagraphBlock({ content: convertInlineElementsToContentModels(element, keepFormat) }));
                    isBlockProcessed = true;
                }
                else if (tag === 'TABLE') {
                    var model = parseHtmlTableToBlock(element);
                    if (model) {
                        blocks.push(model);
                    }
                    isBlockProcessed = true;
                }
                if ((tag === 'DIV') && !hasBlockElements(element)) {
                    blocks.push(index_1.BlockFactory.createParagraphBlock({ content: convertInlineElementsToContentModels(element, keepFormat) }));
                    isBlockProcessed = true;
                }
            }
            else Eif (node.nodeType === Node.TEXT_NODE && node.textContent.trim() !== '') {
                blocks.push(index_1.BlockFactory.createParagraphBlock({
                    content: [index_1.BlockFactory.createTextContent({ content: node.textContent.trim() })]
                }));
                isBlockProcessed = true;
            }
            return isBlockProcessed;
        };
        var traverseDOM = function (element) {
            var isBlockProcessed = processNode(element);
            if (!isBlockProcessed && element.nodeType === Node.ELEMENT_NODE) {
                var tagName = element.tagName;
                var validBlockElements = ['UL', 'OL', 'LI', 'BLOCKQUOTE', 'PRE', 'HR', 'IMG', 'TABLE'].indexOf(tagName) !== -1 ||
                    !ej2_base_1.isNullOrUndefined(tagName.match(/^H[1-4]$/));
                Eif (!validBlockElements) {
                    Array.from(element.childNodes).forEach(traverseDOM);
                }
            }
        };
        Array.from(container.childNodes).forEach(function (node) {
            traverseDOM(node);
        });
        return blocks;
    }
    exports.convertHtmlElementToBlocks = convertHtmlElementToBlocks;
    function convertInlineElementsToContentModels(element, keepFormat) {
        var content = [];
        if (!keepFormat) {
            if (element.textContent !== '') {
                return [index_1.BlockFactory.createTextContent({ content: element.textContent })];
            }
        }
        var styleStack = [{}];
        var linkProps;
        var processNode = function (node) {
            if (node.nodeType === Node.TEXT_NODE) {
                var text = node.textContent;
                text = text.replace(/\n/g, '');
                Eif (text !== '') {
                    content.push(createContentModel(text, styleStack[styleStack.length - 1], linkProps));
                }
                return;
            }
            var el = node;
            if (el.tagName === 'UL' || el.tagName === 'OL') {
                return;
            }
            if (el.tagName === 'A') {
                var prevLink = linkProps;
                linkProps = {
                    url: el.getAttribute('href') || ''
                };
                processChildren(el);
                linkProps = prevLink;
                return;
            }
            if (el.tagName === 'BR') {
                content.push(createContentModel('\n', styleStack[styleStack.length - 1], linkProps));
                return;
            }
            var newStyles = extractStylesFromElement(el, styleStack[styleStack.length - 1]);
            if (newStyles && Object.keys(newStyles).length > 0) {
                styleStack.push(newStyles);
                processChildren(el);
                styleStack.pop();
            }
            else {
                processChildren(el);
            }
        };
        var processChildren = function (parent) {
            Array.from(parent.childNodes).forEach(processNode);
        };
        var createContentModel = function (text, styles, link) {
            if (link) {
                return index_1.BlockFactory.createLinkContent({
                    content: text
                }, {
                    styles: __assign({}, styles),
                    url: link.url
                });
            }
            return index_1.BlockFactory.createTextContent({ content: text }, { styles: __assign({}, styles) });
        };
        processChildren(element);
        return content;
    }
    exports.convertInlineElementsToContentModels = convertInlineElementsToContentModels;
    function extractStylesFromElement(element, styles) {
        if (styles === void 0) { styles = {}; }
        var newStyles = __assign({}, styles);
        var isBold = isformatted_1.FormattingHelper.isBold(element);
        if (isBold) {
            newStyles.bold = isBold;
        }
        var isItalic = isformatted_1.FormattingHelper.isItalic(element);
        if (isItalic) {
            newStyles.italic = isItalic;
        }
        var isUnderline = isformatted_1.FormattingHelper.isUnderline(element);
        if (isUnderline) {
            newStyles.underline = isUnderline;
        }
        var isStrikethrough = isformatted_1.FormattingHelper.isStrikethrough(element);
        if (isStrikethrough) {
            newStyles.strikethrough = isStrikethrough;
        }
        var isSuperscript = isformatted_1.FormattingHelper.isSuperscript(element);
        if (isSuperscript) {
            newStyles.superscript = isSuperscript;
        }
        var isSubscript = isformatted_1.FormattingHelper.isSubscript(element);
        if (isSubscript) {
            newStyles.subscript = isSubscript;
        }
        if (element.style.color) {
            newStyles.color = isformatted_1.FormattingHelper.getFontColor(element);
        }
        if (element.style.backgroundColor) {
            newStyles.backgroundColor = isformatted_1.FormattingHelper.getBackgroundColor(element);
        }
        var isInlineCode = isformatted_1.FormattingHelper.isInlineCode(element);
        if (isInlineCode) {
            newStyles.inlineCode = isInlineCode;
        }
        return newStyles;
    }
    exports.extractStylesFromElement = extractStylesFromElement;
    function parseHtmlTableToMatrix(root) {
        var table = (root.tagName === 'TABLE' ? root : root.querySelector('table'));
        Iif (!table) {
            return { matrix: [], hasHeader: false };
        }
        var thead = table.querySelector('thead');
        var tbody = table.querySelector('tbody');
        var hasHeader = !!thead && !!thead.rows && thead.rows.length > 0;
        var rows = [];
        var matrix = [];
        if (thead && thead.rows && thead.rows.length) {
            rows.push(thead.rows[0]);
        }
        if (tbody) {
            Array.from(tbody.querySelectorAll('tr')).forEach(function (tr) { return rows.push(tr); });
        }
        for (var _i = 0, rows_1 = rows; _i < rows_1.length; _i++) {
            var tr = rows_1[_i];
            var cells = Array.from(tr.querySelectorAll('th,td'));
            var filtered = cells.filter(function (c) { return !c.classList.contains('e-row-number'); });
            matrix.push(filtered);
        }
        var maxCols = Math.max.apply(Math, [0].concat(matrix.map(function (r) { return r.length; })));
        matrix.forEach(function (row) {
            while (row.length < maxCols) {
                row.push(document.createElement('td'));
            }
        });
        return { matrix: matrix, hasHeader: hasHeader };
    }
    exports.parseHtmlTableToMatrix = parseHtmlTableToMatrix;
    function parseHtmlTableToBlock(element) {
        var _a = parseHtmlTableToMatrix(element), matrix = _a.matrix, hasHeader = _a.hasHeader;
        if (!matrix.length) {
            return null;
        }
        var bodyStart = hasHeader ? 1 : 0;
        var colsCount = matrix[0].length;
        var columns = new Array(colsCount).fill(0).map(function (_, idx) { return ({
            id: "col_" + idx, width: '', headerText: hasHeader ? (matrix[0][idx].textContent).trim() : ''
        }); });
        var rows = [];
        for (var r = bodyStart; r < matrix.length; r++) {
            var cells = [];
            for (var c = 0; c < colsCount; c++) {
                var cellEl = matrix[r][c];
                var blocks = hasBlockElements(cellEl) ? convertHtmlElementToBlocks(cellEl, true) : [];
                var cellBlocks = blocks.length
                    ? blocks
                    : [index_1.BlockFactory.createParagraphBlock({ content: convertInlineElementsToContentModels(cellEl, true) })];
                cells.push({ columnId: columns[c].id, blocks: cellBlocks });
            }
            rows.push({ cells: cells });
        }
        var properties = {
            enableHeader: hasHeader,
            enableRowNumbers: true,
            columns: columns,
            rows: rows
        };
        return index_1.BlockFactory.createBlockFromPartial({ blockType: 'Table', properties: properties });
    }
    exports.parseHtmlTableToBlock = parseHtmlTableToBlock;
    function getBlockDataAsHTML(blocks, editorId) {
        if (!blocks || blocks.length === 0) {
            return '';
        }
        var htmlParts = [];
        var listStack = [];
        var currentIndent = -1;
        var closeListsToLevel = function (targetIndent) {
            while (listStack.length > 0 && listStack[parseInt((listStack.length - 1).toString(), 10)].indent >= targetIndent) {
                var finishedList = listStack.pop();
                var listHtml = "<" + finishedList.type + ">" + finishedList.items.map(function (item) {
                    return item + '</li>';
                }).join('') + "</" + finishedList.type + ">";
                if (listStack.length > 0) {
                    var parentList = listStack[parseInt((listStack.length - 1).toString(), 10)];
                    var lastIdx = parentList.items.length - 1;
                    parentList.items[parseInt(lastIdx.toString(), 10)] += listHtml;
                }
                else {
                    htmlParts.push(listHtml);
                }
            }
        };
        for (var _i = 0, blocks_1 = blocks; _i < blocks_1.length; _i++) {
            var block = blocks_1[_i];
            if (!block) {
                continue;
            }
            var isList = ['bulletlist', 'numberedlist', 'checklist'].indexOf(block.blockType.toLowerCase()) !== -1;
            var listType = block.blockType.toLowerCase() === 'numberedlist' ? 'ol' : 'ul';
            var indent = block.indent || 0;
            if (isList) {
                if (listStack.length === 0 ||
                    listStack[listStack.length - 1].type !== listType ||
                    indent < currentIndent) {
                    closeListsToLevel(indent);
                }
                if (listStack.length === 0 ||
                    listStack[parseInt((listStack.length - 1).toString(), 10)].type !== listType ||
                    indent > currentIndent) {
                    listStack.push({
                        type: listType,
                        items: [],
                        indent: indent
                    });
                    currentIndent = indent;
                }
                var contentHtml = renderContentAsHTML(block.content);
                listStack[parseInt((listStack.length - 1).toString(), 10)].items.push("<li>" + contentHtml);
            }
            else {
                closeListsToLevel(0);
                currentIndent = -1;
                htmlParts.push(renderBlockAsHTML(block, editorId));
            }
        }
        closeListsToLevel(0);
        return htmlParts.join('');
    }
    exports.getBlockDataAsHTML = getBlockDataAsHTML;
    function renderContentAsHTML(content) {
        if (content === void 0) { content = []; }
        return content
            .map(function (item) {
            if (!item || !item.content) {
                return '';
            }
            var text = security_1.escapeHTML(item.content);
            var props = item.properties;
            var styles = (props && props.styles) ? props.styles : {};
            var keys = Object.keys(styles);
            if (keys.length > 0) {
                for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
                    var style = keys_1[_i];
                    Eif (styles[style]) {
                        switch (style.toLowerCase()) {
                            case 'bold':
                                text = "<strong>" + text + "</strong>";
                                break;
                            case 'italic':
                                text = "<em>" + text + "</em>";
                                break;
                            case 'underline':
                                text = "<u>" + text + "</u>";
                                break;
                            case 'strikethrough':
                                text = "<s>" + text + "</s>";
                                break;
                            case 'superscript':
                                text = "<sup>" + text + "</sup>";
                                break;
                            case 'subscript':
                                text = "<sub>" + text + "</sub>";
                                break;
                            case 'uppercase':
                                text = "<span style=\"text-transform: uppercase;\">" + text + "</span>";
                                break;
                            case 'lowercase':
                                text = "<span style=\"text-transform: lowercase;\">" + text + "</span>";
                                break;
                            case 'color':
                                text = "<span style=\"color: " + styles.color + ";\">" + text + "</span>";
                                break;
                            case 'backgroundcolor':
                                text = "<span style=\"background-color: " + styles.backgroundColor + ";\">" + text + "</span>";
                                break;
                            case 'inlinecode':
                                text = "<code>" + text + "</code>";
                                break;
                        }
                    }
                }
            }
            if (item.contentType === enums_1.ContentType.Link && item.properties) {
                var props_1 = item.properties;
                var target = 'target="_blank"';
                text = "<a href=\"" + security_1.escapeHTML(props_1.url) + "\" " + target + ">" + text + "</a>";
            }
            return text;
        }).join('');
    }
    exports.renderContentAsHTML = renderContentAsHTML;
    function renderBlockAsHTML(block, editorId) {
        var contentHTML = renderContentAsHTML(block.content);
        switch (block.blockType.toLowerCase()) {
            case 'heading': {
                var level = block.properties.level;
                return renderElementWithWrapper("h" + level, contentHTML);
            }
            case 'paragraph':
                return renderElementWithWrapper('p', contentHTML);
            case 'quote':
                return renderElementWithWrapper('blockquote', contentHTML);
            case 'callout': {
                var children = block.properties.children;
                var childrenHTML = children && children.map(function (child) { return renderBlockAsHTML(child); }).join('') || '';
                return renderElementWithWrapper('div', childrenHTML, 'callout');
            }
            case 'divider':
                return '<hr />';
            case 'code':
                return "<pre><code>" + block.content[0].content + "</code></pre>";
            case 'image': {
                var props = block.properties;
                if (props && props.src === '') {
                    return '';
                }
                return "<img src='" + props.src + "' alt='" + props.altText + "' />";
            }
            case 'collapsibleparagraph':
            case 'collapsibleheading': {
                var children = block.properties.children;
                var childrenHTML = children && children.map(function (child) { return renderBlockAsHTML(child); }).join('') || '';
                return renderElementWithWrapper('div', (contentHTML + ' ' + childrenHTML), 'collapsible');
            }
            case 'table': {
                var editorRoot = document.querySelector("#" + editorId);
                var tableBlockEl = editorRoot.querySelector("#" + block.id);
                table_utils_1.focusAllCellsInTable(tableBlockEl);
                var payload = clipboard_utils_1.buildTableClipboardPayload(tableBlockEl, block);
                var matrixText = clipboard_utils_1.extractPlainTextMatrixFromPayload(payload, block);
                var html = clipboard_utils_1.htmlTableFromMatrix(matrixText, { hasHeader: payload.meta.enableHeader, hasRowNumbers: payload.meta.enableRowNumbers });
                table_utils_1.removeFocusFromAllCells(tableBlockEl);
                return html;
            }
            default:
                return renderElementWithWrapper('div', contentHTML);
        }
    }
    exports.renderBlockAsHTML = renderBlockAsHTML;
    function renderElementWithWrapper(tagName, content, className) {
        var classAttr = className ? " class=\"" + className + "\"" : '';
        return "<" + tagName + classAttr + ">" + content + "</" + tagName + ">";
    }
});