devextreme/cjs/core/utils/html_parser.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/core/utils/html_parser.js)
 * Version: 22.1.9
 * Build date: Tue Apr 18 2023
 *
 * Copyright (c) 2012 - 2023 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
exports.parseHTML = exports.isTablePart = void 0;
var _dom_adapter = _interopRequireDefault(require("../dom_adapter"));

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

function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread()
}

function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread 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 ("string" === typeof o) {
        return _arrayLikeToArray(o, minLen)
    }
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if ("Object" === n && o.constructor) {
        n = o.constructor.name
    }
    if ("Map" === n || "Set" === n) {
        return Array.from(o)
    }
    if ("Arguments" === n || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) {
        return _arrayLikeToArray(o, minLen)
    }
}

function _iterableToArray(iter) {
    if ("undefined" !== typeof Symbol && null != iter[Symbol.iterator] || null != iter["@@iterator"]) {
        return Array.from(iter)
    }
}

function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
        return _arrayLikeToArray(arr)
    }
}

function _arrayLikeToArray(arr, len) {
    if (null == len || len > arr.length) {
        len = arr.length
    }
    for (var i = 0, arr2 = new Array(len); i < len; i++) {
        arr2[i] = arr[i]
    }
    return arr2
}
var isTagName = /<([a-z][^/\0>\x20\t\r\n\f]+)/i;
var tagWrappers = {
    default: {
        tagsCount: 0,
        startTags: "",
        endTags: ""
    },
    thead: {
        tagsCount: 1,
        startTags: "<table>",
        endTags: "</table>"
    },
    td: {
        tagsCount: 3,
        startTags: "<table><tbody><tr>",
        endTags: "</tr></tbody></table>"
    },
    col: {
        tagsCount: 2,
        startTags: "<table><colgroup>",
        endTags: "</colgroup></table>"
    },
    tr: {
        tagsCount: 2,
        startTags: "<table><tbody>",
        endTags: "</tbody></table>"
    }
};
tagWrappers.tbody = tagWrappers.colgroup = tagWrappers.caption = tagWrappers.tfoot = tagWrappers.thead;
tagWrappers.th = tagWrappers.td;
var parseHTML = function(html) {
    if ("string" !== typeof html) {
        return null
    }
    var fragment = _dom_adapter.default.createDocumentFragment();
    var container = fragment.appendChild(_dom_adapter.default.createElement("div"));
    var tags = isTagName.exec(html);
    var firstRootTag = tags && tags[1].toLowerCase();
    var tagWrapper = tagWrappers[firstRootTag] || tagWrappers.default;
    container.innerHTML = tagWrapper.startTags + html + tagWrapper.endTags;
    for (var i = 0; i < tagWrapper.tagsCount; i++) {
        container = container.lastChild
    }
    return _toConsumableArray(container.childNodes)
};
exports.parseHTML = parseHTML;
var isTablePart = function(html) {
    var tags = isTagName.exec(html);
    return tags && tags[1] in tagWrappers
};
exports.isTablePart = isTablePart;