68 lines
2 KiB
JavaScript
68 lines
2 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.update = void 0;
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var htmlparser2_1 = require("htmlparser2");
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var htmlparser2_adapter_1 = require("./parsers/htmlparser2-adapter");
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var parse5_adapter_1 = require("./parsers/parse5-adapter");
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var domhandler_1 = require("domhandler");
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/*
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* Parser
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*/
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function parse(content, options, isDocument) {
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if (typeof Buffer !== 'undefined' && Buffer.isBuffer(content)) {
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content = content.toString();
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}
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if (typeof content === 'string') {
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return options.xmlMode || options._useHtmlParser2
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? htmlparser2_adapter_1.parse(content, options)
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: parse5_adapter_1.parse(content, options, isDocument);
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}
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var doc = content;
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if (!Array.isArray(doc) && domhandler_1.isDocument(doc)) {
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// If `doc` is already a root, just return it
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return doc;
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}
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// Add conent to new root element
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var root = new domhandler_1.Document([]);
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// Update the DOM using the root
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update(doc, root);
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return root;
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}
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exports.default = parse;
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/**
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* Update the dom structure, for one changed layer.
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*
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* @param newChilds - The new children.
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* @param parent - The new parent.
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* @returns The parent node.
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*/
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function update(newChilds, parent) {
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// Normalize
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var arr = Array.isArray(newChilds) ? newChilds : [newChilds];
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// Update parent
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if (parent) {
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parent.children = arr;
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}
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else {
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parent = null;
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}
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// Update neighbors
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for (var i = 0; i < arr.length; i++) {
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var node = arr[i];
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// Cleanly remove existing nodes from their previous structures.
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if (node.parent && node.parent.children !== arr) {
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htmlparser2_1.DomUtils.removeElement(node);
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}
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if (parent) {
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node.prev = arr[i - 1] || null;
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node.next = arr[i + 1] || null;
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}
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else {
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node.prev = node.next = null;
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}
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node.parent = parent;
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}
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return parent;
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}
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exports.update = update;
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