How to use the parse function from parse5

Find comprehensive JavaScript parse5.parse code examples handpicked from public code repositorys.

parse5.parse is a JavaScript function that converts an HTML string into a Document Object Model (DOM) tree, which can be manipulated and accessed using JavaScript.

html.js

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  const config = {
    ...ownerDocument._parseOptions,
    treeAdapter: new JSDOMParse5Adapter(ownerDocument)
  };


  return parse5.parse(markup, config);
}


module.exports = {
  parseFragment,

index.js

GitHub: zjffun/node-detective-html

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let dependencies = [];
let ast = {};

try {
  debug("content: %s", fileContent);
  ast = parse(fileContent);
} catch (error) {
  debug("parse error: %s", error.message);
}

How does parse5.parse work?

parse5.parse works by taking an HTML string as its input and converting it into a tree-like structure, called a Document Object Model (DOM), that represents the structure of the HTML document. The function first reads the HTML string and performs lexical and syntactic analysis to identify the different elements, attributes, and text nodes that make up the document. It then constructs a tree-like structure, where each element is represented by a node in the tree and the relationships between the nodes reflect the parent-child relationships between the elements in the document. Each node in the tree has a type, which can be an element, attribute, or text node, and various properties that describe its attributes, content, and relationship to other nodes in the tree. Once the tree is constructed, the resulting DOM can be traversed and manipulated using JavaScript. Note that parse5.parse is able to parse not only valid HTML documents but also malformed or incomplete HTML documents, thanks to its built-in error recovery mechanisms.

main.js

GitHub: GrandChampion/TypeScript-template

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exports.commonBuildingInfo = commonBuildingInfo;
function parseRoomData(id, htmlData) {
    return __awaiter(this, void 0, void 0, function* () {
        let roomData = fs.readFileSync("DMP1.htm", "utf8");
        let result = [];
        let theDocument = parse5.parse(roomData);
        let { fullBuildingName, roomAddress, roomLatitude, roomLongitude, numberOfRooms } = yield commonBuildingInfo(theDocument);
        jsonGenerator(numberOfRooms, theDocument, id, fullBuildingName, roomAddress, roomLatitude, roomLongitude, result);
        return result;
    });

augment-index-html.js

GitHub: saleem1989/SalotimeMini

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        }
    }
}
// Find the head and body elements
const treeAdapter = parse5.treeAdapters.default;
const document = parse5.parse(params.inputContent, { treeAdapter, locationInfo: true });
let headElement;
let bodyElement;
for (const docChild of document.childNodes) {
    if (docChild.tagName === 'html') {

+ 6 other calls in file

Ai Example

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const parse5 = require("parse5");

const htmlString = " Hello World Hello, World! ";
const document = parse5.parse(htmlString);

console.log(document);

In this example, we first import the parse5 library and define an HTML string. We then use parse5.parse to create a new document object, which represents the parsed HTML structure. We can now access and manipulate the elements of the document using JavaScript. For example, to get the title of the document, we can use the following code: javascript Copy code

main.js

GitHub: GrandChampion/TypeScript-template

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}
exports.stringList2jsonList = stringList2jsonList;
function parseRoomData(id, htmlData) {
    return __awaiter(this, void 0, void 0, function* () {
        let result = [];
        let theDocument = parse5.parse(htmlData);
        let tables = findAllTables(theDocument);
        let filteredTable = [];
        for (let table of tables) {
            if (table.childNodes[1].childNodes[1].childNodes[1].attrs[0].value ===

+ 27 other calls in file

installApplication.js

GitHub: mybricks-team/apaas-platform

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}
if(fs.existsSync(fePath)) { // 存在前端
  if(pkg?.mybricks?.type !== 'system') { // 非系统任务
    const srcHomePage = path.join(fePath, './index.html') // 约定
    const rawHomePageStr = fs.readFileSync(srcHomePage, 'utf-8')
    let handledHomePageDom = parse5.parse(rawHomePageStr);
    travelDom(handledHomePageDom, {
      ajaxScriptStr: injectAjaxScript({
        namespace: pkg.name ? pkg.name : ''
      }),

+ 42 other calls in file

critters.js

GitHub: thiagobong22/PortfolioWeb_Thiagobongiovanni

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 */


function createDocument(html) {
  const document =
  /** @type {HTMLDocument} */
  parse5.parse(html, PARSE5_OPTS);
  defineProperties(document, DocumentExtensions); // Extend Element.prototype with DOM manipulation methods.


  const scratch = document.createElement('div'); // Get a reference to the base Node class - used by createTextNode()

+ 3 other calls in file

check-gen-html.js

GitHub: orgTestCodacy11KRepos110MB/repo-151-webpack-plugin-critical

-1

+ 3 other calls in file

Other functions in parse5

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