nightmare-xpath

Nightmare plugin to select nodes by xpath expression.

INSTALL

This will install plugin nightmare-xpath for Nightmare 3.X:

npm install --save-dev nightmare-xpath

Note: If you are looking for plugin for Nightmare 1.X, then use:

npm install nightmare-xpath@1

USAGE

const Nightmare = require('nightmare');
require('nightmare-xpath')(Nightmare);

const links = await Nightmare()
    .goto('http://example.com/')
    .xpath('//a[@href]', function (node) {
        // We cannot return DOM element to nodejs,
        // we must return serializable object or primitive.
        // If function is omitted, node.toString() will be used.
        return node.href;
    })
    .then();

console.log(links); // ['https://www.iana.org/domains/example']

API

xpath(selector: string, handler?: (Node: node) => any): Array<any>

selector

Type: string

XPath expression.

handler

Type: function
Optional: Yes
Signature: (Node: node) => any

This function be called on each result of XPathResult. We cannot return DOM element to nodejs, we must return serializable object or primitive. If function is omitted, node.toString() will be used.

RESOURCES

• https://developer.mozilla.org/ru/docs/Web/API/Document/evaluate