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dalang

A simplified puppeteer for use with puppeteer. Includes both an API for use in node, and a scripting language called dalang script.

Versions

  • 0.1.6-alpha.4 (latest) (based on puppeteer 5.5)
  • 0.1.6-alpha.3 (based on puppeteer 5.5)
  • 0.1.5-alpha.4 (based on puppeteer 1.20)
  • 0.1.4-alpha.3 (based on puppeteer 1.11)
  • 0.1.4-alpha.2
  • 0.1.4-alpha.1
  • 0.1.3 (based on puppeteer 1.3)

Overview

dalang abstracts the puppeteer API, allowing the focus to be on writing tests. It is a simple yet powerful API and scripting language, designed to take much of the pain out of writing and updating automation and regression tests for web pages.

Puppeteer is a powerful automation tool for google chrome, but it requires a fair amount of code to do even the simplest things. The idea behind dalang and dalang script is to hide all the complication inside the API and script engine and expose the power of puppeteer through the simplest of APIs or commands.

Simple and quick was the goal behind this project.

Release Notes

  • Version 0.1.6.alpha.4 is now available.
    • Adds a new script command.

Example dalang script

browser headless 0
browser start
browser size 1024,768
browser get "https://github.com/search/"
wait 30
select "*[name='q']" 
send "dalang user:redskyit"
select "button[type='submit']" 
click
sleep 10

Installation

npm i dalang --save-dev

Using dalang API

const dalang = require('dalang');
(async () => {
  await dalang.config({ headless: false });
  await dalang.start({ width: 1024, height: 768 });
  await dalang.get('https://github.com/search');
  await dalang.wait(30);
  await dalang.select('*[name="q"]');
  await dalang.send('dalang user:redskyit');
  await dalang.select('button[type="submit"]');
  await dalang.click();
  await dalang.sleep(10);
  await dalang.close();
})();

Using dalang script

const dalang = require('dalang');
dalang.run('/path/to/script');

Documentation

Dalang Script Language Syntax

https://github.com/redskyit/dalang/wiki/Language-Syntax-(v0.1)