lozn00 / uasset-reader-js

Read and extract informations of .uasset files from Unreal Engine in javascript.

Uasset Reader JS

Read and extract informations of .uasset files from Unreal Engine in javascript.
Here a Live Demo.

How to use

First you need to import uasset-reader.min.js in your page.

const file = document.getElementById("file-input").files[0];
const buffer = await file.arrayBuffer();
const bytes = new Uint8Array(buffer);
new window.blueprintUE.uasset.ReaderUasset().analyze(bytes);

Main Methods

analyze([bytes: Uint8Array]): Uasset

This method read each byte to extract data from current .uasset file.

How to dev

Requirements

Currently using:

• node v14.19.1
• npm 8.6.0

First run

Install Gulp & packages

npm install --global gulp-cli
npm install

Then run:

gulp

It will create in dist folder:

• uasset-reader-min.js: js file to put online

At the end, gulp watch is launched for js files.

The demos files is for explaing how works uasset-reader.

Other Gulp Commands

• gulp js: generate js file for dev and prod

Tests

Run tests

npm test

JSDoc

First you have to install jsdoc.

npm install -g jsdoc

Then you can generate the documentation.

npm run jsdoc

The output folder is jsdoc located at the root of the project.

ESlint

Output in terminal

npm run eslint

Output in eslint_out.html

npm run eslint-export