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DBAR Examples

These examples are meant to be runnable from a clean project or from a DBAR checkout after the package is built.

Clean Project

mkdir dbar-examples
cd dbar-examples
npm init -y
npm install @pyyush/dbar playwright
npx playwright install chromium

Then copy one of the .mjs files in this directory and run it with Node.js 20 or newer:

node 01-capture-validate-replay.mjs

Package Checkout

From the repository root:

npm install
npm run build
npm install --no-save playwright
npx playwright install chromium
node examples/01-capture-validate-replay.mjs

The examples import @pyyush/dbar through the package export, so a checkout must be built before running them locally.

Files

  • 01-capture-validate-replay.mjs: capture a page load, validate the capsule, write it to disk, and replay the same navigation boundary.
  • 02-capture-on-failure.mjs: keep a capsule only when the run fails or when DBAR_KEEP_HIGH_VALUE=1 is set.
  • 03-step-by-step-replay.mjs: capture and replay a multi-step workflow by interleaving Playwright actions with DBAR replay steps.

Artifacts are written under examples/artifacts/ when the examples are run from this repository.