Add the Flytrap code transform to your Esbuild configuration, so that all your code gets properly processed for replaying. This is an example configuration of using Esbuild with an Express API.
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import { build } from 'esbuild'import { FlytrapTransformPlugin } from 'useflytrap/transform'await build({ entryPoints: ['./src/index.ts'], outdir: 'dist', outExtension: { '.js': '.cjs' }, format: 'cjs', bundle: true, platform: 'node', target: 'node18', packages: 'external', // only add in production plugins: [...(process.env.NODE_ENV === 'production' ? [FlytrapTransformPlugin.esbuild()] : [])]})
Next up, create your Flytrap configuration file. The configuration file defines what project you are capturing & replaying for, and the replay & capture behavior.You can get the values for your Flytrap configuration file by creating a project as seen below.
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import { defineFlytrapConfig } from 'useflytrap'export default defineFlytrapConfig({ projectId: 'your-project-id', captureId: 'capture id for replaying', publicApiKey: 'your public api key', secretApiKey: 'your secret api key', privateKey: 'your private key', mode: 'capture'})