@posthog/nextjs-config/dist/webpack-plugin.mjs

NextJS configuration helper for Posthog 🦔

import path from "path";
import { processSourceMaps } from "./utils.mjs";
class SourcemapWebpackPlugin {
    apply(compiler) {
        if ('edge' === this.nextRuntime) return;
        const onDone = async (_, callback)=>{
            callback = callback || (()=>{});
            try {
                this.posthogOptions.verbose && console.log('Processing source maps from webpack plugin...');
                const posthogOptions = {
                    ...this.posthogOptions,
                    sourcemaps: {
                        ...this.posthogOptions.sourcemaps,
                        deleteAfterUpload: this.posthogOptions.sourcemaps.deleteAfterUpload && !this.isServer
                    }
                };
                await processSourceMaps(posthogOptions, this.directory);
            } catch (error) {
                const errorMessage = error instanceof Error ? error.message : error;
                return console.error('Error running PostHog sourcemap plugin:', errorMessage);
            }
            return callback();
        };
        if (compiler.hooks) compiler.hooks.done.tapAsync('SourcemapWebpackPlugin', onDone);
        else compiler.plugin('done', onDone);
    }
    constructor(posthogOptions, isServer, nextRuntime, distDir){
        this.posthogOptions = posthogOptions;
        this.isServer = isServer;
        this.nextRuntime = nextRuntime;
        const resolvedDistDir = path.resolve(null != distDir ? distDir : '.next');
        if (!this.posthogOptions.personalApiKey) throw new Error("Personal API key not provided. If you are using turbo, make sure to add env variables to your turbo config");
        if (!this.posthogOptions.envId) throw new Error("Environment ID not provided. If you are using turbo, make sure to add env variables to your turbo config");
        this.directory = this.isServer ? path.join(resolvedDistDir, 'server') : path.join(resolvedDistDir, 'static/chunks');
    }
}
export { SourcemapWebpackPlugin };