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

NextJS configuration helper for Posthog 🦔

import path from "path";
import { callPosthogCli } from "./utils.mjs";
class SourcemapWebpackPlugin {
    apply(compiler) {
        if ('edge' === this.nextRuntime) return;
        const onDone = async (_, callback)=>{
            callback = callback || (()=>{});
            try {
                await this.runInject();
                await this.runUpload();
            } 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);
    }
    async runInject() {
        const cliOptions = [];
        cliOptions.push('sourcemap', 'inject', '--directory', this.directory);
        await callPosthogCli(cliOptions, process.env, this.posthogOptions.verbose);
    }
    async runUpload() {
        const cliOptions = [];
        if (this.posthogOptions.host) cliOptions.push('--host', this.posthogOptions.host);
        cliOptions.push('sourcemap', 'upload');
        cliOptions.push('--directory', this.directory);
        if (this.posthogOptions.sourcemaps.project) cliOptions.push('--project', this.posthogOptions.sourcemaps.project);
        if (this.posthogOptions.sourcemaps.version) cliOptions.push('--version', this.posthogOptions.sourcemaps.version);
        if (this.posthogOptions.sourcemaps.deleteAfterUpload && !this.isServer) cliOptions.push('--delete-after');
        const envVars = {
            ...process.env,
            POSTHOG_CLI_TOKEN: this.posthogOptions.personalApiKey,
            POSTHOG_CLI_ENV_ID: this.posthogOptions.envId
        };
        await callPosthogCli(cliOptions, envVars, this.posthogOptions.verbose);
    }
    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 };