meteor/meteor · error · Error

Could not load HtmlRspackPlugin from host project.

Error message

Could not load HtmlRspackPlugin from host project.

What it means

Error "Could not load HtmlRspackPlugin from host project." thrown in meteor/meteor.

Source

Thrown at npm-packages/meteor-rspack/plugins/HtmlRspackPlugin.js:18

const RspackMeteorHtmlPlugin = require('./RspackMeteorHtmlPlugin.js');
const { loadHtmlRspackPluginFromHost } = RspackMeteorHtmlPlugin;

/**
 * A plugin that composes the original HtmlRspackPlugin from @rspack/core
 * and RspackMeteorHtmlPlugin, in that order.
 */
class HtmlRspackPlugin {
  constructor(options = {}) {
    this.options = options;
  }

  apply(compiler) {
    // Load the original HtmlRspackPlugin from the host project
    const OriginalHtmlRspackPlugin = loadHtmlRspackPluginFromHost(compiler);

    if (!OriginalHtmlRspackPlugin) {
      throw new Error('Could not load HtmlRspackPlugin from host project.');
    }

    // Apply the original HtmlRspackPlugin
    const originalPlugin = new OriginalHtmlRspackPlugin(this.options);
    originalPlugin.apply(compiler);

    // Apply the RspackMeteorHtmlPlugin
    const meteorPlugin = new RspackMeteorHtmlPlugin();
    meteorPlugin.apply(compiler);
  }
}

module.exports = HtmlRspackPlugin;

View on GitHub (pinned to 5076d2f818)

Solutions

1. Install @rspack/core (or the package providing HtmlRspackPlugin) in your project: meteor npm install --save-dev @rspack/core.
2. Ensure the host project's node_modules are installed by running meteor npm install.

When it happens

Trigger: Thrown when the HtmlRspackPlugin package cannot be resolved from the host project's node_modules.

Common situations: The app has not installed @rspack/core / html-rspack-plugin, or node_modules is not installed.

AI-assisted analysis of meteor/meteor@5076d2f818 (2026-08-13). Data as JSON: /api/errors/9c9288194a1fda9e. Report an issue: GitHub.