How to Build a Project for ES5 Compatibility on Older TVs

kevinkroj7 · August 5, 2024, 1:28pm

I’m developing an application for an older TV that requires ES5 compatibility. I’m looking for guidance on how to configure my build process to ensure the application works correctly in an ES5 environment.

Has anyone successfully tackled this issue or have any suggestions on how to achieve ES5 compatibility for older TVs?

Thank you in advance for your help!

chiefcll · August 7, 2024, 8:02pm

You can see how the solid demo app builds for es5 here:

github.com

lightning-tv/solid-demo-app/blob/main/vite.config.js

import { defineConfig } from "vite";
import solidPlugin from "vite-plugin-solid";
import legacy from "@vitejs/plugin-legacy";
import hexColorTransform from "@lightningtv/vite-hex-transform";

export default defineConfig({
  plugins: [
    hexColorTransform(),
    solidPlugin({
      solid: {
        moduleName: "@lightningtv/solid",
        generate: "universal",
      },
    }),
    legacy({
      targets: ["defaults", "Chrome >= 49"],
      // additionalLegacyPolyfills: ["whatwg-fetch", "es6-proxy-polyfill"],
    }),
  ],
  build: {

This file has been truncated. show original

I’ve tested it and it works on Chrome 49+

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How to Build a Project for ES5 Compatibility on Older TVs

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