in my old project , using webpack 1.x. And I use esbuild-loader replace babel-loader will print error

` building for production.../Users/wanglihui/WebstoreProject/onionfph5/project/node_modules/esbuild-loader/dist/plugin.js:12
compiler.hooks.thisCompilation.tap('esbuild', compilation => {
^

TypeError: Cannot read property 'thisCompilation' of undefined

Describe the bug
On the frontend, the embed post block generates an iframe that loads the embedded posts, but when the Lazyload for iframes is enabled, embedded posts are not loaded in the Chrome browser.

Lazy load status for iframe does not change from data-ll-status="loading" to data-ll-status="loaded".

On Firefox embedded post iframe is lazy loaded.

To Reproduce
Steps to

Add 'since' information to plugin configuration parameters by inspecting the commit history.