Overview of the issue

Compodoc is using package @babel/plugin-proposal-private-methods which has been deprecated from @babel/preset-env.

Error [ERR_MODULE_NOT_FOUND]: Cannot find package '@babel/plugin-proposal-private-methods' imported from /Users/admin/Documents/node_modules/@compodoc/compodoc/dist/babel-virtual-resolve-base.js

Operating System, Node.js, npm, compodoc version(s)

OS: mac 13.4.1 (22F82)
npm: v8.19.2
node: v18.12.1
compodoc: v1.1.21

Compodoc installed globally or locally ?

locally

Suggest a Fix

Use package @babel/plugin-transform-private-methods.