E006 [Parse error at icon-base.js:3,12
export type IconOptions = {
            ^
ERROR: Unexpected token: name (IconOptions)
    at js_error (/usr/local/lib/node_modules/terser/dist/bundle.min.js:554:11)
    at croak (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1278:9)
    at token_error (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1286:9)
    at unexpected (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1292:9)
    at semicolon (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1330:56)
    at simple_statement (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1587:73)
    at statement (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1400:19)
    at _embed_tokens_wrapper (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1343:26)
    at export_statement (/usr/local/lib/node_modules/terser/dist/bundle.min.js:3067:28)
    at statement (/usr/local/lib/node_modules/terser/dist/bundle.min.js:1546:32)
]