rollup 2.11 gave me error

[lightingland]

plugins in rollup.config.js:

import svelte from 'rollup-plugin-svelte'
import resolve from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import { terser } from 'rollup-plugin-terser'
import sveltePreprocess from 'svelte-preprocess'
import { _preprocess__svg as svg } from '@ctx-core/svg/svelte'
import { _preprocess as ctxcore } from '@ctx-core/svelte/preprocess'

error log ==============================================
[!] SyntaxError: Cannot use import statement outside a module
/home/node/my-svelte/node_modules/@ctx-core/svg/svelte.js:1
import { extname } from 'path';
^^^^^^

SyntaxError: Cannot use import statement outside a module
at wrapSafe (internal/modules/cjs/loader.js:1054:16)
at Module._compile (internal/modules/cjs/loader.js:1102:27)
at Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
at require.extensions. (/home/node/my-svelte/node_modules/rollup/dist/shared/loadConfigFile.js:519:13)
at Object.require.extensions. [as .js] (/home/node/my-svelte/node_modules/rollup/dist/shared/loadConfigFile.js:519:13)
at Module.load (internal/modules/cjs/loader.js:986:32)
at Function.Module._load (internal/modules/cjs/loader.js:879:14)
at Module.require (internal/modules/cjs/loader.js:1026:19)
at require (internal/modules/cjs/helpers.js:72:18)
at Object. (/home/node/my-svelte/rollup.config.js:12:16)

[lightingland]

Since commonjs() used to convert other cjs module to es6. How the natural born es6 plugin like ctx-core/svg co-work with commonjs module?
commonjs({ transformMixedEsModules: true, })
seems doesn't help.
check this out:
rollup/plugins#302