TypeError [ERR_UNKNOWN_FILE_EXTENSION] [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".json" for

[acomito]

We can't import a json file in node 14+ using import syntax?

[RaisinTen]

You can using --experimental-json-modules though it is still experimental now.
Ref: https://nodejs.org/api/esm.html#esm_json_modules

[AhmadRaza9]

TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".json" for D:\Installations\laragon\www\wp-pre-theme\wp-content\themes\firsttheme\package.json
at Loader.defaultGetFormat [as _getFormat] (internal/modules/esm/get_format.js:71:15)
at Loader.getFormat (internal/modules/esm/loader.js:102:42)
at Loader.getModuleJob (internal/modules/esm/loader.js:231:31)
at async ModuleWrap. (internal/modules/esm/module_job.js:58:21)
at async Promise.all (index 10)
at async link (internal/modules/esm/module_job.js:63:9) {
code: 'ERR_UNKNOWN_FILE_EXTENSION'