Unrecognized import extension ？

[sk142857]

[15:59:06] ERR! dependence Message:
[15:59:06] ERR! dependence   Unrecognized import extension: /home/simon/WebstormProjects/wepy-demo/node_modules/mime-db/db.json
[15:59:06] ERR! dependence File:
[15:59:06] ERR! dependence   /home/simon/WebstormProjects/wepy-demo/node_modules/mime-db/db.json
[15:59:06] ERR! dependence Snapshot:
[15:59:06] ERR! dependence   10 |  */
[15:59:06] ERR! dependence   11 |
[15:59:06] ERR! dependence > 12 | module.exports = require('./db.json')
[15:59:06] ERR! dependence      |                 ^^^^^^^^^^^^^^^^^^^^ Unrecognized import extension: /home/simon/WebstormProjects/wepy-demo/node_modules/mime-db/db.json
[15:59:06] ERR! dependence   13 |

[weimingxinas]

提供下可复现的代码片段看看