Error with npm start, could be dependencies?

[kuwts]

Whenever running npm start, I keep getting this error response:

npm start
(node:56504) ExperimentalWarning: The fs.promises API is experimental

> eleventastic@1.0.0 start
> npm run dev

(node:56505) ExperimentalWarning: The fs.promises API is experimental

> eleventastic@1.0.0 dev
> run-s clean eleventy:dev --print-label

[clean       ] (node:56510) ExperimentalWarning: The fs.promises API is experimental
[clean       ] 
[clean       ] > eleventastic@1.0.0 clean
[clean       ] > del-cli dist
[clean       ] 
[clean       ] /Users/dancutz/Downloads/JustBet-master/node_modules/del-cli/cli.js:2
[clean       ] import meow from 'meow';
[clean       ]        ^^^^
[clean       ] 
[clean       ] SyntaxError: Unexpected identifier
[clean       ]     at Module._compile (internal/modules/cjs/loader.js:723:23)
[clean       ]     at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
[clean       ]     at Module.load (internal/modules/cjs/loader.js:653:32)
[clean       ]     at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
[clean       ]     at Function.Module._load (internal/modules/cjs/loader.js:585:3)
[clean       ]     at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
[clean       ]     at startup (internal/bootstrap/node.js:283:19)
[clean       ]     at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
ERROR: "clean" exited with 1.