[Bug]: Running in ESM (*.mjs) returns "ERROR : use init before" #186

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1. SunboX commented on Jan 23, 2023

   

   SunboX

   on Jan 23, 2023

   Last edited by SunboX

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   Running it on macOS:

   $ node app.mjs 
   
   darwin
   (node:12343) UnhandledPromiseRejectionWarning: Error: ERROR : use init before
       at Module.exports.scan (/xxx/node_modules/node-wifi/src/wifi.js:77:9)
       at Function.start (file:///xxx/app.mjs:14:14)
       at file:///xxx/app.mjs:24:5
       at ModuleJob.run (internal/modules/esm/module_job.js:183:25)
       at async Loader.import (internal/modules/esm/loader.js:178:24)
       at async Object.loadESM (internal/process/esm_loader.js:68:5)
   (Use `node --trace-warnings ...` to show where the warning was created)
   (node:12343) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
   (node:12343) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
   

   👀React with 👀1Reacted by Giuseppe Chirico
2. zN3utr4l commented on Nov 21, 2024

   

   zN3utr4l

   on Nov 21, 2024

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   When using type: "module", importing a CommonJS such as node-wifi requires special attention. node-wifi does not natively support ESM, so you must use the createRequire method of Node.js.

   import { createRequire } from 'module';
   const require = createRequire(import.meta.url);
   
   const wifi = require('node-wifi');