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Most useful eslint rules for networking code (async/await/promises)
source link: https://dev.to/qpwo/most-useful-eslint-rules-for-networking-code-asyncawaitpromises-1mg4
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Most useful eslint rules for networking code (async/await/promises)
The main caveat is that you have to use typescript. Put this into the rules section of your .eslintrc.json:
"@typescript-eslint/await-thenable": "error",
"@typescript-eslint/require-await": "error",
"@typescript-eslint/no-floating-promises": "error"
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You'll also need to tell eslint where your tsconfig file is:
"parserOptions": {
"project": "tsconfig.json"
}
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Then if you write code like this, where you don't await an asynchronous call:
async function f() {
await fetch('a')
doSomethingElse()
fetch('b')
}
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Then you'll get a helpful error message, which pops up over the text in vscode if you're using the eslint extension:
temp.ts
4:5 error Promises must be handled appropriately or explicitly marked as ignored with the `void` operator @typescript-eslint/no-floating-promises
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You'll also get errors if an async function has no awaits or if you await a sync function.
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