I am currently using ESLint for TypeScript linting. I want to set up ESLint in a way that requires imports to be either all on separate lines or all on a single line.
Example of what is not allowed:
import {
a, b,
c,
d
} from "letters";
Allowed formats:
import { a, b, c, d } from "letters";
Or:
import {
a,
b,
c,
d
} from "letters";
Is it possible to configure ESLint this way, and if so, how can it be done?
I dedicated 4-5 hours yesterday to tackle this issue.
For a quick fix, check out https://github.com/SeinopSys/eslint-plugin-import-newlines (an eslint plugin).
Follow these simple steps to fulfill your needs:
npm install eslint-plugin-import-newlines --save-devimport-newlines in the plugin section of your .eslintrc configuration file as shown below.{
plugins: ['import-newlines'],
}
import-newlines/enforce into the rules section of your .eslintrc configuration file as displayed (default setting).{
rules: {
'import-newlines/enforce': 'error',
}
}
or (my custom rule)
{
rules: {
'import-newlines/enforce': ['error', { items: 40, 'max-len': 120 }],
}
}
Here's how my rule functions:
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