Package Exports

eslint-etc

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Readme

eslint-etc

More utils for use with eslint.

I use these utils to implement and test my own ESLint rules. That's their primary purpose, so the documentation is ... light.

fromFixture

fromFixture allows TSLint-like fixtures to be used to test ESlint rules. Using fixtures means that you don't have to specify lines and columns. Instead, you underline the failure locations within the fixture, like this:

fromFixture(stripIndent`
  const name = "alice";
        ~~~~ [whoops { "identifier": "name" }]
`);

which is equivalent to the following:

{
  code: `const name = "alice";`,
  column: 7,
  endColumn: 11,
  line: 1,
  endLine: 1,
  messageId: "whoops",
  data: {
    identifier: "name",
  },
}

Specifying data in the fixture is optional. If it's omitted, data defaults to {}.