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Tim van der Lippe fdbd42e2f8 Add eslint-import-plugin to node_modules

Will be used to make sure no default exports are in DevTools.

The PRESUBMIT.py has been updated to skip running the formatting check
if node_modules files are affected, to workaround crbug.com/1068198.

DISABLE_THIRD_PARTY_CHECK=Add plugin to node_modules

Bug: 1068198
Change-Id: I04d4dc813daa01099f21d40edf47aaefcc0b045f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2135610
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>

2020-04-07 14:27:34 +00:00

2.0 KiB

Raw Blame History

import/no-anonymous-default-export

Reports if a module's default export is unnamed. This includes several types of unnamed data types; literals, object expressions, arrays, anonymous functions, arrow functions, and anonymous class declarations.

Ensuring that default exports are named helps improve the grepability of the codebase by encouraging the re-use of the same identifier for the module's default export at its declaration site and at its import sites.

Options

By default, all types of anonymous default exports are forbidden, but any types can be selectively allowed by toggling them on in the options.

The complete default configuration looks like this.

"import/no-anonymous-default-export": ["error", {
  "allowArray": false,
  "allowArrowFunction": false,
  "allowAnonymousClass": false,
  "allowAnonymousFunction": false,
  "allowCallExpression": true, // The true value here is for backward compatibility
  "allowLiteral": false,
  "allowObject": false
}]

Rule Details

Fail

export default []

export default () => {}

export default class {}

export default function () {}

/* eslint import/no-anonymous-default-export: [2, {"allowCallExpression": false}] */
export default foo(bar)

export default 123

export default {}

Pass

const foo = 123
export default foo

export default class MyClass() {}

export default function foo() {}

/* eslint import/no-anonymous-default-export: [2, {"allowArray": true}] */
export default []

/* eslint import/no-anonymous-default-export: [2, {"allowArrowFunction": true}] */
export default () => {}

/* eslint import/no-anonymous-default-export: [2, {"allowAnonymousClass": true}] */
export default class {}

/* eslint import/no-anonymous-default-export: [2, {"allowAnonymousFunction": true}] */
export default function () {}

export default foo(bar)

/* eslint import/no-anonymous-default-export: [2, {"allowLiteral": true}] */
export default 123

/* eslint import/no-anonymous-default-export: [2, {"allowObject": true}] */
export default {}

2.0 KiB Raw Blame History