Oliver Joseph Ash aee338f484 node-fetch: correct Headers.raw type (#27364) ...

* `node-fetch`: add test for `Headers.raw`

* `node-fetch`: `Headers.raw`: add `string[]` to index signature value type

* `node-fetch`: `Headers.raw`: add `undefined` to index signature value type

* `node-fetch`: enable `strictNullChecks` and fix errors

* Revert "`node-fetch`: `Headers.raw`: add `undefined` to index signature value type"

This reverts commit 15ad14d72c42fa1f3ba472bc15f38a88230f3a4f.

* Fix expect type format

* Remove string

2018-07-20 18:01:15 -07:00

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index.d.ts

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node-fetch-tests.ts

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tsconfig.json

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tslint.json

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