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[express_v4.16.x] Deprecated utility. Using `$Subtype` types is not recommended

See original GitHub issue

When using flow 0.89 with the deprecated-utility lint rule enabled (related to #2991) the following warnings are shown:

Warning ---------------------------------------------------------------------- interfaces.flow/express_v4.16.x.js:123:12

Deprecated utility. Using `$Subtype` types is not recommended! (`deprecated-utility`)

   123|       req: $Subtype<express$Request>,
                   ^^^^^^^^^^^^^^^^^^^^^^^^^


Warning ---------------------------------------------------------------------- interfaces.flow/express_v4.16.x.js:129:12

Deprecated utility. Using `$Subtype` types is not recommended! (`deprecated-utility`)

   129|       req: $Subtype<express$Request>,
                   ^^^^^^^^^^^^^^^^^^^^^^^^^


Warning ---------------------------------------------------------------------- interfaces.flow/express_v4.16.x.js:192:12

Deprecated utility. Using `$Subtype` types is not recommended! (`deprecated-utility`)

   192|       req: $Subtype<express$Request>,
                   ^^^^^^^^^^^^^^^^^^^^^^^^^

Issue Analytics

State:
Created 5 years ago
Reactions:6
Comments:9 (5 by maintainers)

Top GitHub Comments

5reactions

emmenkocommented, May 2, 2019

I turned off the deprecated utility lint rule

[lints]
deprecated-utility=off

Someone would need to update the express types I guess, then we can turn the rule back on.

2reactions

AndrewSouthpawcommented, May 18, 2019

I’d say go ahead and create a PR. As long as the extant tests are passing, let’s move forward. If it breaks other stuff, we can either fix it at that point or roll back this change.

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