chore(cli): `CliArguments` interface generated from config.ts #32556

kaizencc · 2024-12-17T19:01:15Z

This PR:

generates a new type, CliArguments which is an interface created from the cli source-of-truth in config.ts.
renames yargs-gen into cli-args-gen to better reflect what we are generating now

The purpose of CliArguments is to eventually replace our current Arguments type, turning it into a strongly-typed object. Arguments today looks like this:

export type Arguments = {
  readonly _: [Command, ...string[]];
  readonly exclusively?: boolean;
  readonly STACKS?: string[];
  readonly lookups?: boolean;
  readonly [name: string]: unknown;
};

And because the last line in the definition essentially accepts any kind of property, we end up passing in and using values that are not documented anywhere. The purpose of this PR is to introduce a better type to enforce that the args object in cli.ts only holds values we expect. We are not currently using the new type anywhere; that will be done in a subsequent PR.

The success criteria of this PR is that we are generating a new type from the source of truth that will eventually represent the type of the object we receive from CLI inputs.

Part of #32474

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My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

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packages/aws-cdk/lib/cli-arguments.ts

packages/aws-cdk/lib/config.ts

tools/@aws-cdk/cli-args-gen/lib/cli-type-gen.ts

kaizencc · 2024-12-17T19:05:44Z

packages/aws-cdk/lib/cli-arguments.ts

+  /**
+   * The CLI command name followed by any properties of the command
+   */
+  readonly _: Array<string>;


This is supposed to be typed [Command, ...string] but I don't have a good way of doing that via code-gen (enlighten me if you think differently). Instead I plan to validate that the first array element is a valid Command when I am converting the input into this type.

we might also want to pull out the additional elements into its own STACKS property, as that is what the current Arguments type does:

export type Arguments = { readonly _: [Command, ...string[]]; readonly exclusively?: boolean; readonly STACKS?: string[]; readonly lookups?: boolean; readonly [name: string]: unknown; };

You could just not include it hear, keep this interface to just the auto-generated stuff and inside the CLI have an interface extending the codegen'd one with whatever extra types you need.

Misusing ambient should work: Type.ambient('[Command, ...string[]]') You'll have to import Command manually though.

Otherwise we would need proper support for this in typewriter:

A new Type.variadic(elementType: Type)

A new Type.tuple(...elementTypes: Type[])

packages/aws-cdk/lib/cli-arguments.ts

codecov · 2024-12-17T19:15:35Z

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.13%. Comparing base (d5e45c4) to head (5f2d7c7).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #32556      +/-   ##
==========================================
+ Coverage   78.86%   79.13%   +0.26%     
==========================================
  Files         108      107       -1     
  Lines        7165     7131      -34     
  Branches     1319     1319              
==========================================
- Hits         5651     5643       -8     
+ Misses       1330     1304      -26     
  Partials      184      184

Flag	Coverage Δ
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Components	Coverage Δ
packages/aws-cdk	`79.13% <ø> (+0.26%)`	⬆️

aws-cdk-automation · 2024-12-17T20:40:32Z

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A maintainer must now check the pipeline and add the pr-linter/cli-integ-tested label once the pipeline succeeds.

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tools/@aws-cdk/cli-args-gen/test/cli.test.ts

tools/@aws-cdk/cli-args-gen/lib/cli-type-gen.ts

mrgrain

Note: The package rename could have been a separate PR that would be very easy to approve.

Co-authored-by: Momo Kornher <kornherm@amazon.co.uk>

…egenwork

mergify · 2024-12-19T19:08:06Z

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mergify · 2024-12-19T19:47:46Z

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mergify · 2024-12-19T19:47:51Z

This pull request has been removed from the queue for the following reason: pull request dequeued.

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aws-cdk-automation · 2024-12-19T20:19:15Z

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mergify · 2024-12-19T20:19:37Z

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mergify · 2024-12-19T20:19:43Z

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kaizencc · 2024-12-19T21:09:03Z

@Mergifyio refresh

mergify · 2024-12-19T21:09:05Z

refresh

✅ Pull request refreshed

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kaizencc added 4 commits December 17, 2024 13:01

initial codegen

e0c3d68

cli type defined with docs

d06f939

rename yargs-gen into cli-args-gen

14df9b4

more package renaming, + type renamed to CliArguments

dbbd144

kaizencc requested a review from a team as a code owner December 17, 2024 19:01

kaizencc changed the title ~~chore(cli): add CliArguments type generated from config.ts~~ chore(cli): CliArguments type generated from config.ts Dec 17, 2024

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snapshot test

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kaizencc changed the title ~~chore(cli): CliArguments type generated from config.ts~~ chore(cli): CliArguments interface generated from config.ts Dec 17, 2024

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kaizencc and others added 2 commits December 18, 2024 13:47

Update tools/@aws-cdk/cli-args-gen/lib/cli-type-gen.ts

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Co-authored-by: Momo Kornher <kornherm@amazon.co.uk>

Merge branch 'main' into conroy/codegenwork

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import Command enum correctly

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Merge branch 'main' into conroy/codegenwork

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ignore file in codecov

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fix up test

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Merge branch 'main' of https://github.com/aws/aws-cdk into conroy/cod…

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…egenwork

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chore(cli): `CliArguments` interface generated from config.ts #32556

chore(cli): `CliArguments` interface generated from config.ts #32556

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chore(cli): CliArguments interface generated from config.ts #32556

chore(cli): CliArguments interface generated from config.ts #32556

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chore(cli): `CliArguments` interface generated from config.ts #32556

chore(cli): `CliArguments` interface generated from config.ts #32556

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