generate client code command

[alharris-at]

Issue #, if available:
N/A

Description of changes:
Add the generate graphql-client-code command to the CLI.

Help Output:

➜  samsara-cli git:(generate-client-code-command) ✗ amplify generate graphql-client-code --help
amplify generate graphql-client-code

Generates graphql API code

Stack identifier
  --stack  A stack name that contains an Amplify backend                [string]

Project identifier
  --appId   The Amplify App ID of the project                           [string]
  --branch  A git branch of the Amplify project                         [string]

Options:
  --version          Show version number                               [boolean]
  --help             Show help                                         [boolean]
  --out              A path to directory where config is written. If not provide
                     d defaults to current process working directory.   [string]
  --format           The format that the GraphQL client code should be generated
                      in.
              [string] [choices: "graphql-codegen", "introspection", "modelgen"]
  --modelTarget      The modelgen export target. Only applies when the `--format
                     ` parameter is set to `modelgen`
         [string] [choices: "java", "swift", "javascript", "typescript", "dart"]
  --statementTarget  The graphql-codegen statement export target. Only applies w
                     hen the `--format` parameter is set to `graphql-codegen`
    [string] [choices: "javascript", "graphql", "flow", "typescript", "angular"]
  --typeTarget       The optional graphql-codegen type export target. Only appli
                     es when the `--format` parameter is set to `graphql-codegen
                     `
  [string] [choices: "json", "swift", "ts", "typescript", "flow", "scala", "flow
                                                            -modern", "angular"]
  --all              Show hidden options                               [boolean]

Extended Help Output (including all feature flags):

➜  samsara-cli git:(generate-client-code-command) ✗ amplify generate graphql-client-code --help --all
amplify generate graphql-client-code

Generates graphql API code

Stack identifier
  --stack  A stack name that contains an Amplify backend                [string]

Project identifier
  --appId   The Amplify App ID of the project                           [string]
  --branch  A git branch of the Amplify project                         [string]

Options:
  --version                                 Show version number        [boolean]
  --help                                    Show help                  [boolean]
  --out                                     A path to directory where config is
                                            written. If not provided defaults to
                                             current process working directory.
                                                                        [string]
  --format                                  The format that the GraphQL client c
                                            ode should be generated in.
              [string] [choices: "graphql-codegen", "introspection", "modelgen"]
  --modelTarget                             The modelgen export target. Only app
                                            lies when the `--format` parameter i
                                            s set to `modelgen`
         [string] [choices: "java", "swift", "javascript", "typescript", "dart"]
  --statementTarget                         The graphql-codegen statement export
                                             target. Only applies when the `--fo
                                            rmat` parameter is set to `graphql-c
                                            odegen`
    [string] [choices: "javascript", "graphql", "flow", "typescript", "angular"]
  --typeTarget                              The optional graphql-codegen type ex
                                            port target. Only applies when the `
                                            --format` parameter is set to `graph
                                            ql-codegen`
  [string] [choices: "json", "swift", "ts", "typescript", "flow", "scala", "flow
                                                            -modern", "angular"]
  --modelGenerateIndexRules                 Adds key/index details to iOS models
                                                                       [boolean]
  --modelEmitAuthProvider                   Adds auth provider details to iOS mo
                                            dels                       [boolean]
  --modelRespectPrimaryKeyAttributesOnConn  If enabled, datastore queries will r
  ectionField                               espect the primary + sort key fields
                                            , rather than a defaut id field
                                                                       [boolean]
  --modelGenerateModelsForLazyLoadAndCusto  Generates lazy model type definition
  mSelectionSet                             s, required or amplify-js v5+
                                                                       [boolean]
  --modelAddTimestampFields                 Add read-only timestamp fields in mo
                                            delgen.                    [boolean]
  --modelHandleListNullabilityTransparentl  Configure the nullability of the Lis
  y                                         t and List components in Datastore M
                                            odels generation           [boolean]
  --statementMaxDepth                       Determines how deeply nested to gene
                                            rate graphql statements.    [number]
  --statementTypenameIntrospection          Determines whether to include defaul
                                            t __typename for all generated state
                                            ments                      [boolean]
  --typeMultipleSwiftFiles                  Determines whether or not to generat
                                            e a single API.swift, or multiple pe
                                            r-model swift files.       [boolean]
  --all                                     Show hidden options        [boolean]

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[changeset-bot]

🦋 Changeset detected

Latest commit: 57152fc

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@aws-amplify/backend-cli	Minor

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[sobolk]

Looks good overall.