kcl-lang / cli / 33302197123

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main: 31%

Pull #378

github

feat(cli): add --identifier flag to kcl import for assigning data to a name (fixes #1868)

Adds a new `-i` / `--identifier` flag to `kcl import` that wraps the generated
free-standing dict literal in `<name> = { ... }`, so the result can be
referenced as `import <file> as ns; ns.<name>` from another KCL file.

Behaviour:

* Data modes (`json`, `yaml`, `toml`, and `auto` when every input has a
  data extension) wrap the literal.
* Schema modes (`jsonschema`, `gostruct`, `openapi`, `crd`,
  `terraformschema`) ignore the flag because their output contains
  named `schema ...:` declarations that cannot be assigned to a name.

Example:

    $ kcl import -m yaml -i userData data.yaml
    $ cat user_data.k
    """
    This file was generated by the KCL auto-gen tool. DO NOT EDIT.
    Editing this file might prove futile when you re-run the KCL auto-gen generate command.
    """

    userData = {
            name = "alice"
            age = 30
    }

    $ cat consumer.k
    import user_data as ud
    result = ud.userData.name
    $ kcl run consumer.k
    result: alice

The implementation adds three small helpers in `pkg/options/import.go`:
`writeGenKcl`, `shouldWrapData`, and `wrapDataLiteral`. The latter two are
pure functions that don't depend on kcl-go internals, so they remain
straightforward to follow.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Peefy <xpf6677@163.com>

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