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[vue-component-meta] union types values not generated anymore #6011

@michaelcozzolino

Description

@michaelcozzolino

Vue - Official extension or vue-tsc version

3.2.6

VSCode version

I do not use vs code

Vue version

3.5.31

TypeScript version

6.0.2

System Info

System:
    OS: Linux 6.8 Ubuntu 24.04.4 LTS 24.04.4 LTS (Noble Numbat)
    CPU: (8) x64 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
    Memory: 15.19 GB / 30.23 GB
    Container: Yes
    Shell: 5.2.21 - /bin/bash
  Binaries:
    Node: 24.13.0 - /home/michael/.nvm/versions/node/v24.13.0/bin/node
    Yarn: 4.13.0 - /home/michael/.nvm/versions/node/v24.13.0/bin/yarn
    npm: 11.12.1 - /home/michael/.nvm/versions/node/v24.13.0/bin/npm
    bun: 1.2.8 - /home/michael/.bun/bin/bun
  Browsers:
    Brave Browser: 146.1.88.136
    Chrome: 146.0.7680.164
    Firefox: 148.0.2
    Firefox Developer Edition: 148.0.2

package.json dependencies

Steps to reproduce

I have the following types

export type Alignment = 'left' | 'center' | 'right';

export interface Alignable {
    /** The component's alignment */
    alignment?: Alignment;
}

My scripts generates the data, something like

const checkerOptions: MetaCheckerOptions = {
        printer: { newLine: 1 },
    };

    const tsconfigChecker = createChecker(
        resolve(corePath, 'tsconfig.build.json'),
        checkerOptions,
    );
....
tsconfigChecker.getComponentMeta(componentPath);

Before 3.2.x the generated output was:

{
                "name": "alignment",
                "global": false,
                "description": "The component's alignment",
                "tags": [],
                "required": false,
                "type": "Alignment | undefined",
                "declarations": [
                    {
                        "file": "https://github.com/michaelcozzolino/flyonui-vue/blob/3.x/packages/core/src/Lib/UseAlignment/Types/Alignment.ts",
                        "range": [
                            310,
                            332
                        ]
                    }
                ],
                "schema": {
                    "kind": "enum",
                    "type": "Alignment | undefined",
                    "schema": [
                        "undefined",
                        "\"left\"",
                        "\"right\"",
                        "\"center\""
                    ]
                },
                "default": "\"left\""
            },

now from 3.2.x it is

{
                "name": "alignment",
                "global": false,
                "default": "\"left\"",
                "description": "The component's alignment",
                "tags": [],
                "required": false,
                "type": "Alignment | undefined",
                "schema": "Alignment | undefined",
                "declarations": []
            },

the declaration paths and the schema with the different values have disappeared

What is expected?

the declaration paths and the schema with the different values should stay there

What is actually happening?

the declaration paths and the schema with the different values have disappeared

Link to minimal reproduction

No response

Any additional comments?

No response

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