Issue with local refs in local schema when ID does not end with file name

[rlh1994]

Describe the bug

When a local JSON schema file has an ID that does not end with the file name, it is unable to resolve any local references to other local schemas.

This is a new issue since version 1.20.0, is not fixed in 1.20.1 and I think is similar to #1184.

Expected Behavior

$ref: "./repro_defs.json" should resolve relative to the local schema file, find the other local schema, and provide validation.

Current Behavior

The extension resolves ./repro_defs.json against the schema's $id (https://example.com/schemas/repro-main-v1), producing https://example.com/schemas/repro_defs.json, then fails with:

Problems loading reference 'https://example.com/schemas/repro_defs.json': Unable to load schema from 'https://example.com/schemas/repro_defs.json': No content.

Steps to Reproduce

Create repro_defs.json:

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.com/schemas/repro-defs-v1",
  "title": "Shared Defs",
      "type": "object",
      "properties": {
        "name": { "type": "string" },
        "age": { "type": "integer" }
      },
      "required": ["name"]
}

Create repro_main_schema.json in the same directory:

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.com/schemas/repro-main-v1",
  "title": "Main Schema",
  "type": "object",
  "properties": {
    "team": { "type": "string" },
    "members": {
      "type": "array",
      "items": {
        "$ref": "./repro_defs.json#/$defs/Person"
      }
    }
  },
  "required": ["team", "members"]
}

Create repro_test.yaml in the same directory:

# yaml-language-server: $schema=/absolute/path/to/repro_main_schema.json
team: platform
members:
  - name: Alice
    age: 30

Open repro_test.yaml in VS Code — error appears on team.

This however is fixed, if you replace the IDs of the primary schema with https://example.com/schemas/repro_main_schema.json. There should be no requirement for the ID of the schema to match the local filename based on how I understand the spec.

Environment

• Windows
• Mac
• Linux
• other (please specify)