Refactor: Remove lodash.get dependency

[J3m5]

Eliminate the lodash.get dependency and replace its usage with optional chaining, default values and type narrowing.

close #146

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🟢	Lines	70.87% (🎯 70%)	292 / 412
🟢	Statements	70.91% (🎯 70%)	295 / 416
🟢	Functions	73.23% (🎯 70%)	52 / 71
🟢	Branches	61.04% (🎯 58%)	246 / 403

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
src/hydra/parseHydraDocumentation.ts	87.4%	78.26%	91.66%	87.31%	34, 61-63, 69, 77-79, 83-85, 105-111, 117, 124-126, 207, 222, 280, 291-296, 381
src/openapi3/handleJson.ts	88.11%	72%	95%	88%	49, 66-70, 90, 169, 213, 220, 228, 240, 251, 319
src/swagger/handleJson.ts	80.76%	65.21%	100%	80.76%	10, 25, 34, 40, 46

Generated in workflow #225 for commit 01354c9 by the Vitest Coverage Report Action

[Copilot]

Pull Request Overview

This PR removes the dependency on lodash.get by replacing its usage with modern optional chaining, default value logic, and type narrowing.

• Removed lodash.get from all modules and replaced with native JavaScript alternatives.
• Refactored JSON property lookups in Swagger, OpenAPI3, and Hydra documentation handling.
• Updated package.json to drop the lodash.get dependency.

Reviewed Changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated no comments.

File	Description
src/swagger/handleJson.ts	Replaces lodash.get with optional chaining and improved error handling.
src/openapi3/handleJson.ts	Introduces helper functions for schema extraction using native JS patterns.
src/hydra/parseHydraDocumentation.ts	Updates property access via optional chaining and tighter type checks.
package.json	Removes unused lodash.get dependency.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

Comments suppressed due to low confidence (1)

src/swagger/handleJson.ts:40

• Consider providing a descriptive error message rather than a generic Error to help diagnose issues.

throw new Error(); // @TODO