Invalid Schema Data Improvements

[XVincentX]

We are transforming user input, we cannot assume the data property will actually be a Schema without doing some validation on it somewhere in the code.

Because of this, we're putting guards as isObject although the type should already guarantee that.

• https://github.com/stoplightio/http-spec/blob/master/src/oas2/transformers/getExamplesFromSchema.ts#L5
• https://github.com/stoplightio/http-spec/blob/master/src/oas2/transformers/responses.ts#L22

• http-spec/src/oas2/transformers/params.ts

  Line 80 in f2f0acb

  get(body, 'x-examples') || (body.schema ? getExamplesFromSchema(body.schema) : void 0),

Reference: #106 (comment)