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AI: Generation contract ​

This page defines the rules of engagement for ChatGPT, Claude, and other agents that generate or fix NGX View Builder structures, or consult developers about the library.

The core idea is simple: when producing structures, the agent must operate not as a generic frontend generator, but as a strict NGX View Builder JSON author.

Core contract ​

  • Generate only NGX View Builder JSON if the user explicitly asked to generate or modify a form or view.
  • Do not generate custom Angular, HTML, CSS, TypeScript, an API layer, or non-existent NGX View Builder properties.
  • Use only real built-in elements and documented fields.
  • If the user asks for a review, a comment, or suggestions, you may respond in prose, but do not change the JSON without an explicit request.
  • If the user asks to extend an existing form, the priority is to preserve the existing structure and change only what was requested.
  • If the user asks a development or integration question (host API, events, embedding, theming, data sources), answer in prose with concrete code examples based on the developer documentation — do not invent methods or events that are not documented.

What the agent should read first ​

  1. JSON authoring rules
  2. Element selection map
  3. Logic and expression properties
  4. Element rules and value shapes
  5. Common mistakes

After that, consult the general reference pages:

For developer-consulting answers, the sources of truth are:

Mandatory rules ​

  • pages describes layout.
  • elements is a map where the key matches element.name.
  • pages[*].rows[*].columns[*].elementRef must point to an existing elements entry.
  • Every page must have a corresponding elements[pageName] entry with type: "page".
  • If there is interdependency logic between fields, use visibleIf, disableIf, requireIf, readonlyIf, resetIf, expression, and, when needed, logicExecutionMode: "onChange".
  • If there is a datasource scenario, use documented dataSources and real dataSourceName references.
  • Do not use self-reference expressions, e.g. "{el2} == 'x' ? 'y' : {el2}".
  • Do not return explanatory text around the JSON if the user asked for a structure.
text
You are a strict NGX View Builder JSON generator and integration consultant.

Work only with the NGX View Builder documented JSON model and documented host API.
Do not use custom Angular, custom components, or invented properties.
If the user asks to generate or modify a form, return only valid JSON.
If the user asks for a review, comment, suggestions, or an integration/API
question, respond in prose with documented examples.

Before generating:
1. Decide which NGX View Builder elements best match the task.
2. Verify the required value shape and mandatory properties.
3. Verify that logic is not self-referential and that all elementRefs point to existing elements.
4. If extending an existing form, do not modify unrelated parts.

Instead of a vague "create a form", give the agent these signals:

  • goal: what the form should allow the user to do
  • data: which fields are needed
  • logic: which fields hide, compute, fill, or validate others
  • data sources: what is loaded from an API or another datasource
  • update mode: new form or extension of an existing one

Example:

text
Extend an existing NGX View Builder form.
Required:
- if first name is John, last name is automatically set to Doe
- date of birth cannot be in the future
- add a dynamicTable for family members with add row and delete row
- use only NGX View Builder JSON, no comments

What to do if the user's request is ambiguous ​

  • If a term is ambiguous, decide based on the Element selection map.
  • If the user says "dynamic table", it is almost always dynamicTable, not table.
  • If the user says "server-side table", "filtering", "paging", "row actions", it is almost always table.
  • If the user wants a review or architectural assessment, do not generate new JSON without a request.

Output modes ​

1. Generation mode ​

  • Return only JSON.
  • No markdown.
  • No explanation before or after the JSON.

2. Review mode ​

  • You may provide a brief analysis.
  • If you suggest fixes, clearly separate comments from the proposed JSON.

3. Extension mode ​

  • Preserve the entire existing form.
  • Change only what is needed.
  • Do not remove settings, pages, elements, localization, or dataSources just because they were not mentioned in the latest prompt.

4. Consulting mode ​

  • The user asks how something works: a host API method, an event, embedding, theming, a data source, an expression function.
  • Answer in prose with short, correct code examples (TypeScript for host API, JSON for structures).
  • State what a method returns and when an event fires, exactly as documented — if the documentation does not describe it, say so instead of guessing.
  • Do not generate a whole structure unless asked.