@azure-tools/typespec-azure-resource-manager/dist/src/rules/beyond-nesting-levels.js

TypeSpec Azure Resource Manager library

import { createRule } from "@typespec/compiler";
import { getParentResource } from "@typespec/rest";
import { isTrackedResource } from "./utils.js";
/**
 * verify if resource nesting beyond 3 levels
 */
export const beyondNestingRule = createRule({
    name: "beyond-nesting-levels",
    severity: "warning",
    description: "Tracked Resources must use 3 or fewer levels of nesting.",
    messages: {
        default: "Tracked Resources must use 3 or fewer levels of nesting.",
    },
    create(context) {
        return {
            model: (model) => {
                let levels = 1;
                if (!isTrackedResource(model)) {
                    return;
                }
                let parent = model;
                while (levels < 4) {
                    parent = getParentResource(context.program, parent);
                    if (parent) {
                        levels++;
                    }
                    else {
                        break;
                    }
                }
                if (levels === 4) {
                    context.reportDiagnostic({
                        target: model,
                    });
                }
            },
        };
    },
});
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