@azure-tools/typespec-azure-resource-manager/dist/src/rules/unsupported-type.js

TypeSpec Azure Resource Manager library

import { createRule, isType, paramMessage } from "@typespec/compiler";
const UnsupportedIntrinsicModel = new Set(["int8", "int16", "uint8", "uint16", "uint32", "uint64"]);
/**
 * Validation related to versioning.
 */
export const unsupportedTypeRule = createRule({
    name: "unsupported-type",
    severity: "warning",
    description: "Check for unsupported ARM types.",
    url: "https://azure.github.io/typespec-azure/docs/libraries/azure-resource-manager/rules/unsupported-type",
    messages: {
        default: paramMessage `Model type '${"typeName"}' is not supported in Azure resource manager APIs.`,
    },
    create(context) {
        return {
            modelProperty: (property) => {
                checkUnsupportedType(property.type, property);
            },
            operation: (op) => {
                checkUnsupportedType(op.returnType, op);
            },
        };
        function checkUnsupportedType(type, target) {
            if (type.kind !== "Scalar" && type.kind !== "Model") {
                return;
            }
            if (type.kind === "Scalar") {
                if (UnsupportedIntrinsicModel.has(type.name)) {
                    context.reportDiagnostic({
                        format: { typeName: type.name },
                        target,
                    });
                }
            }
            if (type.templateMapper) {
                for (const templateArg of type.templateMapper.args) {
                    if (isType(templateArg)) {
                        checkUnsupportedType(templateArg, target);
                    }
                }
            }
        }
    },
});
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