@azure-tools/typespec-azure-resource-manager/dist/src/rules/arm-resource-key-invalid-chars.js

TypeSpec Azure Resource Manager library

import { createRule, getKeyName, paramMessage } from "@typespec/compiler";
import { getDecoratorParam, isInternalTypeSpec, isResource, isValidKey } from "./utils.js";
export const armResourceKeyInvalidCharsRule = createRule({
    name: "arm-resource-key-invalid-chars",
    severity: "warning",
    description: "Arm resource key must contain only alphanumeric characters.",
    messages: {
        default: paramMessage `'${"key"}' is an invalid path parameter name. Parameters must consist of alphanumeric characters starting with a lower case letter.`,
    },
    create(context) {
        return {
            model: (model) => {
                if (!isInternalTypeSpec(context.program, model) &&
                    isResource(model) &&
                    model.properties.has("name")) {
                    const nameProperty = model.properties.get("name");
                    const key = getKeyName(context.program, nameProperty);
                    if (key !== undefined && !isValidKey(key)) {
                        context.reportDiagnostic({
                            format: { key: key },
                            target: getDecoratorParam(nameProperty, "key")?.node ?? nameProperty,
                        });
                    }
                }
            },
        };
    },
});
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