Function collectExtResultFieldDefs

packages/orm/src/client/client-impl.ts:936–967

* Collects extended result field definitions from all plugins for a given model.

(
    model: string,
    schema: SchemaDef,
    plugins: AnyPlugin[],
)

 * Collects extended result field definitions from all plugins for a given model.
 */
function collectExtResultFieldDefs(
    model: string,
    schema: SchemaDef,
    plugins: AnyPlugin[],
): Map<string, ExtResultFieldDef> {
    const defs = new Map<string, ExtResultFieldDef>();
    for (const plugin of plugins) {
        const resultConfig = plugin.result;
        if (resultConfig) {
            const modelConfig = resultConfig[lowerCaseFirst(model)];
            if (modelConfig) {
                for (const [fieldName, fieldDef] of Object.entries(modelConfig)) {
                    if (getField(schema, model, fieldName)) {
                        throw new Error(
                            `Plugin "${plugin.id}" registers ext result field "${fieldName}" on model "${model}" which conflicts with an existing model field`,
                        );
                    }
                    for (const needField of Object.keys((fieldDef as ExtResultFieldDef).needs ?? {})) {
                        const needDef = getField(schema, model, needField);
                        if (!needDef || needDef.relation) {
                            throw new Error(
                                `Plugin "${plugin.id}" registers ext result field "${fieldName}" on model "${model}" with invalid need "${needField}"`,
                            );
                        }
                    }
                    defs.set(fieldName, fieldDef as ExtResultFieldDef);
                }
            }
        }
    }
    return defs;
}

/**
 * Prepares query args for extended result fields (recursive):