export function resolveGraphDBQueryFromEvent()

in templates/JSResolverOCHTTPS.js [55:108]
46 lines of code
6 McCabe index (conditional complexity)

export function resolveGraphDBQueryFromEvent(event) {
    const fieldDef = getFieldDef(event.field);

    const args = [];
    for (const inputDef of fieldDef.arguments ?? []) {
        const value = event.arguments[inputDef.name.value];

        if (value) {
            const inputType = typeFromAST(schema, inputDef.type);
            const astValue = astFromValue(value, inputType);
            if (inputType instanceof GraphQLInputObjectType) {
                // retrieve an ID field which may not necessarily be named 'id'
                const idField = Object.values(inputType.getFields()).find(field => field.type.name === GraphQLID.name);
                if (idField) {
                    // check if id was an input arg
                    const idValue = astValue.fields.find(f => f.name.value === idField.name);
                    if (idValue?.value?.kind === 'IntValue') {
                        // graphql astFromValue function can convert ID integer strings into integer type
                        // if input args contain an id and the graphql library has interpreted the value as an int, change it to treat the value as a string
                        idValue.value.kind = 'StringValue';
                    }
                }
            }
            args.push({
                kind: 'Argument',
                name: { kind: 'Name', value: inputDef.name.value },
                value: astValue
            });
        }
    }

    const fieldNode = {
        kind: 'Field',
        name: { kind: 'Name', value: event.field },
        arguments: args,
        selectionSet: event.selectionSet
    };
    const obj = {
        kind: 'Document',
        definitions: [
            {
                kind: 'OperationDefinition',
                operation: 'query',
                selectionSet: {
                    kind: 'SelectionSet',
                    selections: [fieldNode]
                }
            }
        ]
    };

    const graphQuery = resolveGraphDBQuery(obj);
    return graphQuery;
}