GSoC 2018 - code snippets

hack.js

function createStringFormat(FieldFormat) {
    return class StringFormat extends FieldFormat {
        _convert(val) {
            return String(val);
        }

        static id = 'string';
        static title = 'String';
        static fieldType = [
            'number',
            'boolean',
             ...
        ]
    }
}

fieldFormats.register(createStringFormat);
fieldFormats._defaultMap = {
    _default_: { id: 'string', params: {} }
};