function iterateProps(obj, iterator) { Object.keys(obj).forEach((key) => iterator({ ...obj[key], name: key })); } function mapProps(obj) { return Object.keys(obj).map((key) => ({ ...obj[key], name: key })); } function filterProps(obj, filter) { const ret = {}; Object.keys(obj).forEach((key) => { if (filter(obj[key])) { ret[key] = obj[key]; } }); return ret; } function typeSignature(meta) { const type = meta.array ? `Array<${meta.type}>` : meta.type; if (meta.optional) { return `${meta.name}?: ${type}`; } else if (meta.maybe) { return `${meta.name}: ?${type}`; } else { return `${meta.name}: ${type}`; } } const unique = (items) => Array.from(new Set(items)); module.exports = { iterateProps, mapProps, filterProps, typeSignature, unique, };