Model

model.ts

export class Model {
  constructor(obj: any) {
    for (let key in obj) {
      this.unmarshal(toCamelCase(key), obj[key])
    }
  }

  marshal(): any {
    return Object.keys(this).reduce((obj: any, key: string) => {
      obj[toSnakeCase(key)] = toJS(this[key])
      return obj
    }, {})
  }

  unmarshal(filed: string, value: any) {
    throw new Error('unmarshal is not implemented')
  }
}

util.ts

export const toSnakeCase = (str: string) => {
  if (!str) return ''

  return str
    .replace(/^[^A-Za-z0-9]*|[^A-Za-z0-9]*$/g, '')
    .replace(/([a-z])([A-Z])/g, (m, a, b) => a + '_' + b.toLowerCase())
    .replace(/[^A-Za-z0-9]+|_+/g, '_')
    .toLowerCase()
}

export const toCamelCase = (s: string) => {
  return s
    .replace(/_/g, ' ')
    .replace(/\s(.)/g, (v) => v.toUpperCase())
    .replace(/\s/g, '')
    .replace(/^(.)/, (v) => v.toLowerCase())
}