mobx-state-tree 文字数组

Question

是否可以在 MST 中创建文字数组类型？它应该等同于

type Interval = ['1min', '5min'];

这是一个抛出错误的代码示例

type Interval = '1min' | '5min';

export interface AppStore {
  config: {
    intervals: ['1min', '5min']
  },
  search: {
    symbol: string;
    interval: string;
    dataTypes: string[];
  }
}

const appStore = types
  .model<AppStore>('appStore', {
    config: types.model({
      intervals: types.array(
        types.literal<Interval>('1min'),
        types.literal<Interval>('5min')
      ),
    }),
    search: types.model({
      dataTypes: types.array( types.string ),
      interval: types.union(
        types.literal<Interval>('1min'),
        types.literal<Interval>('5min')
      ),
      symbol: types.string,
    }),
  })

types.array() 期望有一个参数，所以这可能吗？ MST 文档不走运 https://github.com/mobxjs/mobx-state-tree#types-overview

Answer 1

你能详细说一下吗，你是在寻找数组类型，还是元组类型？换句话说，["1min"] 或 ["1min", "5min", "1min"] 也可以吗？

如果可以接受，types.array(types.union(types.literal("1min"), types.literal("5min")) 应该可以解决问题（你接近！）。或者更简单：types.array(types.enum(["1min", "5min"])))

如果您正在寻找尚未实现的元组类型：请参阅 https://github.com/mobxjs/mobx-state-tree/issues/805

mobx-state-tree 文字数组

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