#导入

{
  "数字1": 123,
  "百分比": 0.25,
  "数字2": null,
  "数字3": null,
}

{
  "字段1": false,
  "字段2": true,
  "字段3": true,
  "字段4": true,
  "字段5": false,
}

{
  "DateOnly": "2023-01-18T00:00:00.000Z",
  "Local(+08:00)": "2023-01-18T14:22:22.000Z",
  "GMT": "2023-01-18T22:22:22.000Z",
}

[{ 优先级: 'high' }, { 优先级: 'low' }];

{
  "地区1": ["11","1101"],
  "地区2": ["12","1201"]
}

{
  "附件": [
    {
      "filename": "logo.png",
      "title": "logo.png",
      "extname": ".png",
      "url": "https://www.nocobase.com/images/logo.png"
    }
  ]
}

{
  "部门": [1], // 1 为部门名称为「开发组」的记录 ID
  "分类": [1,2], // 1,2 为分类标题为「分类1」和「分类2」的记录 ID
}

{
  "JSON": {"key":"value"}
}

{
  "Point": [1,2],
  "Line": [[1,2], [3,4]],
  "Polygon": [[1,2], [3,4], [1,2]],
  "Circle": [1,2,3]
}

import { BaseValueParser } from '@nocobase/database';

class PointValueParser extends BaseValueParser {
  async setValue(value) {
    if (Array.isArray(value)) {
      this.value = value;
    } else if (typeof value === 'string') {
      this.value = value.split(',');
    } else {
      this.errors.push('Value invalid');
    }
  }
}

const db = new Database();

// type=point 的字段导入时，将通过 PointValueParser 解析数据
db.registerFieldValueParsers({
  point: PointValueParser,
});

{
  "Point": [1,2]
}