sunmao-sdk/src/component/FormRender/base/getField.js

榫卯-开箱即用赋能-sdk

import { getEnum } from "./utils";

function getWidgetName(schema, map) {
  const { type, format } = schema;
  const readOnly = schema["ui:readonly"];
  const list = [];
  if (readOnly) {
    list.push(`${type}?readOnly`);
    list.push("*?readOnly");
  }
  if (getEnum(schema)) {
    list.push(`${type}?enum`);
    // array 默认使用list，array?enum 默认使用checkboxes，*?enum 默认使用select
    list.push("*?enum");
  }
  if (format) {
    list.push(`${type}:${format}`);
  }
  list.push(type); // 放在最后兜底，其他都不match时使用type默认的组件
  const found = list.find(item => !!map[item]);
  return map[found] || "";
}

export default function getField(
  schema = {},
  { customized, generated, mapping }
) {
  const { "ui:widget": widget, "ui:field": field } = schema;
  // Field能否被重定义
  let fieldCanRedefine = false;
  let Field;
  // ui:widget 是字符串，从generated中查，不是的话，就是本身
  const _widget = typeof widget === "string" ? generated[widget] : widget;
  if (field && !Field) {
    Field = typeof field === "string" ? customized[field] : field;
  }
  if (!Field && _widget) {
    Field = _widget;
  }
  if (!Field && !_widget) {
    Field = generated[getWidgetName(schema, mapping)];
    fieldCanRedefine = !!Field;
  }
  return {
    fieldCanRedefine,
    Field: Field || null
  };
}