jjb-lc-designable/core/externals.js

基于alibaba-designable源码二次封装的表单设计器。

import { isArr } from 'jjb-lc-designable/shared';
import { untracked } from 'jjb-lc-formily/reactive';
import { DEFAULT_DRIVERS, DEFAULT_EFFECTS, DEFAULT_SHORTCUTS } from './presets';
import { Engine, TreeNode } from './models';
import { mergeLocales } from './internals';
export const isBehaviorHost = val => val?.Behavior && isBehaviorList(val.Behavior);
export const isBehaviorList = val => Array.isArray(val) && val.every(isBehavior);
export const isBehavior = val => val?.name || val?.selector || val?.extends || val?.designerProps || val?.designerLocales;
export const isResourceHost = val => val?.Resource && isResourceList(val.Resource);
export const isResourceList = val => Array.isArray(val) && val.every(isResource);
export const isResource = val => val?.node && !!val.node.isSourceNode && val.node instanceof TreeNode;
export const createLocales = (...packages) => {
  const results = {};
  packages.forEach(locales => {
    mergeLocales(results, locales);
  });
  return results;
};
export const createBehavior = (...behaviors) => {
  return behaviors.reduce((buf, behavior) => {
    if (isArr(behavior)) return buf.concat(createBehavior(...behavior));
    const {
      selector
    } = behavior || {};
    if (!selector) return buf;
    if (typeof selector === 'string') {
      behavior.selector = node => node.componentName === selector;
    }
    return buf.concat(behavior);
  }, []);
};
export const createResource = (...sources) => {
  return sources.reduce((buf, source) => {
    return buf.concat({
      ...source,
      node: new TreeNode({
        componentName: '$$ResourceNode$$',
        isSourceNode: true,
        children: source.elements || []
      })
    });
  }, []);
};
export const createDesigner = (props = {}) => {
  const drivers = props.drivers || [];
  const effects = props.effects || [];
  const shortcuts = props.shortcuts || [];
  return untracked(() => new Engine({
    ...props,
    effects: [...effects, ...DEFAULT_EFFECTS],
    drivers: [...drivers, ...DEFAULT_DRIVERS],
    shortcuts: [...shortcuts, ...DEFAULT_SHORTCUTS]
  }));
};