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schema.ts
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import { ActivityType, IPublicTypeNodeSchema, IPublicTypeRootSchema } from '@alilc/lowcode-types';
import { isJSBlock, isJSSlot } from './check-types';
import { isVariable } from './misc';
import { isPlainObject } from './is-plain-object';
function isJsObject(props: any) {
if (typeof props === 'object' && props !== null) {
return props.type && props.source && props.compiled;
}
}
function isActionRef(props: any): boolean {
return props.type && props.type === 'actionRef';
}
/**
* 将「乐高版本」协议升级成 JSExpression / JSSlot 等标准协议的结构
* @param props
* @returns
*/
export function compatibleLegaoSchema(props: any): any {
if (!props) {
return props;
}
if (Array.isArray(props)) {
return props.map(k => compatibleLegaoSchema(k));
}
if (!isPlainObject(props)) {
return props;
}
if (isJSBlock(props)) {
if (props.value.componentName === 'Slot') {
return {
type: 'JSSlot',
title: (props.value.props as any)?.slotTitle,
name: (props.value.props as any)?.slotName,
value: compatibleLegaoSchema(props.value.children),
params: (props.value.props as any)?.slotParams,
};
} else {
return props.value;
}
}
if (isVariable(props)) {
return {
type: 'JSExpression',
value: props.variable,
mock: props.value,
};
}
if (isJsObject(props)) {
return {
type: 'JSExpression',
value: props.compiled,
extType: 'function',
};
}
if (isActionRef(props)) {
return {
type: 'JSExpression',
value: `${props.id}.bind(this)`,
};
}
const newProps: any = {};
Object.keys(props).forEach((key) => {
if (/^__slot__/.test(key) && props[key] === true) {
return;
}
// TODO: 先移除，目前没有业务使用
// if (key === 'dataSource') {
// newProps[key] = props[key];
// return;
// }
newProps[key] = compatibleLegaoSchema(props[key]);
});
return newProps;
}
export function getNodeSchemaById(schema: IPublicTypeNodeSchema, nodeId: string): IPublicTypeNodeSchema | undefined {
let found: IPublicTypeNodeSchema | undefined;
if (schema.id === nodeId) {
return schema;
}
const { children, props } = schema;
// 查找 children
if (Array.isArray(children)) {
for (const child of children) {
found = getNodeSchemaById(child as IPublicTypeNodeSchema, nodeId);
if (found) return found;
}
}
if (isPlainObject(props)) {
// 查找 props，主要是 slot 类型
found = getNodeSchemaFromPropsById(props, nodeId);
if (found) return found;
}
}
function getNodeSchemaFromPropsById(props: any, nodeId: string): IPublicTypeNodeSchema | undefined {
let found: IPublicTypeNodeSchema | undefined;
for (const [_key, value] of Object.entries(props)) {
if (isJSSlot(value)) {
// value 是数组类型 { type: 'JSSlot', value: IPublicTypeNodeSchema[] }
if (Array.isArray(value.value)) {
for (const child of value.value) {
found = getNodeSchemaById(child as IPublicTypeNodeSchema, nodeId);
if (found) return found;
}
}
// value 是对象类型 { type: 'JSSlot', value: IPublicTypeNodeSchema }
found = getNodeSchemaById(value.value as IPublicTypeNodeSchema, nodeId);
if (found) return found;
} else if (isPlainObject(value)) {
found = getNodeSchemaFromPropsById(value, nodeId);
if (found) return found;
}
}
}
/**
* TODO: not sure if this is used anywhere
* @deprecated
*/
export function applyActivities(pivotSchema: IPublicTypeRootSchema, activities: any): IPublicTypeRootSchema {
let schema = { ...pivotSchema };
if (!Array.isArray(activities)) {
activities = [activities];
}
return activities.reduce((accSchema: IPublicTypeRootSchema, activity: any) => {
if (activity.type === ActivityType.MODIFIED) {
const found = getNodeSchemaById(accSchema, activity.payload.schema.id);
if (!found) return accSchema;
Object.assign(found, activity.payload.schema);
} else if (activity.type === ActivityType.ADDED) {
const { payload } = activity;
const { location, schema } = payload;
const { parent } = location;
const found = getNodeSchemaById(accSchema, parent.nodeId);
if (found) {
if (Array.isArray(found.children)) {
found.children.splice(parent.index, 0, schema);
} else if (!found.children) {
found.children = [schema];
}
// TODO: 是 JSExpression / DOMText
}
} else if (activity.type === ActivityType.DELETED) {
const { payload } = activity;
const { location } = payload;
const { parent } = location;
const found = getNodeSchemaById(accSchema, parent.nodeId);
if (found && Array.isArray(found.children)) {
found.children.splice(parent.index, 1);
}
}
return accSchema;
}, schema);
}