@ovine/core
Version:
Build flexible admin system with json.
61 lines (60 loc) • 2.33 kB
JavaScript
/**
* lib-when 条件渲染器
* 用于不同条件，渲染不同组件的情况
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { Renderer } from 'amis/lib/factory';
import { evalJS } from 'amis/lib/utils/tpl';
import { isFunction } from 'lodash';
import React from 'react';
let LibWhen = class LibWhen extends React.Component {
render() {
const { render, data, condition = '', cases, defaultCase, ifTrue, ifFalse } = this.props;
let schema = null;
const getResult = (con, value, source) => {
const result = isFunction(con) ? con(value, source) : con;
if (typeof result === 'boolean') {
return result;
}
if (result && typeof result === 'string') {
return evalJS(result, source) === value;
}
return !!result;
};
// with multi cases
if (cases) {
schema = cases.find((item) => {
const { value, condition: itemCon } = item;
// get schema by case item condition
return getResult(itemCon || condition, value, data);
});
// set defaultCase
if (!schema && defaultCase) {
schema = defaultCase;
}
}
else if (ifTrue || ifFalse) {
// with bool condition
const result = getResult(condition, !!ifTrue, data);
if (result && ifTrue) {
schema = ifTrue;
}
if (!result && ifFalse) {
schema = ifFalse;
}
}
return !schema ? null : render('body', schema);
}
};
LibWhen = __decorate([
Renderer({
test: /(^|\/)lib-when$/,
name: 'lib-when',
})
], LibWhen);
export { LibWhen };